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  • What Is Critical Thinking? | Definition & Examples

What Is Critical Thinking? | Definition & Examples

Published on May 30, 2022 by Eoghan Ryan . Revised on May 31, 2023.

Critical thinking is the ability to effectively analyze information and form a judgment .

To think critically, you must be aware of your own biases and assumptions when encountering information, and apply consistent standards when evaluating sources .

Critical thinking skills help you to:

  • Identify credible sources
  • Evaluate and respond to arguments
  • Assess alternative viewpoints
  • Test hypotheses against relevant criteria

Table of contents

Why is critical thinking important, critical thinking examples, how to think critically, other interesting articles, frequently asked questions about critical thinking.

Critical thinking is important for making judgments about sources of information and forming your own arguments. It emphasizes a rational, objective, and self-aware approach that can help you to identify credible sources and strengthen your conclusions.

Critical thinking is important in all disciplines and throughout all stages of the research process . The types of evidence used in the sciences and in the humanities may differ, but critical thinking skills are relevant to both.

In academic writing , critical thinking can help you to determine whether a source:

  • Is free from research bias
  • Provides evidence to support its research findings
  • Considers alternative viewpoints

Outside of academia, critical thinking goes hand in hand with information literacy to help you form opinions rationally and engage independently and critically with popular media.

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Critical thinking can help you to identify reliable sources of information that you can cite in your research paper . It can also guide your own research methods and inform your own arguments.

Outside of academia, critical thinking can help you to be aware of both your own and others’ biases and assumptions.

Academic examples

However, when you compare the findings of the study with other current research, you determine that the results seem improbable. You analyze the paper again, consulting the sources it cites.

You notice that the research was funded by the pharmaceutical company that created the treatment. Because of this, you view its results skeptically and determine that more independent research is necessary to confirm or refute them. Example: Poor critical thinking in an academic context You’re researching a paper on the impact wireless technology has had on developing countries that previously did not have large-scale communications infrastructure. You read an article that seems to confirm your hypothesis: the impact is mainly positive. Rather than evaluating the research methodology, you accept the findings uncritically.

Nonacademic examples

However, you decide to compare this review article with consumer reviews on a different site. You find that these reviews are not as positive. Some customers have had problems installing the alarm, and some have noted that it activates for no apparent reason.

You revisit the original review article. You notice that the words “sponsored content” appear in small print under the article title. Based on this, you conclude that the review is advertising and is therefore not an unbiased source. Example: Poor critical thinking in a nonacademic context You support a candidate in an upcoming election. You visit an online news site affiliated with their political party and read an article that criticizes their opponent. The article claims that the opponent is inexperienced in politics. You accept this without evidence, because it fits your preconceptions about the opponent.

There is no single way to think critically. How you engage with information will depend on the type of source you’re using and the information you need.

However, you can engage with sources in a systematic and critical way by asking certain questions when you encounter information. Like the CRAAP test , these questions focus on the currency , relevance , authority , accuracy , and purpose of a source of information.

When encountering information, ask:

  • Who is the author? Are they an expert in their field?
  • What do they say? Is their argument clear? Can you summarize it?
  • When did they say this? Is the source current?
  • Where is the information published? Is it an academic article? Is it peer-reviewed ?
  • Why did the author publish it? What is their motivation?
  • How do they make their argument? Is it backed up by evidence? Does it rely on opinion, speculation, or appeals to emotion ? Do they address alternative arguments?

Critical thinking also involves being aware of your own biases, not only those of others. When you make an argument or draw your own conclusions, you can ask similar questions about your own writing:

  • Am I only considering evidence that supports my preconceptions?
  • Is my argument expressed clearly and backed up with credible sources?
  • Would I be convinced by this argument coming from someone else?

If you want to know more about ChatGPT, AI tools , citation , and plagiarism , make sure to check out some of our other articles with explanations and examples.

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  • Self-plagiarism
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  • Academic integrity
  • Consequences of plagiarism
  • Common knowledge

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what do critical thinking mean to you

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Critical thinking refers to the ability to evaluate information and to be aware of biases or assumptions, including your own.

Like information literacy , it involves evaluating arguments, identifying and solving problems in an objective and systematic way, and clearly communicating your ideas.

Critical thinking skills include the ability to:

You can assess information and arguments critically by asking certain questions about the source. You can use the CRAAP test , focusing on the currency , relevance , authority , accuracy , and purpose of a source of information.

Ask questions such as:

  • Who is the author? Are they an expert?
  • How do they make their argument? Is it backed up by evidence?

A credible source should pass the CRAAP test  and follow these guidelines:

  • The information should be up to date and current.
  • The author and publication should be a trusted authority on the subject you are researching.
  • The sources the author cited should be easy to find, clear, and unbiased.
  • For a web source, the URL and layout should signify that it is trustworthy.

Information literacy refers to a broad range of skills, including the ability to find, evaluate, and use sources of information effectively.

Being information literate means that you:

  • Know how to find credible sources
  • Use relevant sources to inform your research
  • Understand what constitutes plagiarism
  • Know how to cite your sources correctly

Confirmation bias is the tendency to search, interpret, and recall information in a way that aligns with our pre-existing values, opinions, or beliefs. It refers to the ability to recollect information best when it amplifies what we already believe. Relatedly, we tend to forget information that contradicts our opinions.

Although selective recall is a component of confirmation bias, it should not be confused with recall bias.

On the other hand, recall bias refers to the differences in the ability between study participants to recall past events when self-reporting is used. This difference in accuracy or completeness of recollection is not related to beliefs or opinions. Rather, recall bias relates to other factors, such as the length of the recall period, age, and the characteristics of the disease under investigation.

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Critical Thinking Definition, Skills, and Examples

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Critical thinking refers to the ability to analyze information objectively and make a reasoned judgment. It involves the evaluation of sources, such as data, facts, observable phenomena, and research findings.

Good critical thinkers can draw reasonable conclusions from a set of information, and discriminate between useful and less useful details to solve problems or make decisions. Employers prioritize the ability to think critically—find out why, plus see how you can demonstrate that you have this ability throughout the job application process. 

Why Do Employers Value Critical Thinking Skills?

Employers want job candidates who can evaluate a situation using logical thought and offer the best solution.

 Someone with critical thinking skills can be trusted to make decisions independently, and will not need constant handholding.

Hiring a critical thinker means that micromanaging won't be required. Critical thinking abilities are among the most sought-after skills in almost every industry and workplace. You can demonstrate critical thinking by using related keywords in your resume and cover letter, and during your interview.

Examples of Critical Thinking

The circumstances that demand critical thinking vary from industry to industry. Some examples include:

  • A triage nurse analyzes the cases at hand and decides the order by which the patients should be treated.
  • A plumber evaluates the materials that would best suit a particular job.
  • An attorney reviews evidence and devises a strategy to win a case or to decide whether to settle out of court.
  • A manager analyzes customer feedback forms and uses this information to develop a customer service training session for employees.

Promote Your Skills in Your Job Search

If critical thinking is a key phrase in the job listings you are applying for, be sure to emphasize your critical thinking skills throughout your job search.

Add Keywords to Your Resume

You can use critical thinking keywords (analytical, problem solving, creativity, etc.) in your resume. When describing your  work history , include top critical thinking skills that accurately describe you. You can also include them in your  resume summary , if you have one.

For example, your summary might read, “Marketing Associate with five years of experience in project management. Skilled in conducting thorough market research and competitor analysis to assess market trends and client needs, and to develop appropriate acquisition tactics.”

Mention Skills in Your Cover Letter

Include these critical thinking skills in your cover letter. In the body of your letter, mention one or two of these skills, and give specific examples of times when you have demonstrated them at work. Think about times when you had to analyze or evaluate materials to solve a problem.

Show the Interviewer Your Skills

You can use these skill words in an interview. Discuss a time when you were faced with a particular problem or challenge at work and explain how you applied critical thinking to solve it.

Some interviewers will give you a hypothetical scenario or problem, and ask you to use critical thinking skills to solve it. In this case, explain your thought process thoroughly to the interviewer. He or she is typically more focused on how you arrive at your solution rather than the solution itself. The interviewer wants to see you analyze and evaluate (key parts of critical thinking) the given scenario or problem.

Of course, each job will require different skills and experiences, so make sure you read the job description carefully and focus on the skills listed by the employer.

Top Critical Thinking Skills

Keep these in-demand critical thinking skills in mind as you update your resume and write your cover letter. As you've seen, you can also emphasize them at other points throughout the application process, such as your interview. 

Part of critical thinking is the ability to carefully examine something, whether it is a problem, a set of data, or a text. People with  analytical skills  can examine information, understand what it means, and properly explain to others the implications of that information.

  • Asking Thoughtful Questions
  • Data Analysis
  • Interpretation
  • Questioning Evidence
  • Recognizing Patterns

Communication

Often, you will need to share your conclusions with your employers or with a group of colleagues. You need to be able to  communicate with others  to share your ideas effectively. You might also need to engage in critical thinking in a group. In this case, you will need to work with others and communicate effectively to figure out solutions to complex problems.

  • Active Listening
  • Collaboration
  • Explanation
  • Interpersonal
  • Presentation
  • Verbal Communication
  • Written Communication

Critical thinking often involves creativity and innovation. You might need to spot patterns in the information you are looking at or come up with a solution that no one else has thought of before. All of this involves a creative eye that can take a different approach from all other approaches.

  • Flexibility
  • Conceptualization
  • Imagination
  • Drawing Connections
  • Synthesizing

Open-Mindedness

To think critically, you need to be able to put aside any assumptions or judgments and merely analyze the information you receive. You need to be objective, evaluating ideas without bias.

  • Objectivity
  • Observation

Problem Solving

Problem-solving is another critical thinking skill that involves analyzing a problem, generating and implementing a solution, and assessing the success of the plan. Employers don’t simply want employees who can think about information critically. They also need to be able to come up with practical solutions.

  • Attention to Detail
  • Clarification
  • Decision Making
  • Groundedness
  • Identifying Patterns

More Critical Thinking Skills

  • Inductive Reasoning
  • Deductive Reasoning
  • Noticing Outliers
  • Adaptability
  • Emotional Intelligence
  • Brainstorming
  • Optimization
  • Restructuring
  • Integration
  • Strategic Planning
  • Project Management
  • Ongoing Improvement
  • Causal Relationships
  • Case Analysis
  • Diagnostics
  • SWOT Analysis
  • Business Intelligence
  • Quantitative Data Management
  • Qualitative Data Management
  • Risk Management
  • Scientific Method
  • Consumer Behavior

Key Takeaways

  • Demonstrate that you have critical thinking skills by adding relevant keywords to your resume.
  • Mention pertinent critical thinking skills in your cover letter, too, and include an example of a time when you demonstrated them at work.
  • Finally, highlight critical thinking skills during your interview. For instance, you might discuss a time when you were faced with a challenge at work and explain how you applied critical thinking skills to solve it.

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What is Critical Thinking?

Critical thinking is the ability to think clearly and rationally, understanding the logical connection between ideas.  Critical thinking has been the subject of much debate and thought since the time of early Greek philosophers such as Plato and Socrates and has continued to be a subject of discussion into the modern age, for example the ability to recognise fake news .

Critical thinking might be described as the ability to engage in reflective and independent thinking.

In essence, critical thinking requires you to use your ability to reason. It is about being an active learner rather than a passive recipient of information.

Critical thinkers rigorously question ideas and assumptions rather than accepting them at face value. They will always seek to determine whether the ideas, arguments and findings represent the entire picture and are open to finding that they do not.

Critical thinkers will identify, analyse and solve problems systematically rather than by intuition or instinct.

Someone with critical thinking skills can:

Understand the links between ideas.

Determine the importance and relevance of arguments and ideas.

Recognise, build and appraise arguments.

Identify inconsistencies and errors in reasoning.

Approach problems in a consistent and systematic way.

Reflect on the justification of their own assumptions, beliefs and values.

Critical thinking is thinking about things in certain ways so as to arrive at the best possible solution in the circumstances that the thinker is aware of. In more everyday language, it is a way of thinking about whatever is presently occupying your mind so that you come to the best possible conclusion.

Critical Thinking is:

A way of thinking about particular things at a particular time; it is not the accumulation of facts and knowledge or something that you can learn once and then use in that form forever, such as the nine times table you learn and use in school.

The Skills We Need for Critical Thinking

The skills that we need in order to be able to think critically are varied and include observation, analysis, interpretation, reflection, evaluation, inference, explanation, problem solving, and decision making.

Specifically we need to be able to:

Think about a topic or issue in an objective and critical way.

Identify the different arguments there are in relation to a particular issue.

Evaluate a point of view to determine how strong or valid it is.

Recognise any weaknesses or negative points that there are in the evidence or argument.

Notice what implications there might be behind a statement or argument.

Provide structured reasoning and support for an argument that we wish to make.

The Critical Thinking Process

You should be aware that none of us think critically all the time.

Sometimes we think in almost any way but critically, for example when our self-control is affected by anger, grief or joy or when we are feeling just plain ‘bloody minded’.

On the other hand, the good news is that, since our critical thinking ability varies according to our current mindset, most of the time we can learn to improve our critical thinking ability by developing certain routine activities and applying them to all problems that present themselves.

Once you understand the theory of critical thinking, improving your critical thinking skills takes persistence and practice.

Try this simple exercise to help you to start thinking critically.

Think of something that someone has recently told you. Then ask yourself the following questions:

Who said it?

Someone you know? Someone in a position of authority or power? Does it matter who told you this?

What did they say?

Did they give facts or opinions? Did they provide all the facts? Did they leave anything out?

Where did they say it?

Was it in public or in private? Did other people have a chance to respond an provide an alternative account?

When did they say it?

Was it before, during or after an important event? Is timing important?

Why did they say it?

Did they explain the reasoning behind their opinion? Were they trying to make someone look good or bad?

How did they say it?

Were they happy or sad, angry or indifferent? Did they write it or say it? Could you understand what was said?

What are you Aiming to Achieve?

One of the most important aspects of critical thinking is to decide what you are aiming to achieve and then make a decision based on a range of possibilities.

Once you have clarified that aim for yourself you should use it as the starting point in all future situations requiring thought and, possibly, further decision making. Where needed, make your workmates, family or those around you aware of your intention to pursue this goal. You must then discipline yourself to keep on track until changing circumstances mean you have to revisit the start of the decision making process.

However, there are things that get in the way of simple decision making. We all carry with us a range of likes and dislikes, learnt behaviours and personal preferences developed throughout our lives; they are the hallmarks of being human. A major contribution to ensuring we think critically is to be aware of these personal characteristics, preferences and biases and make allowance for them when considering possible next steps, whether they are at the pre-action consideration stage or as part of a rethink caused by unexpected or unforeseen impediments to continued progress.

The more clearly we are aware of ourselves, our strengths and weaknesses, the more likely our critical thinking will be productive.

The Benefit of Foresight

Perhaps the most important element of thinking critically is foresight.

Almost all decisions we make and implement don’t prove disastrous if we find reasons to abandon them. However, our decision making will be infinitely better and more likely to lead to success if, when we reach a tentative conclusion, we pause and consider the impact on the people and activities around us.

The elements needing consideration are generally numerous and varied. In many cases, consideration of one element from a different perspective will reveal potential dangers in pursuing our decision.

For instance, moving a business activity to a new location may improve potential output considerably but it may also lead to the loss of skilled workers if the distance moved is too great. Which of these is the more important consideration? Is there some way of lessening the conflict?

These are the sort of problems that may arise from incomplete critical thinking, a demonstration perhaps of the critical importance of good critical thinking.

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In Summary:

Critical thinking is aimed at achieving the best possible outcomes in any situation. In order to achieve this it must involve gathering and evaluating information from as many different sources possible.

Critical thinking requires a clear, often uncomfortable, assessment of your personal strengths, weaknesses and preferences and their possible impact on decisions you may make.

Critical thinking requires the development and use of foresight as far as this is possible. As Doris Day sang, “the future’s not ours to see”.

Implementing the decisions made arising from critical thinking must take into account an assessment of possible outcomes and ways of avoiding potentially negative outcomes, or at least lessening their impact.

  • Critical thinking involves reviewing the results of the application of decisions made and implementing change where possible.

It might be thought that we are overextending our demands on critical thinking in expecting that it can help to construct focused meaning rather than examining the information given and the knowledge we have acquired to see if we can, if necessary, construct a meaning that will be acceptable and useful.

After all, almost no information we have available to us, either externally or internally, carries any guarantee of its life or appropriateness.  Neat step-by-step instructions may provide some sort of trellis on which our basic understanding of critical thinking can blossom but it doesn’t and cannot provide any assurance of certainty, utility or longevity.

Continue to: Critical Thinking and Fake News Critical Reading

See also: Analytical Skills Understanding and Addressing Conspiracy Theories Introduction to Neuro-Linguistic Programming (NLP)

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Critical Thinking and Decision-Making  - What is Critical Thinking?

Critical thinking and decision-making  -, what is critical thinking, critical thinking and decision-making what is critical thinking.

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Critical Thinking and Decision-Making: What is Critical Thinking?

Lesson 1: what is critical thinking, what is critical thinking.

Critical thinking is a term that gets thrown around a lot. You've probably heard it used often throughout the years whether it was in school, at work, or in everyday conversation. But when you stop to think about it, what exactly is critical thinking and how do you do it ?

Watch the video below to learn more about critical thinking.

Simply put, critical thinking is the act of deliberately analyzing information so that you can make better judgements and decisions . It involves using things like logic, reasoning, and creativity, to draw conclusions and generally understand things better.

illustration of the terms logic, reasoning, and creativity

This may sound like a pretty broad definition, and that's because critical thinking is a broad skill that can be applied to so many different situations. You can use it to prepare for a job interview, manage your time better, make decisions about purchasing things, and so much more.

The process

illustration of "thoughts" inside a human brain, with several being connected and "analyzed"

As humans, we are constantly thinking . It's something we can't turn off. But not all of it is critical thinking. No one thinks critically 100% of the time... that would be pretty exhausting! Instead, it's an intentional process , something that we consciously use when we're presented with difficult problems or important decisions.

Improving your critical thinking

illustration of the questions "What do I currently know?" and "How do I know this?"

In order to become a better critical thinker, it's important to ask questions when you're presented with a problem or decision, before jumping to any conclusions. You can start with simple ones like What do I currently know? and How do I know this? These can help to give you a better idea of what you're working with and, in some cases, simplify more complex issues.  

Real-world applications

illustration of a hand holding a smartphone displaying an article that reads, "Study: Cats are better than dogs"

Let's take a look at how we can use critical thinking to evaluate online information . Say a friend of yours posts a news article on social media and you're drawn to its headline. If you were to use your everyday automatic thinking, you might accept it as fact and move on. But if you were thinking critically, you would first analyze the available information and ask some questions :

  • What's the source of this article?
  • Is the headline potentially misleading?
  • What are my friend's general beliefs?
  • Do their beliefs inform why they might have shared this?

illustration of "Super Cat Blog" and "According to survery of cat owners" being highlighted from an article on a smartphone

After analyzing all of this information, you can draw a conclusion about whether or not you think the article is trustworthy.

Critical thinking has a wide range of real-world applications . It can help you to make better decisions, become more hireable, and generally better understand the world around you.

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Why Is Critical Thinking Important? A Survival Guide

Why-Is-Critical-Thinking-Important-a-Survival-Guide

Why is critical thinking important? The decisions that you make affect your quality of life. And if you want to ensure that you live your best, most successful and happy life, you’re going to want to make conscious choices. That can be done with a simple thing known as critical thinking. Here’s how to improve your critical thinking skills and make decisions that you won’t regret.

What Is Critical Thinking?

You’ve surely heard of critical thinking, but you might not be entirely sure what it really means, and that’s because there are many definitions. For the most part, however, we think of critical thinking as the process of analyzing facts in order to form a judgment. Basically, it’s thinking about thinking.

How Has The Definition Evolved Over Time?

The first time critical thinking was documented is believed to be in the teachings of Socrates , recorded by Plato. But throughout history, the definition has changed.

Today it is best understood by philosophers and psychologists and it’s believed to be a highly complex concept. Some insightful modern-day critical thinking definitions include :

  • “Reasonable, reflective thinking that is focused on deciding what to believe or do.”
  • “Deciding what’s true and what you should do.”

The Importance Of Critical Thinking

Why is critical thinking important? Good question! Here are a few undeniable reasons why it’s crucial to have these skills.

1. Critical Thinking Is Universal

Critical thinking is a domain-general thinking skill. What does this mean? It means that no matter what path or profession you pursue, these skills will always be relevant and will always be beneficial to your success. They are not specific to any field.

2. Crucial For The Economy

Our future depends on technology, information, and innovation. Critical thinking is needed for our fast-growing economies, to solve problems as quickly and as effectively as possible.

3. Improves Language & Presentation Skills

In order to best express ourselves, we need to know how to think clearly and systematically — meaning practice critical thinking! Critical thinking also means knowing how to break down texts, and in turn, improve our ability to comprehend.

4. Promotes Creativity

By practicing critical thinking, we are allowing ourselves not only to solve problems but also to come up with new and creative ideas to do so. Critical thinking allows us to analyze these ideas and adjust them accordingly.

5. Important For Self-Reflection

Without critical thinking, how can we really live a meaningful life? We need this skill to self-reflect and justify our ways of life and opinions. Critical thinking provides us with the tools to evaluate ourselves in the way that we need to.

Woman deep into thought as she looks out the window, using her critical thinking skills to do some self-reflection.

6. The Basis Of Science & Democracy

In order to have a democracy and to prove scientific facts, we need critical thinking in the world. Theories must be backed up with knowledge. In order for a society to effectively function, its citizens need to establish opinions about what’s right and wrong (by using critical thinking!).

Benefits Of Critical Thinking

We know that critical thinking is good for society as a whole, but what are some benefits of critical thinking on an individual level? Why is critical thinking important for us?

1. Key For Career Success

Critical thinking is crucial for many career paths. Not just for scientists, but lawyers , doctors, reporters, engineers , accountants, and analysts (among many others) all have to use critical thinking in their positions. In fact, according to the World Economic Forum, critical thinking is one of the most desirable skills to have in the workforce, as it helps analyze information, think outside the box, solve problems with innovative solutions, and plan systematically.

2. Better Decision Making

There’s no doubt about it — critical thinkers make the best choices. Critical thinking helps us deal with everyday problems as they come our way, and very often this thought process is even done subconsciously. It helps us think independently and trust our gut feeling.

3. Can Make You Happier!

While this often goes unnoticed, being in touch with yourself and having a deep understanding of why you think the way you think can really make you happier. Critical thinking can help you better understand yourself, and in turn, help you avoid any kind of negative or limiting beliefs, and focus more on your strengths. Being able to share your thoughts can increase your quality of life.

4. Form Well-Informed Opinions

There is no shortage of information coming at us from all angles. And that’s exactly why we need to use our critical thinking skills and decide for ourselves what to believe. Critical thinking allows us to ensure that our opinions are based on the facts, and help us sort through all that extra noise.

5. Better Citizens

One of the most inspiring critical thinking quotes is by former US president Thomas Jefferson: “An educated citizenry is a vital requisite for our survival as a free people.” What Jefferson is stressing to us here is that critical thinkers make better citizens, as they are able to see the entire picture without getting sucked into biases and propaganda.

6. Improves Relationships

While you may be convinced that being a critical thinker is bound to cause you problems in relationships, this really couldn’t be less true! Being a critical thinker can allow you to better understand the perspective of others, and can help you become more open-minded towards different views.

7. Promotes Curiosity

Critical thinkers are constantly curious about all kinds of things in life, and tend to have a wide range of interests. Critical thinking means constantly asking questions and wanting to know more, about why, what, who, where, when, and everything else that can help them make sense of a situation or concept, never taking anything at face value.

8. Allows For Creativity

Critical thinkers are also highly creative thinkers, and see themselves as limitless when it comes to possibilities. They are constantly looking to take things further, which is crucial in the workforce.

9. Enhances Problem Solving Skills

Those with critical thinking skills tend to solve problems as part of their natural instinct. Critical thinkers are patient and committed to solving the problem, similar to Albert Einstein, one of the best critical thinking examples, who said “It’s not that I’m so smart; it’s just that I stay with problems longer.” Critical thinkers’ enhanced problem-solving skills makes them better at their jobs and better at solving the world’s biggest problems. Like Einstein, they have the potential to literally change the world.

10. An Activity For The Mind

Just like our muscles, in order for them to be strong, our mind also needs to be exercised and challenged. It’s safe to say that critical thinking is almost like an activity for the mind — and it needs to be practiced. Critical thinking encourages the development of many crucial skills such as logical thinking, decision making, and open-mindness.

11. Creates Independence

When we think critically, we think on our own as we trust ourselves more. Critical thinking is key to creating independence, and encouraging students to make their own decisions and form their own opinions.

12. Crucial Life Skill

Critical thinking is crucial not just for learning, but for life overall! Education isn’t just a way to prepare ourselves for life, but it’s pretty much life itself. Learning is a lifelong process that we go through each and every day.

How to Think Critically

Now that you know the benefits of thinking critically, how do you actually do it?

How To Improve Your Critical Thinking

  • Define Your Question: When it comes to critical thinking, it’s important to always keep your goal in mind. Know what you’re trying to achieve, and then figure out how to best get there.
  • Gather Reliable Information: Make sure that you’re using sources you can trust — biases aside. That’s how a real critical thinker operates!
  • Ask The Right Questions: We all know the importance of questions, but be sure that you’re asking the right questions that are going to get you to your answer.
  • Look Short & Long Term: When coming up with solutions, think about both the short- and long-term consequences. Both of them are significant in the equation.
  • Explore All Sides: There is never just one simple answer, and nothing is black or white. Explore all options and think outside of the box before you come to any conclusions.

How Is Critical Thinking Developed At School?

Critical thinking is developed in nearly everything we do. However, much of this important skill is encouraged to be practiced at school, and rightfully so! Critical thinking goes beyond just thinking clearly — it’s also about thinking for yourself.

When a teacher asks a question in class, students are given the chance to answer for themselves and think critically about what they learned and what they believe to be accurate. When students work in groups and are forced to engage in discussion, this is also a great chance to expand their thinking and use their critical thinking skills.

How Does Critical Thinking Apply To Your Career?

Once you’ve finished school and entered the workforce, your critical thinking journey only expands and grows from here!

Impress Your Employer

Employers value employees who are critical thinkers, ask questions, offer creative ideas, and are always ready to offer innovation against the competition. No matter what your position or role in a company may be, critical thinking will always give you the power to stand out and make a difference.

Careers That Require Critical Thinking

Some of many examples of careers that require critical thinking include:

  • Human resources specialist
  • Marketing associate
  • Business analyst

Truth be told however, it’s probably harder to come up with a professional field that doesn’t require any critical thinking!

Photo by  Oladimeji Ajegbile  from  Pexels

What is someone with critical thinking skills capable of doing.

Someone with critical thinking skills is able to think rationally and clearly about what they should or not believe. They are capable of engaging in their own thoughts, and doing some reflection in order to come to a well-informed conclusion.

A critical thinker understands the connections between ideas, and is able to construct arguments based on facts, as well as find mistakes in reasoning.

The Process Of Critical Thinking

The process of critical thinking is highly systematic.

What Are Your Goals?

Critical thinking starts by defining your goals, and knowing what you are ultimately trying to achieve.

Once you know what you are trying to conclude, you can foresee your solution to the problem and play it out in your head from all perspectives.

What Does The Future Of Critical Thinking Hold?

The future of critical thinking is the equivalent of the future of jobs. In 2020, critical thinking was ranked as the 2nd top skill (following complex problem solving) by the World Economic Forum .

We are dealing with constant unprecedented changes, and what success is today, might not be considered success tomorrow — making critical thinking a key skill for the future workforce.

Why Is Critical Thinking So Important?

Why is critical thinking important? Critical thinking is more than just important! It’s one of the most crucial cognitive skills one can develop.

By practicing well-thought-out thinking, both your thoughts and decisions can make a positive change in your life, on both a professional and personal level. You can hugely improve your life by working on your critical thinking skills as often as you can.

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Critical Thinking

Critical thinking is a widely accepted educational goal. Its definition is contested, but the competing definitions can be understood as differing conceptions of the same basic concept: careful thinking directed to a goal. Conceptions differ with respect to the scope of such thinking, the type of goal, the criteria and norms for thinking carefully, and the thinking components on which they focus. Its adoption as an educational goal has been recommended on the basis of respect for students’ autonomy and preparing students for success in life and for democratic citizenship. “Critical thinkers” have the dispositions and abilities that lead them to think critically when appropriate. The abilities can be identified directly; the dispositions indirectly, by considering what factors contribute to or impede exercise of the abilities. Standardized tests have been developed to assess the degree to which a person possesses such dispositions and abilities. Educational intervention has been shown experimentally to improve them, particularly when it includes dialogue, anchored instruction, and mentoring. Controversies have arisen over the generalizability of critical thinking across domains, over alleged bias in critical thinking theories and instruction, and over the relationship of critical thinking to other types of thinking.

2.1 Dewey’s Three Main Examples

2.2 dewey’s other examples, 2.3 further examples, 2.4 non-examples, 3. the definition of critical thinking, 4. its value, 5. the process of thinking critically, 6. components of the process, 7. contributory dispositions and abilities, 8.1 initiating dispositions, 8.2 internal dispositions, 9. critical thinking abilities, 10. required knowledge, 11. educational methods, 12.1 the generalizability of critical thinking, 12.2 bias in critical thinking theory and pedagogy, 12.3 relationship of critical thinking to other types of thinking, other internet resources, related entries.

Use of the term ‘critical thinking’ to describe an educational goal goes back to the American philosopher John Dewey (1910), who more commonly called it ‘reflective thinking’. He defined it as

active, persistent and careful consideration of any belief or supposed form of knowledge in the light of the grounds that support it, and the further conclusions to which it tends. (Dewey 1910: 6; 1933: 9)

and identified a habit of such consideration with a scientific attitude of mind. His lengthy quotations of Francis Bacon, John Locke, and John Stuart Mill indicate that he was not the first person to propose development of a scientific attitude of mind as an educational goal.

In the 1930s, many of the schools that participated in the Eight-Year Study of the Progressive Education Association (Aikin 1942) adopted critical thinking as an educational goal, for whose achievement the study’s Evaluation Staff developed tests (Smith, Tyler, & Evaluation Staff 1942). Glaser (1941) showed experimentally that it was possible to improve the critical thinking of high school students. Bloom’s influential taxonomy of cognitive educational objectives (Bloom et al. 1956) incorporated critical thinking abilities. Ennis (1962) proposed 12 aspects of critical thinking as a basis for research on the teaching and evaluation of critical thinking ability.

Since 1980, an annual international conference in California on critical thinking and educational reform has attracted tens of thousands of educators from all levels of education and from many parts of the world. Also since 1980, the state university system in California has required all undergraduate students to take a critical thinking course. Since 1983, the Association for Informal Logic and Critical Thinking has sponsored sessions in conjunction with the divisional meetings of the American Philosophical Association (APA). In 1987, the APA’s Committee on Pre-College Philosophy commissioned a consensus statement on critical thinking for purposes of educational assessment and instruction (Facione 1990a). Researchers have developed standardized tests of critical thinking abilities and dispositions; for details, see the Supplement on Assessment . Educational jurisdictions around the world now include critical thinking in guidelines for curriculum and assessment.

For details on this history, see the Supplement on History .

2. Examples and Non-Examples

Before considering the definition of critical thinking, it will be helpful to have in mind some examples of critical thinking, as well as some examples of kinds of thinking that would apparently not count as critical thinking.

Dewey (1910: 68–71; 1933: 91–94) takes as paradigms of reflective thinking three class papers of students in which they describe their thinking. The examples range from the everyday to the scientific.

Transit : “The other day, when I was down town on 16th Street, a clock caught my eye. I saw that the hands pointed to 12:20. This suggested that I had an engagement at 124th Street, at one o’clock. I reasoned that as it had taken me an hour to come down on a surface car, I should probably be twenty minutes late if I returned the same way. I might save twenty minutes by a subway express. But was there a station near? If not, I might lose more than twenty minutes in looking for one. Then I thought of the elevated, and I saw there was such a line within two blocks. But where was the station? If it were several blocks above or below the street I was on, I should lose time instead of gaining it. My mind went back to the subway express as quicker than the elevated; furthermore, I remembered that it went nearer than the elevated to the part of 124th Street I wished to reach, so that time would be saved at the end of the journey. I concluded in favor of the subway, and reached my destination by one o’clock.” (Dewey 1910: 68–69; 1933: 91–92)

Ferryboat : “Projecting nearly horizontally from the upper deck of the ferryboat on which I daily cross the river is a long white pole, having a gilded ball at its tip. It suggested a flagpole when I first saw it; its color, shape, and gilded ball agreed with this idea, and these reasons seemed to justify me in this belief. But soon difficulties presented themselves. The pole was nearly horizontal, an unusual position for a flagpole; in the next place, there was no pulley, ring, or cord by which to attach a flag; finally, there were elsewhere on the boat two vertical staffs from which flags were occasionally flown. It seemed probable that the pole was not there for flag-flying.

“I then tried to imagine all possible purposes of the pole, and to consider for which of these it was best suited: (a) Possibly it was an ornament. But as all the ferryboats and even the tugboats carried poles, this hypothesis was rejected. (b) Possibly it was the terminal of a wireless telegraph. But the same considerations made this improbable. Besides, the more natural place for such a terminal would be the highest part of the boat, on top of the pilot house. (c) Its purpose might be to point out the direction in which the boat is moving.

“In support of this conclusion, I discovered that the pole was lower than the pilot house, so that the steersman could easily see it. Moreover, the tip was enough higher than the base, so that, from the pilot’s position, it must appear to project far out in front of the boat. Moreover, the pilot being near the front of the boat, he would need some such guide as to its direction. Tugboats would also need poles for such a purpose. This hypothesis was so much more probable than the others that I accepted it. I formed the conclusion that the pole was set up for the purpose of showing the pilot the direction in which the boat pointed, to enable him to steer correctly.” (Dewey 1910: 69–70; 1933: 92–93)

Bubbles : “In washing tumblers in hot soapsuds and placing them mouth downward on a plate, bubbles appeared on the outside of the mouth of the tumblers and then went inside. Why? The presence of bubbles suggests air, which I note must come from inside the tumbler. I see that the soapy water on the plate prevents escape of the air save as it may be caught in bubbles. But why should air leave the tumbler? There was no substance entering to force it out. It must have expanded. It expands by increase of heat, or by decrease of pressure, or both. Could the air have become heated after the tumbler was taken from the hot suds? Clearly not the air that was already entangled in the water. If heated air was the cause, cold air must have entered in transferring the tumblers from the suds to the plate. I test to see if this supposition is true by taking several more tumblers out. Some I shake so as to make sure of entrapping cold air in them. Some I take out holding mouth downward in order to prevent cold air from entering. Bubbles appear on the outside of every one of the former and on none of the latter. I must be right in my inference. Air from the outside must have been expanded by the heat of the tumbler, which explains the appearance of the bubbles on the outside. But why do they then go inside? Cold contracts. The tumbler cooled and also the air inside it. Tension was removed, and hence bubbles appeared inside. To be sure of this, I test by placing a cup of ice on the tumbler while the bubbles are still forming outside. They soon reverse” (Dewey 1910: 70–71; 1933: 93–94).

Dewey (1910, 1933) sprinkles his book with other examples of critical thinking. We will refer to the following.

Weather : A man on a walk notices that it has suddenly become cool, thinks that it is probably going to rain, looks up and sees a dark cloud obscuring the sun, and quickens his steps (1910: 6–10; 1933: 9–13).

Disorder : A man finds his rooms on his return to them in disorder with his belongings thrown about, thinks at first of burglary as an explanation, then thinks of mischievous children as being an alternative explanation, then looks to see whether valuables are missing, and discovers that they are (1910: 82–83; 1933: 166–168).

Typhoid : A physician diagnosing a patient whose conspicuous symptoms suggest typhoid avoids drawing a conclusion until more data are gathered by questioning the patient and by making tests (1910: 85–86; 1933: 170).

Blur : A moving blur catches our eye in the distance, we ask ourselves whether it is a cloud of whirling dust or a tree moving its branches or a man signaling to us, we think of other traits that should be found on each of those possibilities, and we look and see if those traits are found (1910: 102, 108; 1933: 121, 133).

Suction pump : In thinking about the suction pump, the scientist first notes that it will draw water only to a maximum height of 33 feet at sea level and to a lesser maximum height at higher elevations, selects for attention the differing atmospheric pressure at these elevations, sets up experiments in which the air is removed from a vessel containing water (when suction no longer works) and in which the weight of air at various levels is calculated, compares the results of reasoning about the height to which a given weight of air will allow a suction pump to raise water with the observed maximum height at different elevations, and finally assimilates the suction pump to such apparently different phenomena as the siphon and the rising of a balloon (1910: 150–153; 1933: 195–198).

Diamond : A passenger in a car driving in a diamond lane reserved for vehicles with at least one passenger notices that the diamond marks on the pavement are far apart in some places and close together in others. Why? The driver suggests that the reason may be that the diamond marks are not needed where there is a solid double line separating the diamond lane from the adjoining lane, but are needed when there is a dotted single line permitting crossing into the diamond lane. Further observation confirms that the diamonds are close together when a dotted line separates the diamond lane from its neighbour, but otherwise far apart.

Rash : A woman suddenly develops a very itchy red rash on her throat and upper chest. She recently noticed a mark on the back of her right hand, but was not sure whether the mark was a rash or a scrape. She lies down in bed and thinks about what might be causing the rash and what to do about it. About two weeks before, she began taking blood pressure medication that contained a sulfa drug, and the pharmacist had warned her, in view of a previous allergic reaction to a medication containing a sulfa drug, to be on the alert for an allergic reaction; however, she had been taking the medication for two weeks with no such effect. The day before, she began using a new cream on her neck and upper chest; against the new cream as the cause was mark on the back of her hand, which had not been exposed to the cream. She began taking probiotics about a month before. She also recently started new eye drops, but she supposed that manufacturers of eye drops would be careful not to include allergy-causing components in the medication. The rash might be a heat rash, since she recently was sweating profusely from her upper body. Since she is about to go away on a short vacation, where she would not have access to her usual physician, she decides to keep taking the probiotics and using the new eye drops but to discontinue the blood pressure medication and to switch back to the old cream for her neck and upper chest. She forms a plan to consult her regular physician on her return about the blood pressure medication.

Candidate : Although Dewey included no examples of thinking directed at appraising the arguments of others, such thinking has come to be considered a kind of critical thinking. We find an example of such thinking in the performance task on the Collegiate Learning Assessment (CLA+), which its sponsoring organization describes as

a performance-based assessment that provides a measure of an institution’s contribution to the development of critical-thinking and written communication skills of its students. (Council for Aid to Education 2017)

A sample task posted on its website requires the test-taker to write a report for public distribution evaluating a fictional candidate’s policy proposals and their supporting arguments, using supplied background documents, with a recommendation on whether to endorse the candidate.

Immediate acceptance of an idea that suggests itself as a solution to a problem (e.g., a possible explanation of an event or phenomenon, an action that seems likely to produce a desired result) is “uncritical thinking, the minimum of reflection” (Dewey 1910: 13). On-going suspension of judgment in the light of doubt about a possible solution is not critical thinking (Dewey 1910: 108). Critique driven by a dogmatically held political or religious ideology is not critical thinking; thus Paulo Freire (1968 [1970]) is using the term (e.g., at 1970: 71, 81, 100, 146) in a more politically freighted sense that includes not only reflection but also revolutionary action against oppression. Derivation of a conclusion from given data using an algorithm is not critical thinking.

What is critical thinking? There are many definitions. Ennis (2016) lists 14 philosophically oriented scholarly definitions and three dictionary definitions. Following Rawls (1971), who distinguished his conception of justice from a utilitarian conception but regarded them as rival conceptions of the same concept, Ennis maintains that the 17 definitions are different conceptions of the same concept. Rawls articulated the shared concept of justice as

a characteristic set of principles for assigning basic rights and duties and for determining… the proper distribution of the benefits and burdens of social cooperation. (Rawls 1971: 5)

Bailin et al. (1999b) claim that, if one considers what sorts of thinking an educator would take not to be critical thinking and what sorts to be critical thinking, one can conclude that educators typically understand critical thinking to have at least three features.

  • It is done for the purpose of making up one’s mind about what to believe or do.
  • The person engaging in the thinking is trying to fulfill standards of adequacy and accuracy appropriate to the thinking.
  • The thinking fulfills the relevant standards to some threshold level.

One could sum up the core concept that involves these three features by saying that critical thinking is careful goal-directed thinking. This core concept seems to apply to all the examples of critical thinking described in the previous section. As for the non-examples, their exclusion depends on construing careful thinking as excluding jumping immediately to conclusions, suspending judgment no matter how strong the evidence, reasoning from an unquestioned ideological or religious perspective, and routinely using an algorithm to answer a question.

If the core of critical thinking is careful goal-directed thinking, conceptions of it can vary according to its presumed scope, its presumed goal, one’s criteria and threshold for being careful, and the thinking component on which one focuses. As to its scope, some conceptions (e.g., Dewey 1910, 1933) restrict it to constructive thinking on the basis of one’s own observations and experiments, others (e.g., Ennis 1962; Fisher & Scriven 1997; Johnson 1992) to appraisal of the products of such thinking. Ennis (1991) and Bailin et al. (1999b) take it to cover both construction and appraisal. As to its goal, some conceptions restrict it to forming a judgment (Dewey 1910, 1933; Lipman 1987; Facione 1990a). Others allow for actions as well as beliefs as the end point of a process of critical thinking (Ennis 1991; Bailin et al. 1999b). As to the criteria and threshold for being careful, definitions vary in the term used to indicate that critical thinking satisfies certain norms: “intellectually disciplined” (Scriven & Paul 1987), “reasonable” (Ennis 1991), “skillful” (Lipman 1987), “skilled” (Fisher & Scriven 1997), “careful” (Bailin & Battersby 2009). Some definitions specify these norms, referring variously to “consideration of any belief or supposed form of knowledge in the light of the grounds that support it and the further conclusions to which it tends” (Dewey 1910, 1933); “the methods of logical inquiry and reasoning” (Glaser 1941); “conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication” (Scriven & Paul 1987); the requirement that “it is sensitive to context, relies on criteria, and is self-correcting” (Lipman 1987); “evidential, conceptual, methodological, criteriological, or contextual considerations” (Facione 1990a); and “plus-minus considerations of the product in terms of appropriate standards (or criteria)” (Johnson 1992). Stanovich and Stanovich (2010) propose to ground the concept of critical thinking in the concept of rationality, which they understand as combining epistemic rationality (fitting one’s beliefs to the world) and instrumental rationality (optimizing goal fulfillment); a critical thinker, in their view, is someone with “a propensity to override suboptimal responses from the autonomous mind” (2010: 227). These variant specifications of norms for critical thinking are not necessarily incompatible with one another, and in any case presuppose the core notion of thinking carefully. As to the thinking component singled out, some definitions focus on suspension of judgment during the thinking (Dewey 1910; McPeck 1981), others on inquiry while judgment is suspended (Bailin & Battersby 2009, 2021), others on the resulting judgment (Facione 1990a), and still others on responsiveness to reasons (Siegel 1988). Kuhn (2019) takes critical thinking to be more a dialogic practice of advancing and responding to arguments than an individual ability.

In educational contexts, a definition of critical thinking is a “programmatic definition” (Scheffler 1960: 19). It expresses a practical program for achieving an educational goal. For this purpose, a one-sentence formulaic definition is much less useful than articulation of a critical thinking process, with criteria and standards for the kinds of thinking that the process may involve. The real educational goal is recognition, adoption and implementation by students of those criteria and standards. That adoption and implementation in turn consists in acquiring the knowledge, abilities and dispositions of a critical thinker.

Conceptions of critical thinking generally do not include moral integrity as part of the concept. Dewey, for example, took critical thinking to be the ultimate intellectual goal of education, but distinguished it from the development of social cooperation among school children, which he took to be the central moral goal. Ennis (1996, 2011) added to his previous list of critical thinking dispositions a group of dispositions to care about the dignity and worth of every person, which he described as a “correlative” (1996) disposition without which critical thinking would be less valuable and perhaps harmful. An educational program that aimed at developing critical thinking but not the correlative disposition to care about the dignity and worth of every person, he asserted, “would be deficient and perhaps dangerous” (Ennis 1996: 172).

Dewey thought that education for reflective thinking would be of value to both the individual and society; recognition in educational practice of the kinship to the scientific attitude of children’s native curiosity, fertile imagination and love of experimental inquiry “would make for individual happiness and the reduction of social waste” (Dewey 1910: iii). Schools participating in the Eight-Year Study took development of the habit of reflective thinking and skill in solving problems as a means to leading young people to understand, appreciate and live the democratic way of life characteristic of the United States (Aikin 1942: 17–18, 81). Harvey Siegel (1988: 55–61) has offered four considerations in support of adopting critical thinking as an educational ideal. (1) Respect for persons requires that schools and teachers honour students’ demands for reasons and explanations, deal with students honestly, and recognize the need to confront students’ independent judgment; these requirements concern the manner in which teachers treat students. (2) Education has the task of preparing children to be successful adults, a task that requires development of their self-sufficiency. (3) Education should initiate children into the rational traditions in such fields as history, science and mathematics. (4) Education should prepare children to become democratic citizens, which requires reasoned procedures and critical talents and attitudes. To supplement these considerations, Siegel (1988: 62–90) responds to two objections: the ideology objection that adoption of any educational ideal requires a prior ideological commitment and the indoctrination objection that cultivation of critical thinking cannot escape being a form of indoctrination.

Despite the diversity of our 11 examples, one can recognize a common pattern. Dewey analyzed it as consisting of five phases:

  • suggestions , in which the mind leaps forward to a possible solution;
  • an intellectualization of the difficulty or perplexity into a problem to be solved, a question for which the answer must be sought;
  • the use of one suggestion after another as a leading idea, or hypothesis , to initiate and guide observation and other operations in collection of factual material;
  • the mental elaboration of the idea or supposition as an idea or supposition ( reasoning , in the sense on which reasoning is a part, not the whole, of inference); and
  • testing the hypothesis by overt or imaginative action. (Dewey 1933: 106–107; italics in original)

The process of reflective thinking consisting of these phases would be preceded by a perplexed, troubled or confused situation and followed by a cleared-up, unified, resolved situation (Dewey 1933: 106). The term ‘phases’ replaced the term ‘steps’ (Dewey 1910: 72), thus removing the earlier suggestion of an invariant sequence. Variants of the above analysis appeared in (Dewey 1916: 177) and (Dewey 1938: 101–119).

The variant formulations indicate the difficulty of giving a single logical analysis of such a varied process. The process of critical thinking may have a spiral pattern, with the problem being redefined in the light of obstacles to solving it as originally formulated. For example, the person in Transit might have concluded that getting to the appointment at the scheduled time was impossible and have reformulated the problem as that of rescheduling the appointment for a mutually convenient time. Further, defining a problem does not always follow after or lead immediately to an idea of a suggested solution. Nor should it do so, as Dewey himself recognized in describing the physician in Typhoid as avoiding any strong preference for this or that conclusion before getting further information (Dewey 1910: 85; 1933: 170). People with a hypothesis in mind, even one to which they have a very weak commitment, have a so-called “confirmation bias” (Nickerson 1998): they are likely to pay attention to evidence that confirms the hypothesis and to ignore evidence that counts against it or for some competing hypothesis. Detectives, intelligence agencies, and investigators of airplane accidents are well advised to gather relevant evidence systematically and to postpone even tentative adoption of an explanatory hypothesis until the collected evidence rules out with the appropriate degree of certainty all but one explanation. Dewey’s analysis of the critical thinking process can be faulted as well for requiring acceptance or rejection of a possible solution to a defined problem, with no allowance for deciding in the light of the available evidence to suspend judgment. Further, given the great variety of kinds of problems for which reflection is appropriate, there is likely to be variation in its component events. Perhaps the best way to conceptualize the critical thinking process is as a checklist whose component events can occur in a variety of orders, selectively, and more than once. These component events might include (1) noticing a difficulty, (2) defining the problem, (3) dividing the problem into manageable sub-problems, (4) formulating a variety of possible solutions to the problem or sub-problem, (5) determining what evidence is relevant to deciding among possible solutions to the problem or sub-problem, (6) devising a plan of systematic observation or experiment that will uncover the relevant evidence, (7) carrying out the plan of systematic observation or experimentation, (8) noting the results of the systematic observation or experiment, (9) gathering relevant testimony and information from others, (10) judging the credibility of testimony and information gathered from others, (11) drawing conclusions from gathered evidence and accepted testimony, and (12) accepting a solution that the evidence adequately supports (cf. Hitchcock 2017: 485).

Checklist conceptions of the process of critical thinking are open to the objection that they are too mechanical and procedural to fit the multi-dimensional and emotionally charged issues for which critical thinking is urgently needed (Paul 1984). For such issues, a more dialectical process is advocated, in which competing relevant world views are identified, their implications explored, and some sort of creative synthesis attempted.

If one considers the critical thinking process illustrated by the 11 examples, one can identify distinct kinds of mental acts and mental states that form part of it. To distinguish, label and briefly characterize these components is a useful preliminary to identifying abilities, skills, dispositions, attitudes, habits and the like that contribute causally to thinking critically. Identifying such abilities and habits is in turn a useful preliminary to setting educational goals. Setting the goals is in its turn a useful preliminary to designing strategies for helping learners to achieve the goals and to designing ways of measuring the extent to which learners have done so. Such measures provide both feedback to learners on their achievement and a basis for experimental research on the effectiveness of various strategies for educating people to think critically. Let us begin, then, by distinguishing the kinds of mental acts and mental events that can occur in a critical thinking process.

  • Observing : One notices something in one’s immediate environment (sudden cooling of temperature in Weather , bubbles forming outside a glass and then going inside in Bubbles , a moving blur in the distance in Blur , a rash in Rash ). Or one notes the results of an experiment or systematic observation (valuables missing in Disorder , no suction without air pressure in Suction pump )
  • Feeling : One feels puzzled or uncertain about something (how to get to an appointment on time in Transit , why the diamonds vary in spacing in Diamond ). One wants to resolve this perplexity. One feels satisfaction once one has worked out an answer (to take the subway express in Transit , diamonds closer when needed as a warning in Diamond ).
  • Wondering : One formulates a question to be addressed (why bubbles form outside a tumbler taken from hot water in Bubbles , how suction pumps work in Suction pump , what caused the rash in Rash ).
  • Imagining : One thinks of possible answers (bus or subway or elevated in Transit , flagpole or ornament or wireless communication aid or direction indicator in Ferryboat , allergic reaction or heat rash in Rash ).
  • Inferring : One works out what would be the case if a possible answer were assumed (valuables missing if there has been a burglary in Disorder , earlier start to the rash if it is an allergic reaction to a sulfa drug in Rash ). Or one draws a conclusion once sufficient relevant evidence is gathered (take the subway in Transit , burglary in Disorder , discontinue blood pressure medication and new cream in Rash ).
  • Knowledge : One uses stored knowledge of the subject-matter to generate possible answers or to infer what would be expected on the assumption of a particular answer (knowledge of a city’s public transit system in Transit , of the requirements for a flagpole in Ferryboat , of Boyle’s law in Bubbles , of allergic reactions in Rash ).
  • Experimenting : One designs and carries out an experiment or a systematic observation to find out whether the results deduced from a possible answer will occur (looking at the location of the flagpole in relation to the pilot’s position in Ferryboat , putting an ice cube on top of a tumbler taken from hot water in Bubbles , measuring the height to which a suction pump will draw water at different elevations in Suction pump , noticing the spacing of diamonds when movement to or from a diamond lane is allowed in Diamond ).
  • Consulting : One finds a source of information, gets the information from the source, and makes a judgment on whether to accept it. None of our 11 examples include searching for sources of information. In this respect they are unrepresentative, since most people nowadays have almost instant access to information relevant to answering any question, including many of those illustrated by the examples. However, Candidate includes the activities of extracting information from sources and evaluating its credibility.
  • Identifying and analyzing arguments : One notices an argument and works out its structure and content as a preliminary to evaluating its strength. This activity is central to Candidate . It is an important part of a critical thinking process in which one surveys arguments for various positions on an issue.
  • Judging : One makes a judgment on the basis of accumulated evidence and reasoning, such as the judgment in Ferryboat that the purpose of the pole is to provide direction to the pilot.
  • Deciding : One makes a decision on what to do or on what policy to adopt, as in the decision in Transit to take the subway.

By definition, a person who does something voluntarily is both willing and able to do that thing at that time. Both the willingness and the ability contribute causally to the person’s action, in the sense that the voluntary action would not occur if either (or both) of these were lacking. For example, suppose that one is standing with one’s arms at one’s sides and one voluntarily lifts one’s right arm to an extended horizontal position. One would not do so if one were unable to lift one’s arm, if for example one’s right side was paralyzed as the result of a stroke. Nor would one do so if one were unwilling to lift one’s arm, if for example one were participating in a street demonstration at which a white supremacist was urging the crowd to lift their right arm in a Nazi salute and one were unwilling to express support in this way for the racist Nazi ideology. The same analysis applies to a voluntary mental process of thinking critically. It requires both willingness and ability to think critically, including willingness and ability to perform each of the mental acts that compose the process and to coordinate those acts in a sequence that is directed at resolving the initiating perplexity.

Consider willingness first. We can identify causal contributors to willingness to think critically by considering factors that would cause a person who was able to think critically about an issue nevertheless not to do so (Hamby 2014). For each factor, the opposite condition thus contributes causally to willingness to think critically on a particular occasion. For example, people who habitually jump to conclusions without considering alternatives will not think critically about issues that arise, even if they have the required abilities. The contrary condition of willingness to suspend judgment is thus a causal contributor to thinking critically.

Now consider ability. In contrast to the ability to move one’s arm, which can be completely absent because a stroke has left the arm paralyzed, the ability to think critically is a developed ability, whose absence is not a complete absence of ability to think but absence of ability to think well. We can identify the ability to think well directly, in terms of the norms and standards for good thinking. In general, to be able do well the thinking activities that can be components of a critical thinking process, one needs to know the concepts and principles that characterize their good performance, to recognize in particular cases that the concepts and principles apply, and to apply them. The knowledge, recognition and application may be procedural rather than declarative. It may be domain-specific rather than widely applicable, and in either case may need subject-matter knowledge, sometimes of a deep kind.

Reflections of the sort illustrated by the previous two paragraphs have led scholars to identify the knowledge, abilities and dispositions of a “critical thinker”, i.e., someone who thinks critically whenever it is appropriate to do so. We turn now to these three types of causal contributors to thinking critically. We start with dispositions, since arguably these are the most powerful contributors to being a critical thinker, can be fostered at an early stage of a child’s development, and are susceptible to general improvement (Glaser 1941: 175)

8. Critical Thinking Dispositions

Educational researchers use the term ‘dispositions’ broadly for the habits of mind and attitudes that contribute causally to being a critical thinker. Some writers (e.g., Paul & Elder 2006; Hamby 2014; Bailin & Battersby 2016a) propose to use the term ‘virtues’ for this dimension of a critical thinker. The virtues in question, although they are virtues of character, concern the person’s ways of thinking rather than the person’s ways of behaving towards others. They are not moral virtues but intellectual virtues, of the sort articulated by Zagzebski (1996) and discussed by Turri, Alfano, and Greco (2017).

On a realistic conception, thinking dispositions or intellectual virtues are real properties of thinkers. They are general tendencies, propensities, or inclinations to think in particular ways in particular circumstances, and can be genuinely explanatory (Siegel 1999). Sceptics argue that there is no evidence for a specific mental basis for the habits of mind that contribute to thinking critically, and that it is pedagogically misleading to posit such a basis (Bailin et al. 1999a). Whatever their status, critical thinking dispositions need motivation for their initial formation in a child—motivation that may be external or internal. As children develop, the force of habit will gradually become important in sustaining the disposition (Nieto & Valenzuela 2012). Mere force of habit, however, is unlikely to sustain critical thinking dispositions. Critical thinkers must value and enjoy using their knowledge and abilities to think things through for themselves. They must be committed to, and lovers of, inquiry.

A person may have a critical thinking disposition with respect to only some kinds of issues. For example, one could be open-minded about scientific issues but not about religious issues. Similarly, one could be confident in one’s ability to reason about the theological implications of the existence of evil in the world but not in one’s ability to reason about the best design for a guided ballistic missile.

Facione (1990a: 25) divides “affective dispositions” of critical thinking into approaches to life and living in general and approaches to specific issues, questions or problems. Adapting this distinction, one can usefully divide critical thinking dispositions into initiating dispositions (those that contribute causally to starting to think critically about an issue) and internal dispositions (those that contribute causally to doing a good job of thinking critically once one has started). The two categories are not mutually exclusive. For example, open-mindedness, in the sense of willingness to consider alternative points of view to one’s own, is both an initiating and an internal disposition.

Using the strategy of considering factors that would block people with the ability to think critically from doing so, we can identify as initiating dispositions for thinking critically attentiveness, a habit of inquiry, self-confidence, courage, open-mindedness, willingness to suspend judgment, trust in reason, wanting evidence for one’s beliefs, and seeking the truth. We consider briefly what each of these dispositions amounts to, in each case citing sources that acknowledge them.

  • Attentiveness : One will not think critically if one fails to recognize an issue that needs to be thought through. For example, the pedestrian in Weather would not have looked up if he had not noticed that the air was suddenly cooler. To be a critical thinker, then, one needs to be habitually attentive to one’s surroundings, noticing not only what one senses but also sources of perplexity in messages received and in one’s own beliefs and attitudes (Facione 1990a: 25; Facione, Facione, & Giancarlo 2001).
  • Habit of inquiry : Inquiry is effortful, and one needs an internal push to engage in it. For example, the student in Bubbles could easily have stopped at idle wondering about the cause of the bubbles rather than reasoning to a hypothesis, then designing and executing an experiment to test it. Thus willingness to think critically needs mental energy and initiative. What can supply that energy? Love of inquiry, or perhaps just a habit of inquiry. Hamby (2015) has argued that willingness to inquire is the central critical thinking virtue, one that encompasses all the others. It is recognized as a critical thinking disposition by Dewey (1910: 29; 1933: 35), Glaser (1941: 5), Ennis (1987: 12; 1991: 8), Facione (1990a: 25), Bailin et al. (1999b: 294), Halpern (1998: 452), and Facione, Facione, & Giancarlo (2001).
  • Self-confidence : Lack of confidence in one’s abilities can block critical thinking. For example, if the woman in Rash lacked confidence in her ability to figure things out for herself, she might just have assumed that the rash on her chest was the allergic reaction to her medication against which the pharmacist had warned her. Thus willingness to think critically requires confidence in one’s ability to inquire (Facione 1990a: 25; Facione, Facione, & Giancarlo 2001).
  • Courage : Fear of thinking for oneself can stop one from doing it. Thus willingness to think critically requires intellectual courage (Paul & Elder 2006: 16).
  • Open-mindedness : A dogmatic attitude will impede thinking critically. For example, a person who adheres rigidly to a “pro-choice” position on the issue of the legal status of induced abortion is likely to be unwilling to consider seriously the issue of when in its development an unborn child acquires a moral right to life. Thus willingness to think critically requires open-mindedness, in the sense of a willingness to examine questions to which one already accepts an answer but which further evidence or reasoning might cause one to answer differently (Dewey 1933; Facione 1990a; Ennis 1991; Bailin et al. 1999b; Halpern 1998, Facione, Facione, & Giancarlo 2001). Paul (1981) emphasizes open-mindedness about alternative world-views, and recommends a dialectical approach to integrating such views as central to what he calls “strong sense” critical thinking. In three studies, Haran, Ritov, & Mellers (2013) found that actively open-minded thinking, including “the tendency to weigh new evidence against a favored belief, to spend sufficient time on a problem before giving up, and to consider carefully the opinions of others in forming one’s own”, led study participants to acquire information and thus to make accurate estimations.
  • Willingness to suspend judgment : Premature closure on an initial solution will block critical thinking. Thus willingness to think critically requires a willingness to suspend judgment while alternatives are explored (Facione 1990a; Ennis 1991; Halpern 1998).
  • Trust in reason : Since distrust in the processes of reasoned inquiry will dissuade one from engaging in it, trust in them is an initiating critical thinking disposition (Facione 1990a, 25; Bailin et al. 1999b: 294; Facione, Facione, & Giancarlo 2001; Paul & Elder 2006). In reaction to an allegedly exclusive emphasis on reason in critical thinking theory and pedagogy, Thayer-Bacon (2000) argues that intuition, imagination, and emotion have important roles to play in an adequate conception of critical thinking that she calls “constructive thinking”. From her point of view, critical thinking requires trust not only in reason but also in intuition, imagination, and emotion.
  • Seeking the truth : If one does not care about the truth but is content to stick with one’s initial bias on an issue, then one will not think critically about it. Seeking the truth is thus an initiating critical thinking disposition (Bailin et al. 1999b: 294; Facione, Facione, & Giancarlo 2001). A disposition to seek the truth is implicit in more specific critical thinking dispositions, such as trying to be well-informed, considering seriously points of view other than one’s own, looking for alternatives, suspending judgment when the evidence is insufficient, and adopting a position when the evidence supporting it is sufficient.

Some of the initiating dispositions, such as open-mindedness and willingness to suspend judgment, are also internal critical thinking dispositions, in the sense of mental habits or attitudes that contribute causally to doing a good job of critical thinking once one starts the process. But there are many other internal critical thinking dispositions. Some of them are parasitic on one’s conception of good thinking. For example, it is constitutive of good thinking about an issue to formulate the issue clearly and to maintain focus on it. For this purpose, one needs not only the corresponding ability but also the corresponding disposition. Ennis (1991: 8) describes it as the disposition “to determine and maintain focus on the conclusion or question”, Facione (1990a: 25) as “clarity in stating the question or concern”. Other internal dispositions are motivators to continue or adjust the critical thinking process, such as willingness to persist in a complex task and willingness to abandon nonproductive strategies in an attempt to self-correct (Halpern 1998: 452). For a list of identified internal critical thinking dispositions, see the Supplement on Internal Critical Thinking Dispositions .

Some theorists postulate skills, i.e., acquired abilities, as operative in critical thinking. It is not obvious, however, that a good mental act is the exercise of a generic acquired skill. Inferring an expected time of arrival, as in Transit , has some generic components but also uses non-generic subject-matter knowledge. Bailin et al. (1999a) argue against viewing critical thinking skills as generic and discrete, on the ground that skilled performance at a critical thinking task cannot be separated from knowledge of concepts and from domain-specific principles of good thinking. Talk of skills, they concede, is unproblematic if it means merely that a person with critical thinking skills is capable of intelligent performance.

Despite such scepticism, theorists of critical thinking have listed as general contributors to critical thinking what they variously call abilities (Glaser 1941; Ennis 1962, 1991), skills (Facione 1990a; Halpern 1998) or competencies (Fisher & Scriven 1997). Amalgamating these lists would produce a confusing and chaotic cornucopia of more than 50 possible educational objectives, with only partial overlap among them. It makes sense instead to try to understand the reasons for the multiplicity and diversity, and to make a selection according to one’s own reasons for singling out abilities to be developed in a critical thinking curriculum. Two reasons for diversity among lists of critical thinking abilities are the underlying conception of critical thinking and the envisaged educational level. Appraisal-only conceptions, for example, involve a different suite of abilities than constructive-only conceptions. Some lists, such as those in (Glaser 1941), are put forward as educational objectives for secondary school students, whereas others are proposed as objectives for college students (e.g., Facione 1990a).

The abilities described in the remaining paragraphs of this section emerge from reflection on the general abilities needed to do well the thinking activities identified in section 6 as components of the critical thinking process described in section 5 . The derivation of each collection of abilities is accompanied by citation of sources that list such abilities and of standardized tests that claim to test them.

Observational abilities : Careful and accurate observation sometimes requires specialist expertise and practice, as in the case of observing birds and observing accident scenes. However, there are general abilities of noticing what one’s senses are picking up from one’s environment and of being able to articulate clearly and accurately to oneself and others what one has observed. It helps in exercising them to be able to recognize and take into account factors that make one’s observation less trustworthy, such as prior framing of the situation, inadequate time, deficient senses, poor observation conditions, and the like. It helps as well to be skilled at taking steps to make one’s observation more trustworthy, such as moving closer to get a better look, measuring something three times and taking the average, and checking what one thinks one is observing with someone else who is in a good position to observe it. It also helps to be skilled at recognizing respects in which one’s report of one’s observation involves inference rather than direct observation, so that one can then consider whether the inference is justified. These abilities come into play as well when one thinks about whether and with what degree of confidence to accept an observation report, for example in the study of history or in a criminal investigation or in assessing news reports. Observational abilities show up in some lists of critical thinking abilities (Ennis 1962: 90; Facione 1990a: 16; Ennis 1991: 9). There are items testing a person’s ability to judge the credibility of observation reports in the Cornell Critical Thinking Tests, Levels X and Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005). Norris and King (1983, 1985, 1990a, 1990b) is a test of ability to appraise observation reports.

Emotional abilities : The emotions that drive a critical thinking process are perplexity or puzzlement, a wish to resolve it, and satisfaction at achieving the desired resolution. Children experience these emotions at an early age, without being trained to do so. Education that takes critical thinking as a goal needs only to channel these emotions and to make sure not to stifle them. Collaborative critical thinking benefits from ability to recognize one’s own and others’ emotional commitments and reactions.

Questioning abilities : A critical thinking process needs transformation of an inchoate sense of perplexity into a clear question. Formulating a question well requires not building in questionable assumptions, not prejudging the issue, and using language that in context is unambiguous and precise enough (Ennis 1962: 97; 1991: 9).

Imaginative abilities : Thinking directed at finding the correct causal explanation of a general phenomenon or particular event requires an ability to imagine possible explanations. Thinking about what policy or plan of action to adopt requires generation of options and consideration of possible consequences of each option. Domain knowledge is required for such creative activity, but a general ability to imagine alternatives is helpful and can be nurtured so as to become easier, quicker, more extensive, and deeper (Dewey 1910: 34–39; 1933: 40–47). Facione (1990a) and Halpern (1998) include the ability to imagine alternatives as a critical thinking ability.

Inferential abilities : The ability to draw conclusions from given information, and to recognize with what degree of certainty one’s own or others’ conclusions follow, is universally recognized as a general critical thinking ability. All 11 examples in section 2 of this article include inferences, some from hypotheses or options (as in Transit , Ferryboat and Disorder ), others from something observed (as in Weather and Rash ). None of these inferences is formally valid. Rather, they are licensed by general, sometimes qualified substantive rules of inference (Toulmin 1958) that rest on domain knowledge—that a bus trip takes about the same time in each direction, that the terminal of a wireless telegraph would be located on the highest possible place, that sudden cooling is often followed by rain, that an allergic reaction to a sulfa drug generally shows up soon after one starts taking it. It is a matter of controversy to what extent the specialized ability to deduce conclusions from premisses using formal rules of inference is needed for critical thinking. Dewey (1933) locates logical forms in setting out the products of reflection rather than in the process of reflection. Ennis (1981a), on the other hand, maintains that a liberally-educated person should have the following abilities: to translate natural-language statements into statements using the standard logical operators, to use appropriately the language of necessary and sufficient conditions, to deal with argument forms and arguments containing symbols, to determine whether in virtue of an argument’s form its conclusion follows necessarily from its premisses, to reason with logically complex propositions, and to apply the rules and procedures of deductive logic. Inferential abilities are recognized as critical thinking abilities by Glaser (1941: 6), Facione (1990a: 9), Ennis (1991: 9), Fisher & Scriven (1997: 99, 111), and Halpern (1998: 452). Items testing inferential abilities constitute two of the five subtests of the Watson Glaser Critical Thinking Appraisal (Watson & Glaser 1980a, 1980b, 1994), two of the four sections in the Cornell Critical Thinking Test Level X (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005), three of the seven sections in the Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005), 11 of the 34 items on Forms A and B of the California Critical Thinking Skills Test (Facione 1990b, 1992), and a high but variable proportion of the 25 selected-response questions in the Collegiate Learning Assessment (Council for Aid to Education 2017).

Experimenting abilities : Knowing how to design and execute an experiment is important not just in scientific research but also in everyday life, as in Rash . Dewey devoted a whole chapter of his How We Think (1910: 145–156; 1933: 190–202) to the superiority of experimentation over observation in advancing knowledge. Experimenting abilities come into play at one remove in appraising reports of scientific studies. Skill in designing and executing experiments includes the acknowledged abilities to appraise evidence (Glaser 1941: 6), to carry out experiments and to apply appropriate statistical inference techniques (Facione 1990a: 9), to judge inductions to an explanatory hypothesis (Ennis 1991: 9), and to recognize the need for an adequately large sample size (Halpern 1998). The Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005) includes four items (out of 52) on experimental design. The Collegiate Learning Assessment (Council for Aid to Education 2017) makes room for appraisal of study design in both its performance task and its selected-response questions.

Consulting abilities : Skill at consulting sources of information comes into play when one seeks information to help resolve a problem, as in Candidate . Ability to find and appraise information includes ability to gather and marshal pertinent information (Glaser 1941: 6), to judge whether a statement made by an alleged authority is acceptable (Ennis 1962: 84), to plan a search for desired information (Facione 1990a: 9), and to judge the credibility of a source (Ennis 1991: 9). Ability to judge the credibility of statements is tested by 24 items (out of 76) in the Cornell Critical Thinking Test Level X (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005) and by four items (out of 52) in the Cornell Critical Thinking Test Level Z (Ennis & Millman 1971; Ennis, Millman, & Tomko 1985, 2005). The College Learning Assessment’s performance task requires evaluation of whether information in documents is credible or unreliable (Council for Aid to Education 2017).

Argument analysis abilities : The ability to identify and analyze arguments contributes to the process of surveying arguments on an issue in order to form one’s own reasoned judgment, as in Candidate . The ability to detect and analyze arguments is recognized as a critical thinking skill by Facione (1990a: 7–8), Ennis (1991: 9) and Halpern (1998). Five items (out of 34) on the California Critical Thinking Skills Test (Facione 1990b, 1992) test skill at argument analysis. The College Learning Assessment (Council for Aid to Education 2017) incorporates argument analysis in its selected-response tests of critical reading and evaluation and of critiquing an argument.

Judging skills and deciding skills : Skill at judging and deciding is skill at recognizing what judgment or decision the available evidence and argument supports, and with what degree of confidence. It is thus a component of the inferential skills already discussed.

Lists and tests of critical thinking abilities often include two more abilities: identifying assumptions and constructing and evaluating definitions.

In addition to dispositions and abilities, critical thinking needs knowledge: of critical thinking concepts, of critical thinking principles, and of the subject-matter of the thinking.

We can derive a short list of concepts whose understanding contributes to critical thinking from the critical thinking abilities described in the preceding section. Observational abilities require an understanding of the difference between observation and inference. Questioning abilities require an understanding of the concepts of ambiguity and vagueness. Inferential abilities require an understanding of the difference between conclusive and defeasible inference (traditionally, between deduction and induction), as well as of the difference between necessary and sufficient conditions. Experimenting abilities require an understanding of the concepts of hypothesis, null hypothesis, assumption and prediction, as well as of the concept of statistical significance and of its difference from importance. They also require an understanding of the difference between an experiment and an observational study, and in particular of the difference between a randomized controlled trial, a prospective correlational study and a retrospective (case-control) study. Argument analysis abilities require an understanding of the concepts of argument, premiss, assumption, conclusion and counter-consideration. Additional critical thinking concepts are proposed by Bailin et al. (1999b: 293), Fisher & Scriven (1997: 105–106), Black (2012), and Blair (2021).

According to Glaser (1941: 25), ability to think critically requires knowledge of the methods of logical inquiry and reasoning. If we review the list of abilities in the preceding section, however, we can see that some of them can be acquired and exercised merely through practice, possibly guided in an educational setting, followed by feedback. Searching intelligently for a causal explanation of some phenomenon or event requires that one consider a full range of possible causal contributors, but it seems more important that one implements this principle in one’s practice than that one is able to articulate it. What is important is “operational knowledge” of the standards and principles of good thinking (Bailin et al. 1999b: 291–293). But the development of such critical thinking abilities as designing an experiment or constructing an operational definition can benefit from learning their underlying theory. Further, explicit knowledge of quirks of human thinking seems useful as a cautionary guide. Human memory is not just fallible about details, as people learn from their own experiences of misremembering, but is so malleable that a detailed, clear and vivid recollection of an event can be a total fabrication (Loftus 2017). People seek or interpret evidence in ways that are partial to their existing beliefs and expectations, often unconscious of their “confirmation bias” (Nickerson 1998). Not only are people subject to this and other cognitive biases (Kahneman 2011), of which they are typically unaware, but it may be counter-productive for one to make oneself aware of them and try consciously to counteract them or to counteract social biases such as racial or sexual stereotypes (Kenyon & Beaulac 2014). It is helpful to be aware of these facts and of the superior effectiveness of blocking the operation of biases—for example, by making an immediate record of one’s observations, refraining from forming a preliminary explanatory hypothesis, blind refereeing, double-blind randomized trials, and blind grading of students’ work. It is also helpful to be aware of the prevalence of “noise” (unwanted unsystematic variability of judgments), of how to detect noise (through a noise audit), and of how to reduce noise: make accuracy the goal, think statistically, break a process of arriving at a judgment into independent tasks, resist premature intuitions, in a group get independent judgments first, favour comparative judgments and scales (Kahneman, Sibony, & Sunstein 2021). It is helpful as well to be aware of the concept of “bounded rationality” in decision-making and of the related distinction between “satisficing” and optimizing (Simon 1956; Gigerenzer 2001).

Critical thinking about an issue requires substantive knowledge of the domain to which the issue belongs. Critical thinking abilities are not a magic elixir that can be applied to any issue whatever by somebody who has no knowledge of the facts relevant to exploring that issue. For example, the student in Bubbles needed to know that gases do not penetrate solid objects like a glass, that air expands when heated, that the volume of an enclosed gas varies directly with its temperature and inversely with its pressure, and that hot objects will spontaneously cool down to the ambient temperature of their surroundings unless kept hot by insulation or a source of heat. Critical thinkers thus need a rich fund of subject-matter knowledge relevant to the variety of situations they encounter. This fact is recognized in the inclusion among critical thinking dispositions of a concern to become and remain generally well informed.

Experimental educational interventions, with control groups, have shown that education can improve critical thinking skills and dispositions, as measured by standardized tests. For information about these tests, see the Supplement on Assessment .

What educational methods are most effective at developing the dispositions, abilities and knowledge of a critical thinker? In a comprehensive meta-analysis of experimental and quasi-experimental studies of strategies for teaching students to think critically, Abrami et al. (2015) found that dialogue, anchored instruction, and mentoring each increased the effectiveness of the educational intervention, and that they were most effective when combined. They also found that in these studies a combination of separate instruction in critical thinking with subject-matter instruction in which students are encouraged to think critically was more effective than either by itself. However, the difference was not statistically significant; that is, it might have arisen by chance.

Most of these studies lack the longitudinal follow-up required to determine whether the observed differential improvements in critical thinking abilities or dispositions continue over time, for example until high school or college graduation. For details on studies of methods of developing critical thinking skills and dispositions, see the Supplement on Educational Methods .

12. Controversies

Scholars have denied the generalizability of critical thinking abilities across subject domains, have alleged bias in critical thinking theory and pedagogy, and have investigated the relationship of critical thinking to other kinds of thinking.

McPeck (1981) attacked the thinking skills movement of the 1970s, including the critical thinking movement. He argued that there are no general thinking skills, since thinking is always thinking about some subject-matter. It is futile, he claimed, for schools and colleges to teach thinking as if it were a separate subject. Rather, teachers should lead their pupils to become autonomous thinkers by teaching school subjects in a way that brings out their cognitive structure and that encourages and rewards discussion and argument. As some of his critics (e.g., Paul 1985; Siegel 1985) pointed out, McPeck’s central argument needs elaboration, since it has obvious counter-examples in writing and speaking, for which (up to a certain level of complexity) there are teachable general abilities even though they are always about some subject-matter. To make his argument convincing, McPeck needs to explain how thinking differs from writing and speaking in a way that does not permit useful abstraction of its components from the subject-matters with which it deals. He has not done so. Nevertheless, his position that the dispositions and abilities of a critical thinker are best developed in the context of subject-matter instruction is shared by many theorists of critical thinking, including Dewey (1910, 1933), Glaser (1941), Passmore (1980), Weinstein (1990), Bailin et al. (1999b), and Willingham (2019).

McPeck’s challenge prompted reflection on the extent to which critical thinking is subject-specific. McPeck argued for a strong subject-specificity thesis, according to which it is a conceptual truth that all critical thinking abilities are specific to a subject. (He did not however extend his subject-specificity thesis to critical thinking dispositions. In particular, he took the disposition to suspend judgment in situations of cognitive dissonance to be a general disposition.) Conceptual subject-specificity is subject to obvious counter-examples, such as the general ability to recognize confusion of necessary and sufficient conditions. A more modest thesis, also endorsed by McPeck, is epistemological subject-specificity, according to which the norms of good thinking vary from one field to another. Epistemological subject-specificity clearly holds to a certain extent; for example, the principles in accordance with which one solves a differential equation are quite different from the principles in accordance with which one determines whether a painting is a genuine Picasso. But the thesis suffers, as Ennis (1989) points out, from vagueness of the concept of a field or subject and from the obvious existence of inter-field principles, however broadly the concept of a field is construed. For example, the principles of hypothetico-deductive reasoning hold for all the varied fields in which such reasoning occurs. A third kind of subject-specificity is empirical subject-specificity, according to which as a matter of empirically observable fact a person with the abilities and dispositions of a critical thinker in one area of investigation will not necessarily have them in another area of investigation.

The thesis of empirical subject-specificity raises the general problem of transfer. If critical thinking abilities and dispositions have to be developed independently in each school subject, how are they of any use in dealing with the problems of everyday life and the political and social issues of contemporary society, most of which do not fit into the framework of a traditional school subject? Proponents of empirical subject-specificity tend to argue that transfer is more likely to occur if there is critical thinking instruction in a variety of domains, with explicit attention to dispositions and abilities that cut across domains. But evidence for this claim is scanty. There is a need for well-designed empirical studies that investigate the conditions that make transfer more likely.

It is common ground in debates about the generality or subject-specificity of critical thinking dispositions and abilities that critical thinking about any topic requires background knowledge about the topic. For example, the most sophisticated understanding of the principles of hypothetico-deductive reasoning is of no help unless accompanied by some knowledge of what might be plausible explanations of some phenomenon under investigation.

Critics have objected to bias in the theory, pedagogy and practice of critical thinking. Commentators (e.g., Alston 1995; Ennis 1998) have noted that anyone who takes a position has a bias in the neutral sense of being inclined in one direction rather than others. The critics, however, are objecting to bias in the pejorative sense of an unjustified favoring of certain ways of knowing over others, frequently alleging that the unjustly favoured ways are those of a dominant sex or culture (Bailin 1995). These ways favour:

  • reinforcement of egocentric and sociocentric biases over dialectical engagement with opposing world-views (Paul 1981, 1984; Warren 1998)
  • distancing from the object of inquiry over closeness to it (Martin 1992; Thayer-Bacon 1992)
  • indifference to the situation of others over care for them (Martin 1992)
  • orientation to thought over orientation to action (Martin 1992)
  • being reasonable over caring to understand people’s ideas (Thayer-Bacon 1993)
  • being neutral and objective over being embodied and situated (Thayer-Bacon 1995a)
  • doubting over believing (Thayer-Bacon 1995b)
  • reason over emotion, imagination and intuition (Thayer-Bacon 2000)
  • solitary thinking over collaborative thinking (Thayer-Bacon 2000)
  • written and spoken assignments over other forms of expression (Alston 2001)
  • attention to written and spoken communications over attention to human problems (Alston 2001)
  • winning debates in the public sphere over making and understanding meaning (Alston 2001)

A common thread in this smorgasbord of accusations is dissatisfaction with focusing on the logical analysis and evaluation of reasoning and arguments. While these authors acknowledge that such analysis and evaluation is part of critical thinking and should be part of its conceptualization and pedagogy, they insist that it is only a part. Paul (1981), for example, bemoans the tendency of atomistic teaching of methods of analyzing and evaluating arguments to turn students into more able sophists, adept at finding fault with positions and arguments with which they disagree but even more entrenched in the egocentric and sociocentric biases with which they began. Martin (1992) and Thayer-Bacon (1992) cite with approval the self-reported intimacy with their subject-matter of leading researchers in biology and medicine, an intimacy that conflicts with the distancing allegedly recommended in standard conceptions and pedagogy of critical thinking. Thayer-Bacon (2000) contrasts the embodied and socially embedded learning of her elementary school students in a Montessori school, who used their imagination, intuition and emotions as well as their reason, with conceptions of critical thinking as

thinking that is used to critique arguments, offer justifications, and make judgments about what are the good reasons, or the right answers. (Thayer-Bacon 2000: 127–128)

Alston (2001) reports that her students in a women’s studies class were able to see the flaws in the Cinderella myth that pervades much romantic fiction but in their own romantic relationships still acted as if all failures were the woman’s fault and still accepted the notions of love at first sight and living happily ever after. Students, she writes, should

be able to connect their intellectual critique to a more affective, somatic, and ethical account of making risky choices that have sexist, racist, classist, familial, sexual, or other consequences for themselves and those both near and far… critical thinking that reads arguments, texts, or practices merely on the surface without connections to feeling/desiring/doing or action lacks an ethical depth that should infuse the difference between mere cognitive activity and something we want to call critical thinking. (Alston 2001: 34)

Some critics portray such biases as unfair to women. Thayer-Bacon (1992), for example, has charged modern critical thinking theory with being sexist, on the ground that it separates the self from the object and causes one to lose touch with one’s inner voice, and thus stigmatizes women, who (she asserts) link self to object and listen to their inner voice. Her charge does not imply that women as a group are on average less able than men to analyze and evaluate arguments. Facione (1990c) found no difference by sex in performance on his California Critical Thinking Skills Test. Kuhn (1991: 280–281) found no difference by sex in either the disposition or the competence to engage in argumentative thinking.

The critics propose a variety of remedies for the biases that they allege. In general, they do not propose to eliminate or downplay critical thinking as an educational goal. Rather, they propose to conceptualize critical thinking differently and to change its pedagogy accordingly. Their pedagogical proposals arise logically from their objections. They can be summarized as follows:

  • Focus on argument networks with dialectical exchanges reflecting contesting points of view rather than on atomic arguments, so as to develop “strong sense” critical thinking that transcends egocentric and sociocentric biases (Paul 1981, 1984).
  • Foster closeness to the subject-matter and feeling connected to others in order to inform a humane democracy (Martin 1992).
  • Develop “constructive thinking” as a social activity in a community of physically embodied and socially embedded inquirers with personal voices who value not only reason but also imagination, intuition and emotion (Thayer-Bacon 2000).
  • In developing critical thinking in school subjects, treat as important neither skills nor dispositions but opening worlds of meaning (Alston 2001).
  • Attend to the development of critical thinking dispositions as well as skills, and adopt the “critical pedagogy” practised and advocated by Freire (1968 [1970]) and hooks (1994) (Dalgleish, Girard, & Davies 2017).

A common thread in these proposals is treatment of critical thinking as a social, interactive, personally engaged activity like that of a quilting bee or a barn-raising (Thayer-Bacon 2000) rather than as an individual, solitary, distanced activity symbolized by Rodin’s The Thinker . One can get a vivid description of education with the former type of goal from the writings of bell hooks (1994, 2010). Critical thinking for her is open-minded dialectical exchange across opposing standpoints and from multiple perspectives, a conception similar to Paul’s “strong sense” critical thinking (Paul 1981). She abandons the structure of domination in the traditional classroom. In an introductory course on black women writers, for example, she assigns students to write an autobiographical paragraph about an early racial memory, then to read it aloud as the others listen, thus affirming the uniqueness and value of each voice and creating a communal awareness of the diversity of the group’s experiences (hooks 1994: 84). Her “engaged pedagogy” is thus similar to the “freedom under guidance” implemented in John Dewey’s Laboratory School of Chicago in the late 1890s and early 1900s. It incorporates the dialogue, anchored instruction, and mentoring that Abrami (2015) found to be most effective in improving critical thinking skills and dispositions.

What is the relationship of critical thinking to problem solving, decision-making, higher-order thinking, creative thinking, and other recognized types of thinking? One’s answer to this question obviously depends on how one defines the terms used in the question. If critical thinking is conceived broadly to cover any careful thinking about any topic for any purpose, then problem solving and decision making will be kinds of critical thinking, if they are done carefully. Historically, ‘critical thinking’ and ‘problem solving’ were two names for the same thing. If critical thinking is conceived more narrowly as consisting solely of appraisal of intellectual products, then it will be disjoint with problem solving and decision making, which are constructive.

Bloom’s taxonomy of educational objectives used the phrase “intellectual abilities and skills” for what had been labeled “critical thinking” by some, “reflective thinking” by Dewey and others, and “problem solving” by still others (Bloom et al. 1956: 38). Thus, the so-called “higher-order thinking skills” at the taxonomy’s top levels of analysis, synthesis and evaluation are just critical thinking skills, although they do not come with general criteria for their assessment (Ennis 1981b). The revised version of Bloom’s taxonomy (Anderson et al. 2001) likewise treats critical thinking as cutting across those types of cognitive process that involve more than remembering (Anderson et al. 2001: 269–270). For details, see the Supplement on History .

As to creative thinking, it overlaps with critical thinking (Bailin 1987, 1988). Thinking about the explanation of some phenomenon or event, as in Ferryboat , requires creative imagination in constructing plausible explanatory hypotheses. Likewise, thinking about a policy question, as in Candidate , requires creativity in coming up with options. Conversely, creativity in any field needs to be balanced by critical appraisal of the draft painting or novel or mathematical theory.

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  • Siegel, Harvey, 1985, “McPeck, Informal Logic and the Nature of Critical Thinking”, in David Nyberg (ed.), Philosophy of Education 1985: Proceedings of the Forty-First Annual Meeting of the Philosophy of Education Society , Normal, IL: Philosophy of Education Society, pp. 61–72.
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  • Skolverket, 2018, Curriculum for the Compulsory School, Preschool Class and School-age Educare , Stockholm: Skolverket, revised 2018. Available at https://www.skolverket.se/download/18.31c292d516e7445866a218f/1576654682907/pdf3984.pdf; last accessed 2022 07 15.
  • Smith, B. Othanel, 1953, “The Improvement of Critical Thinking”, Progressive Education , 30(5): 129–134.
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  • Stanovich Keith E., Richard F. West, and Maggie E. Toplak, 2011, “Intelligence and Rationality”, in Robert J. Sternberg and Scott Barry Kaufman (eds.), Cambridge Handbook of Intelligence , Cambridge: Cambridge University Press, 3rd edition, pp. 784–826. doi:10.1017/CBO9780511977244.040
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How to cite this entry . Preview the PDF version of this entry at the Friends of the SEP Society . Look up topics and thinkers related to this entry at the Internet Philosophy Ontology Project (InPhO). Enhanced bibliography for this entry at PhilPapers , with links to its database.
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  • The Nature of Critical Thinking: An Outline of Critical Thinking Dispositions and Abilities , by Robert H. Ennis

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15 Things We Have Learned About Critical Thinking

Here are the key issues to consider in critical thinking..

Posted July 27, 2018

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Not long after the publication of my book, Critical Thinking: Conceptual Perspectives and Practical Guidelines , by Cambridge University Press, Psychology Today contacted me and asked me to write a blog on the subject. I never thought I would write a blog, but when presented with the opportunity to keep sharing my thoughts on critical thinking on a regular basis, I thought, why not ? Maybe my writing might help educators, maybe they might help students and maybe they might help people in their day-to-day decision-making . If it can help, then it’s worthwhile.

To recap, critical thinking (CT) is a metacognitive process, consisting of a number of sub-skills and dispositions, that, when applied through purposeful, self-regulatory, reflective judgment, increase the chances of producing a logical solution to a problem or a valid conclusion to an argument (Dwyer, 2017; Dwyer, Hogan & Stewart, 2014).

CT, if anything, has become more necessary , in this age of information bombardment and the new knowledge economy (Dwyer, Hogan & Stewart, 2014). It allows students to gain a better understanding of complex information (Dwyer, Hogan, & Stewart, 2012; 2014; Gambrill, 2006; Halpern, 2014); it allows them to achieve higher grades and become more employable, informed and active citizens (Barton & McCully, 2007; Holmes & Clizbe, 1997; National Academy of Sciences, 2005); it facilitates good decision-making and problem-solving in social and interpersonal contexts (Ku, 2009); and it decreases the effects of cognitive biases and heuristic -based thinking (Facione & Facione, 2001; McGuinness, 2013).

It’s now been just over a year since I started writing ‘Thoughts on Thinking’. As I consider my thinking and look over my writing during this period, I thought it would be worthwhile to collate and summarise some of the broader learning that has appeared in my writings. So, here’s what we’ve learned:

  • We all know CT is important, but it may be the case that many educators, as well as students, don’t really know what researchers mean by "critical thinking" and/or simply haven’t researched it themselves.
  • Just as many don’t really know what is meant by "critical thinking", there is also the problem of ensuring consistency across how it is defined/conceptualised, trained and measured , which is no easy task.
  • Without adequate training in CT, it may be the case that mature students’ perceptions of how they approach CT do not match their actual ability - despite potentially enhanced autonomy, student responsibility and locus of control , it may be that an over- optimistic outlook on the benefits of experience (and its associated heuristic-based, intuitive judgment) takes centre-stage above and beyond actual ability.
  • Social media is many things: entertainment, education , networking and much more. It is also, unfortunately, a vehicle for promoting faulty thinking. Being able to recognise persuasion techniques, illogical argumentation and fallacious reasoning , will allow you to better assess arguments presented to you, and help you to present better arguments.
  • Values are unique to each and every individual. Though individuals can certainly share values, there is no guarantee that all of an individual’s values overlap with another’s. On the other hand, using the 'virtue' moniker implies that the individual is right based on some kind of ‘moral correctness’. Though there is nothing wrong with an individual presenting ideas and perspectives that they value, it is ill-conceived and dangerous to treat them as global virtues that everyone else should value too.
  • CT is domain-g eneral, but explicit CT training is necessary if educators want to see CT improve and flourish across domains.
  • A person with a strong willingness to conduct CT has the consistent internal willingness and motivation to engage problems and make decisions by using reflective judgment . Reflective judgment, the recognition of limited knowledge and how this uncertainty can affect decision-making processes, is an important aspect of critical thinking regarding ‘taking a step back’ and thinking about an argument or problem a little bit longer and considering the basis for the reasons and consequences of responding in a particular way.
  • There is a need for general, secondary-school training in bias and statistics. We need to teach CT to the coming generations. When not critically thinking, people don’t listen, and fail to be open-minded and reflect upon the information presented to them; they project their opinions and beliefs regardless of whether or not they have evidence to support their claims.
  • Be open-minded towards others. You don’t have to respect them (respect is earned, it’s not a right); but be courteous (sure, we may be in disagreement; but, hey, we’re still civilised people).
  • A person said what they said, not how you interpret what they said. If you are unclear as to what has been said, ask for clarification. Asking for clarity is not a sign of weakness; it is a sign of successful problem-solving.
  • ‘Proof’ is the dirtiest word in critical thinking. Research and science do not prove things, they can only disprove. Be wary when you hear the word ‘prove’ or any of its variants thrown around; but also, be mindful that people feel safer when they are assured and words like ‘proven’ reinforce this feeling of assuredness.
  • Creative thinking isn’t really useful or practical in critical thinking, depending on how you conceptualize it. Critical thinking and creative thinking are very different entities if you treat the latter as something similar to lateral thinking or ‘thinking outside the box’. However, if we conceptualize creative thinking as synthesizing information for the purpose of inferring a logical and feasible conclusion or solution, then it becomes complementary to critical thinking. But then, we are not resorting to creativity alone - all other avenues involving critical thinking must be considered. That is, we can think creatively by synthesizing information we have previously thought about critically (i.e. through analysis and evaluation ) for the purpose of inferring a logical and feasible conclusion or solution. Thus, given this caveat, we can infuse our critical thinking with creative thinking, but we must do so with caution.
  • Changing people’s minds is not easy ; and it’s even more difficult when the person you’re working with believes they have critically thought about it. It may simply boil down to the person you’re trying to educate and their disposition towards critical thinking, but the person’s emotional investment in their stance also plays a significant role.
  • There is no such thing as good or bad CT – you either thought critically or you didn’t. Those who try it in good faith are likely to want to do it ‘properly’; and so, much of whether or not an individual is thinking critically comes down to intellectual humility and intellectual integrity .
  • Finally, there are some general tips that people find useful in applying their critical thinking:
  • Save your critical thinking for things that matter - things you care about.
  • Do it earlier in your day to avoid faulty thinking resulting from decision fatigue.
  • Take a step back and think about a problem a little bit longer, considering the basis for the reasons and consequences of responding in a particular way.
  • Play Devil’s Advocate in order to overcome bias and 'auto-pilot processing' through truly considering alternatives.
  • Leave emotion at the door and remove your beliefs, attitudes, opinions and personal experiences from the equation - all of which are emotionally charged.

Barton, K., & McCully, A. (2007). Teaching controversial issues where controversial issues really matter. Teaching History, 127, 13–19.

Dwyer, C.P. (2017). Critical thinking: Conceptual perspectives and practical guidelines. UK: Cambridge University Press.

Dwyer, C. P., Hogan, M. J., & Stewart, I. (2012). An evaluation of argument mapping as a method of enhancing critical thinking performance in e-learningenvironments. Metacognition and Learning, 7, 219–244.

Dwyer, C.P., Hogan, M.J. & Stewart, I. (2014). An integrated critical thinking framework for the 21st century. Thinking Skills & Creativity, 12, 43-52.

Eigenauer, J.D. (2017). Don’t reinvent the critical thinking wheel: What scholarly literature tells us about critical thinking instruction. Innovation Abstracts, 39, 2.

Facione, P. A., & Facione, N. C. (2001). Analyzing explanations for seemingly irrational choices: Linking argument analysis and cognitive science. International Journal of Applied Philosophy, 15(2), 267–286.

Gambrill, E. (2006). Evidence-based practice and policy: Choices ahead. Research on Social Work Practice, 16(3), 338–357.

Halpern, D.F. (2014). Though and knowledge. UK: Psychology Press.

Holmes, J., & Clizbe, E. (1997). Facing the 21st century. Business Education Forum, 52(1), 33–35.

Ku, K. Y. L. (2009). Assessing students’ critical thinking performance: Urging for measurements using multi-response format. Thinking Skills and Creativity,4(1), 70–76.

McGuinness, C. (2013). Teaching thinking: Learning how to think. Presented at the Psychological Society of Ireland and British Psychological Association’s Public Lecture Series. Galway, Ireland, 6th March.

National Academy of Sciences. (2005). National Academy of Engineering Institute of Medicine Rising above the gathering storm: Energising and employingAmerica for a brighter economic future. Committee on prospering in the global economy for the 21st century. Washington, DC.

Christopher Dwyer Ph.D.

Christopher Dwyer, Ph.D., is a lecturer at the Technological University of the Shannon in Athlone, Ireland.

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What Is Critical Thinking and Why Do We Need To Teach It?

Question the world and sort out fact from opinion.

What is critical thinking? #buzzwordsexplained

The world is full of information (and misinformation) from books, TV, magazines, newspapers, online articles, social media, and more. Everyone has their own opinions, and these opinions are frequently presented as facts. Making informed choices is more important than ever, and that takes strong critical thinking skills. But what exactly is critical thinking? Why should we teach it to our students? Read on to find out.

What is critical thinking?

Critical Thinking Skills infographic detailing observation, analysis, inference, communication, and problem solving

Source: Indeed

Critical thinking is the ability to examine a subject and develop an informed opinion about it. It’s about asking questions, then looking closely at the answers to form conclusions that are backed by provable facts, not just “gut feelings” and opinion. These skills allow us to confidently navigate a world full of persuasive advertisements, opinions presented as facts, and confusing and contradictory information.

The Foundation for Critical Thinking says, “Critical thinking can be seen as having two components: 1) a set of information and belief-generating and processing skills, and 2) the habit, based on intellectual commitment, of using those skills to guide behavior.”

In other words, good critical thinkers know how to analyze and evaluate information, breaking it down to separate fact from opinion. After a thorough analysis, they feel confident forming their own opinions on a subject. And what’s more, critical thinkers use these skills regularly in their daily lives. Rather than jumping to conclusions or being guided by initial reactions, they’ve formed the habit of applying their critical thinking skills to all new information and topics.

Why is critical thinking so important?

education is not the learning of facts but the training of the mind to think. -Albert Einstein

Imagine you’re shopping for a new car. It’s a big purchase, so you want to do your research thoroughly. There’s a lot of information out there, and it’s up to you to sort through it all.

  • You’ve seen TV commercials for a couple of car models that look really cool and have features you like, such as good gas mileage. Plus, your favorite celebrity drives that car!
  • The manufacturer’s website has a lot of information, like cost, MPG, and other details. It also mentions that this car has been ranked “best in its class.”
  • Your neighbor down the street used to have this kind of car, but he tells you that he eventually got rid of it because he didn’t think it was comfortable to drive. Plus, he heard that brand of car isn’t as good as it used to be.
  • Three independent organizations have done test-drives and published their findings online. They all agree that the car has good gas mileage and a sleek design. But they each have their own concerns or complaints about the car, including one that found it might not be safe in high winds.

So much information! It’s tempting to just go with your gut and buy the car that looks the coolest (or is the cheapest, or says it has the best gas mileage). Ultimately, though, you know you need to slow down and take your time, or you could wind up making a mistake that costs you thousands of dollars. You need to think critically to make an informed choice.

What does critical thinking look like?

Infographic of 8 scientifically proven strategies for critical thinking

Source: TeachThought

Let’s continue with the car analogy, and apply some critical thinking to the situation.

  • Critical thinkers know they can’t trust TV commercials to help them make smart choices, since every single one wants you to think their car is the best option.
  • The manufacturer’s website will have some details that are proven facts, but other statements that are hard to prove or clearly just opinions. Which information is factual, and even more important, relevant to your choice?
  • A neighbor’s stories are anecdotal, so they may or may not be useful. They’re the opinions and experiences of just one person and might not be representative of a whole. Can you find other people with similar experiences that point to a pattern?
  • The independent studies could be trustworthy, although it depends on who conducted them and why. Closer analysis might show that the most positive study was conducted by a company hired by the car manufacturer itself. Who conducted each study, and why?

Did you notice all the questions that started to pop up? That’s what critical thinking is about: asking the right questions, and knowing how to find and evaluate the answers to those questions.

Good critical thinkers do this sort of analysis every day, on all sorts of subjects. They seek out proven facts and trusted sources, weigh the options, and then make a choice and form their own opinions. It’s a process that becomes automatic over time; experienced critical thinkers question everything thoughtfully, with purpose. This helps them feel confident that their informed opinions and choices are the right ones for them.

Key Critical Thinking Skills

There’s no official list, but many people use Bloom’s Taxonomy to help lay out the skills kids should develop as they grow up.

A diagram showing Bloom's Taxonomy (Critical Thinking Skills)

Source: Vanderbilt University

Bloom’s Taxonomy is laid out as a pyramid, with foundational skills at the bottom providing a base for more advanced skills higher up. The lowest phase, “Remember,” doesn’t require much critical thinking. These are skills like memorizing math facts, defining vocabulary words, or knowing the main characters and basic plot points of a story.

Higher skills on Bloom’s list incorporate more critical thinking.

True understanding is more than memorization or reciting facts. It’s the difference between a child reciting by rote “one times four is four, two times four is eight, three times four is twelve,” versus recognizing that multiplication is the same as adding a number to itself a certain number of times. When you understand a concept, you can explain how it works to someone else.

When you apply your knowledge, you take a concept you’ve already mastered and apply it to new situations. For instance, a student learning to read doesn’t need to memorize every word. Instead, they use their skills in sounding out letters to tackle each new word as they come across it.

When we analyze something, we don’t take it at face value. Analysis requires us to find facts that stand up to inquiry. We put aside personal feelings or beliefs, and instead identify and scrutinize primary sources for information. This is a complex skill, one we hone throughout our entire lives.

Evaluating means reflecting on analyzed information, selecting the most relevant and reliable facts to help us make choices or form opinions. True evaluation requires us to put aside our own biases and accept that there may be other valid points of view, even if we don’t necessarily agree with them.

Finally, critical thinkers are ready to create their own result. They can make a choice, form an opinion, cast a vote, write a thesis, debate a topic, and more. And they can do it with the confidence that comes from approaching the topic critically.

How do you teach critical thinking skills?

The best way to create a future generation of critical thinkers is to encourage them to ask lots of questions. Then, show them how to find the answers by choosing reliable primary sources. Require them to justify their opinions with provable facts, and help them identify bias in themselves and others. Try some of these resources to get started.

  • 5 Critical Thinking Skills Every Kid Needs To Learn (And How To Teach Them)
  • 100+ Critical Thinking Questions for Students To Ask About Anything
  • 10 Tips for Teaching Kids To Be Awesome Critical Thinkers
  • Free Critical Thinking Poster, Rubric, and Assessment Ideas

More Critical Thinking Resources

The answer to “What is critical thinking?” is a complex one. These resources can help you dig more deeply into the concept and hone your own skills.

  • The Foundation for Critical Thinking
  • Cultivating a Critical Thinking Mindset (PDF)
  • Asking the Right Questions: A Guide to Critical Thinking (Browne/Keeley, 2014)

Have more questions about what critical thinking is or how to teach it in your classroom? Join the WeAreTeachers HELPLINE group on Facebook to ask for advice and share ideas!

Plus, 12 skills students can work on now to help them in careers later ..

What is critical thinking? It's the ability to thoughtfully question the world and sort out fact from opinion, and it's a key life skill.

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  • What Is Critical Thinking? | Definition & Examples

What Is Critical Thinking? | Definition & Examples

Published on 25 September 2022 by Eoghan Ryan .

Critical thinking is the ability to effectively analyse information and form a judgement.

To think critically, you must be aware of your own biases and assumptions when encountering information, and apply consistent standards when evaluating sources .

Critical thinking skills help you to:

  • Identify credible sources
  • Evaluate and respond to arguments
  • Assess alternative viewpoints
  • Test hypotheses against relevant criteria

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Table of contents

Why is critical thinking important, critical thinking examples, how to think critically, frequently asked questions.

Critical thinking is important for making judgements about sources of information and forming your own arguments. It emphasises a rational, objective, and self-aware approach that can help you to identify credible sources and strengthen your conclusions.

Critical thinking is important in all disciplines and throughout all stages of the research process . The types of evidence used in the sciences and in the humanities may differ, but critical thinking skills are relevant to both.

In an academic context, critical thinking can help you to determine whether a source:

  • Is free from research bias
  • Provides evidence to support its findings
  • Considers alternative viewpoints

Outside of academia, critical thinking goes hand in hand with information literacy to help you form opinions rationally and engage independently and critically with popular media.

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Critical thinking can help you to identify reliable sources of information that you can cite in your research paper . It can also guide your own research methods and inform your own arguments.

Outside of academia, critical thinking can help you to be aware of both your own and others’ biases and assumptions.

Academic examples

However, when you compare the findings of the study with other current research, you determine that the results seem improbable. You analyse the paper again, consulting the sources it cites.

You notice that the research was funded by the pharmaceutical company that created the treatment. Because of this, you view its results skeptically and determine that more independent research is necessary to confirm or refute them. Example: Poor critical thinking in an academic context You’re researching a paper on the impact wireless technology has had on developing countries that previously did not have large-scale communications infrastructure. You read an article that seems to confirm your hypothesis: the impact is mainly positive. Rather than evaluating the research methodology, you accept the findings uncritically.

Nonacademic examples

However, you decide to compare this review article with consumer reviews on a different site. You find that these reviews are not as positive. Some customers have had problems installing the alarm, and some have noted that it activates for no apparent reason.

You revisit the original review article. You notice that the words ‘sponsored content’ appear in small print under the article title. Based on this, you conclude that the review is advertising and is therefore not an unbiased source. Example: Poor critical thinking in a nonacademic context You support a candidate in an upcoming election. You visit an online news site affiliated with their political party and read an article that criticizes their opponent. The article claims that the opponent is inexperienced in politics. You accept this without evidence, because it fits your preconceptions about the opponent.

There is no single way to think critically. How you engage with information will depend on the type of source you’re using and the information you need.

However, you can engage with sources in a systematic and critical way by asking certain questions when you encounter information. Like the CRAAP test , these questions focus on the currency , relevance , authority , accuracy , and purpose of a source of information.

When encountering information, ask:

  • Who is the author? Are they an expert in their field?
  • What do they say? Is their argument clear? Can you summarise it?
  • When did they say this? Is the source current?
  • Where is the information published? Is it an academic article? Is it a blog? A newspaper article?
  • Why did the author publish it? What is their motivation?
  • How do they make their argument? Is it backed up by evidence? Does it rely on opinion, speculation, or appeals to emotion ? Do they address alternative arguments?

Critical thinking also involves being aware of your own biases, not only those of others. When you make an argument or draw your own conclusions, you can ask similar questions about your own writing:

  • Am I only considering evidence that supports my preconceptions?
  • Is my argument expressed clearly and backed up with credible sources?
  • Would I be convinced by this argument coming from someone else?

Critical thinking refers to the ability to evaluate information and to be aware of biases or assumptions, including your own.

Like information literacy , it involves evaluating arguments, identifying and solving problems in an objective and systematic way, and clearly communicating your ideas.

Critical thinking skills include the ability to:

You can assess information and arguments critically by asking certain questions about the source. You can use the CRAAP test , focusing on the currency , relevance , authority , accuracy , and purpose of a source of information.

Ask questions such as:

  • Who is the author? Are they an expert?
  • How do they make their argument? Is it backed up by evidence?

A credible source should pass the CRAAP test  and follow these guidelines:

  • The information should be up to date and current.
  • The author and publication should be a trusted authority on the subject you are researching.
  • The sources the author cited should be easy to find, clear, and unbiased.
  • For a web source, the URL and layout should signify that it is trustworthy.

Information literacy refers to a broad range of skills, including the ability to find, evaluate, and use sources of information effectively.

Being information literate means that you:

  • Know how to find credible sources
  • Use relevant sources to inform your research
  • Understand what constitutes plagiarism
  • Know how to cite your sources correctly

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What Does Critical Thinking Involve: 5 Essential Skill

Critical thinking is the ability to analyze, evaluate, and synthesize information from various sources and perspectives. It involves applying logic, reasoning, and creativity to solve problems, make decisions, and form judgments. Critical thinking also requires being open-minded, curious, and respectful of different views and evidence. Critical thinking is an essential skill for learning, working, and living in a complex and diverse world.

what do critical thinking mean to you

Sanju Pradeepa

what does critical thinking involve

So you want to become a better thinker? That’s great news. The ability to think critically about information and arguments is one of the most important skills you can develop. Critical thinking involves analyzing information objectively and rationally, evaluating arguments and evidence, and forming independent judgments.

This article will break down five essential skills that make up critical thinking. Master these skills, and you’ll be well on your way to stronger reasoning, better decision-making, and avoiding manipulation by misleading information. The path to independent thinking starts here; read on to begin building your critical thinking blueprint.

Table of Contents

What does critical thinking involve.

what does critical thinking involve

To think critically, you need to employ certain skills. Here are the top 5:

Observation : Observe the world around you with an open and curious mind. Notice the details and ask questions. Try to understand different perspectives and the reasoning behind them. The more you observe, the more you’ll strengthen your critical thinking.

Analysis : Analyze information objectively by examining the evidence and arguments. Look for logical flaws and inconsistencies. Question assumptions and consider alternative interpretations. Break down information into its basic elements to understand how it’s structured.

Inference : Infer conclusions that logically follow from the evidence and information you have. Make educated guesses when information is incomplete. But be willing to reconsider your inferences based on new evidence.

Evaluation : Evaluate the credibility and strength of claims, arguments, evidence, and information. Consider the expertise, potential biases, and logical reasoning of the sources. Determine if alternative conclusions also reasonably follow from the evidence.

Explanation : Explain your thinking clearly and logically to others. Share your inferences, analyses, and evaluations, not just your conclusions. Explaining your thinking helps strengthen your own critical thinking and allows others to provide feedback to further improve your reasoning skills.

With regular practice of these five skills, you’ll develop the habit of thinking critically, deliberately, and systematically. And that will allow you to make thoughtful judgments and have more productive discussions.

Types of critical thinking

7 Types of Critical Thinking: A Guide to Analyzing Problems

Skill #1: identifying assumptions.

To think critically, you need to identify the assumptions in arguments and claims. Assumptions are the unspoken beliefs or ideas that shape our thinking. Recognizing them helps determine if an argument is reasonable or flawed.

Look for qualifying words like “all”, “always”, or “never”. For example, the claim “All people who care about the environment are vegans” assumes that the only way to care about the environment is through a vegan diet. Obviously not true!

Check for implied “shoulds” or “musts”. For example, “Good students always do all their homework on time” assumes that homework completion is the only measure of a good student. Not necessarily the case!

Look for hyperbole or exaggerated language. For example, “No one cares about this issue” assumes a level of consensus that likely doesn’t exist. In reality, there are probably many who do care.

Identify appeals to popularity, tradition, or authority. Just because “everyone does it this way” or “it’s always been done like this” doesn’t mean it’s logical or right. And just because an authority figure says it doesn’t make it so.

By recognizing assumptions in the arguments and claims you encounter each day, you’ll start to think more critically about the messages and ideas that shape your world. And that’s a skill that will serve you well.

Skill #2: Evaluating Arguments:

Evaluating arguments is a crucial skill that involves analyzing the logic and evidence behind a claim. To evaluate an argument effectively:

Identify the argument’s main conclusion and supporting premises.

The conclusion is the main claim being made, while the premises are the reasons and evidence given to support that conclusion. Look for signal words like “therefore” or “thus” that introduce the conclusion.

Determine if the premises are true and actually support the conclusion.

For an argument to be logical, its premises must be both true and relevant to the conclusion. Ask yourself questions like:

  • Are there any unsupported assumptions?
  • Is there any contradictory evidence?
  • Are there alternative explanations that make more sense?
  • Do the premises actually lead to the conclusion, or is there a “logical leap”?

Consider counterarguments and opposing views.

A strong argument acknowledges counterarguments and provides convincing responses to them. Think about the main objections or alternative positions, and see if the argument adequately addresses them. If not, that is a weakness in the argument.

Evaluate the evidence and examples.

Anecdotes, examples, statistics, facts, and expert opinions are all types of evidence used to support arguments. Examine how credible, accurate, and relevant the evidence seems. Consider if contrary evidence has been left out.

Determine if the argument’s tone is objective and reasonable.

The tone and language of an argument can also affect its persuasiveness. Watch out for emotionally charged language, personal attacks, or an extremist perspective, as these can signal a weak or misleading argument.

By systematically working through these steps, you can determine how logically sound and persuasive an argument really is. The ability to evaluate arguments in this way is invaluable for critical thinking.

Skill #3: Drawing Logical Conclusions

To draw logical conclusions, you need to evaluate the evidence and arguments to determine what can reasonably be inferred. This is a key critical thinking skill that allows you to make objective and well-reasoned judgments.

Identify the available evidence.

Look at the facts, data, examples, observations, and information you have access to. Consider the reliability, accuracy, and credibility of each piece of evidence. Some evidence may be more persuasive or trustworthy than other evidence.

Determine an y assumptions.

Figure out what is implied but not directly stated. Examine any presuppositions or beliefs that are taken for granted. The question is whether those assumptions are reasonable and supported by evidence.

Consider alternative explanations.

Don’t just go with the first conclusion that comes to mind. Think about other possible inferences or conclusions that could be drawn. See if there are any alternative ways of interpreting the evidence that also make sense. Consider objections or counterarguments to your initial conclusion.

Evaluate the strength of the evidence.

Some evidence is more compelling than other evidence. Stronger evidence is usually based on scientific methods, objective observations, and expert opinions. Weaker evidence tends to be anecdotal, based primarily on personal experiences or opinions. The amount of evidence also matters; the more evidence, the stronger the support for a particular conclusion.

Draw an impartial conclusion.

Finally, weigh all the evidence, assumptions, and alternative explanations objectively to determine what can logically be concluded. The conclusion should not reflect any personal biases or preferences but should be based solely on the reasoning and evidence. Your conclusion can differ from initial impressions or intuitions once you’ve critically analyzed the issue.

Following these steps will allow you to reach logical and unbiased conclusions based on the evidence and sound reasoning. Regular practice drawing logical conclusions will strengthen your critical thinking skills over time.

Critical an non critical thinking

Critical Thinking and Non-Critical Thinking: Key Differences

Skill #4: considering multiple perspectives:.

To think critically, you need to consider other perspectives and opinions. This helps you gain a more balanced and well-rounded view of issues. It allows you to understand why others may see things differently than you, even if you don’t agree with them.

Consider the source.

Evaluate the background and possible biases of the information. Consider the expertise, credibility, and possible motives of the individuals or groups expressing each perspective. This context can help determine how much weight to give different views.

Look for common ground.

Even when perspectives differ greatly, there are often some areas of agreement or shared values. Finding common ground can help establish connection and understanding. Look for any underlying interests or concerns that are shared, even if the means of addressing them differ.

Question your reasonable and consistently unreasonable assumptions.

It’s easy to assume your way of thinking is the norm, but that is rarely the case. Make an effort to identify your own assumptions and consider how they shape your perspective. How might those assumptions differ for other groups? Challenging your assumptions opens you up to new ways of understanding.

For any issue, there are multiple ways of explaining and interpreting events or information. Try to identify other plausible explanations that differ from your own. Even unlikely explanations can broaden your thinking. Ask yourself questions like “What else could this mean?” or “How might this look from another angle?” to explore alternative explanations. Considering other perspectives, questioning assumptions, and exploring alternative explanations are habits of mind that lead to fair and well-reasoned thinking. While you may not end up agreeing with all views, making the effort to understand them will strengthen your critical thinking skills. What perspectives could you consider to gain new insights today?

Skill #5: Drawing Logical Conclusions

To draw logical conclusions, you need to analyze the evidence and arguments you’ve gathered and determine what follows from them in a reasonable and consistent manner. This is the final step that pulls all the other critical thinking skills together.

Identify assumptions and logical fallacies.

Look for any assumptions or logical fallacies in the information or arguments. Question if there are any gaps in the evidence or if certain perspectives have been left out. Addressing these weaknesses will lead to sounder conclusions.

Don’t just go with the most obvious conclusion. Consider other plausible explanations or interpretations of the evidence. Try to find additional evidence that can help determine which alternatives are the strongest.

Determine the most reasonable conclusion.

Evaluate which conclusion is most logically consistent with the evidence, addresses counterarguments, and is backed by the most credible information. The conclusion should not introduce new, unsupported claims or speculation. It flows naturally from a reasoned analysis of all that came before.

Consider the implications and consequences.

Think about the impacts and effects of your conclusion. Determine if it may lead to other issues or require additional evidence. Make sure your conclusion does not contradict the values of inclusiveness, empathy, or social justice. Modify or reframe it as needed.

Express confidence in your conclusion appropriately.

State how confident you are in your conclusion based on the strength of the evidence and reasoning. Don’t claim more certainty than is warranted. Be willing to reevaluate based on new evidence. The hallmark of critical thinking is an open and curious mind. With practice, drawing logical conclusions can become second nature. Apply these skills to determine the most reasonable and well-supported conclusions while also identifying where more evidence or consideration is needed. Strong critical thinking leads to conclusions you can stand behind with confidence.

Using critical thinking in different areas

Using critical thinking in different areas

lets see how to use critical thinking skills in different areas of our lives.

1. Critical Thinking in Education

Critical thinking skills are essential in education. As a student, developing strong critical thinking abilities will serve you well, both in the classroom and beyond. Here are five key critical thinking skills to cultivate:

Analyzing information means breaking it down into smaller parts to gain a deeper understanding. Ask questions like:

What are the key elements or arguments?

What evidence supports them?

  • Are there any holes or weaknesses?
  • How do the parts relate to each other?

Practice analysis in your assignments by thoroughly examining sources and arguments. Summarize and evaluate evidence to determine how well it supports key claims.

Interpretation

Interpreting information involves explaining it in your own words and determining what it means. Some ways to strengthen your interpretation skills include:

  • Who created this information, and what are their credentials or potential biases?
  • Is the information based on evidence and logical reasoning? Or is it mostly opinion?
  • How current, accurate, and trustworthy is this information?
  • How useful or applicable is this information for my needs?

Look for logical fallacies or weaknesses in arguments and consider alternative perspectives. Evaluate evidence and opinions critically before accepting them.

Making inferences involves using the available information to draw reasonable conclusions. Practice making inferences by:

  • looking for clues or details that point to a particular conclusion, even if not directly stated.
  • Combining multiple pieces of information to deduce new insights
  • Proposing hypothetical explanations for situations where there are information gaps.
  • Distinguishing between inferences, assumptions, and opinions. Base inferences on factual evidence.

Explanation

Explaining information means communicating it to others in a clear, coherent manner. Strong explanations:

  • have a logical flow and structure. Group related ideas together.
  • Provide context and background information to help others understand the key concepts.
  • Use specific examples and visual aids like diagrams, charts, or graphs when needed. Define any complex terms or jargon. Keep the language concise yet comprehensive.
  • Address any counterarguments or alternative perspectives. Explain how they relate to your position.

Developing these critical thinking skills takes practice. Apply them whenever you can—in class discussions, assignments, projects, and everyday life.

Lack of critical thinking

Lack of Critical Thinking: 14 Reasons Why Do We Lack

2. using critical thinking in your career.

Critical thinking skills are crucial for success in any career. How well you can analyze information, evaluate arguments, solve complex problems, and make reasoned decisions will determine how far you can go. Here are five critical thinking skills to develop for career advancement:

Analyzing Information

The ability to analyze and understand data, research, and reports is key. Look for biases or logical fallacies in the information. Determine if arguments are backed by evidence. Ask probing questions to fully comprehend complex ideas. Strong analytical skills will make you an asset in any role.

Evaluating Arguments

Evaluate the merit and validity of arguments and opinions. Consider whether beliefs are backed by facts or if logical flaws exist. Look for manipulation or emotional tactics meant to provoke reactions over reason. The skill to assess the strength of reasoning and evidence in an impartial manner is invaluable.

Problem-Solving

Complex problem-solving involves identifying issues, creating solutions, and evaluating options objectively. Approach problems logically and creatively. Ask open-ended questions to clarify the problem and determine the root causes. Be flexible in generating alternatives before determining optimal solutions. Problem-solving skills allow you to overcome challenges and advance organizational goals.

Decision Making

Make well-reasoned choices by considering options objectively based on facts and logical analysis. Identify your own biases and preconceptions to avoid clouding your judgment. Consider both the short- and long-term consequences of your decisions. Discuss options with others to gain additional perspectives. Strong decision-making skills will establish you as a leader in your field.

Use logical reasoning to form sound judgments and draw accurate conclusions. Apply deductive and inductive reasoning appropriately based on the situation. Question your own assumptions and positions to determine if they are justified and supported by evidence. The ability to think logically and critically about complex issues will make you an invaluable resource in any organization.

Developing and applying these critical thinking skills regularly will allow you to reach your full potential in your career. Strong reasoning and an objective, analytical mindset are talents that will benefit you and any organization you serve. With practice, you can elevate your thinking and open up new opportunities for advancement.

3. Applying Critical Thinking in Daily Life

Applying critical thinking in your everyday life takes practice. Start with these five key skills:

Observation

Observe the world around you with an open and curious mind. Pay close attention to details and ask questions about what you see experience. Look beneath the surface of situations and try to figure out the underlying causes or reasons for things.

Analyze information and arguments by examining the evidence, reasoning, and logic. Identify ambiguity, assumptions, reasons, and alternative perspectives. Break down ideas into their component parts to gain a deeper understanding. Consider how the new information relates to what you already know.

Interpret information and situations by figuring out their significance or meaning. Try to determine the implications, inferences, and conclusions that can be drawn. Look for patterns and connections that may not be obvious at first glance. Consider alternative ways of understanding what you observe and analyze.

Evaluate information, arguments, and actions by judging credibility, accuracy, and quality. Determine strengths, weaknesses, pros, and cons. Assess logical soundness, factual accuracy, and reasonableness. Consider the perspectives and biases of the sources. Make judgments about whether something achieves what it intends to achieve.

Explain your thinking, reasoning, perspectives, and judgments to others in a clear, coherent, and compelling way. Provide logical reasoning and evidence to support your views. Anticipate questions, objections, and counterarguments to address them. Explain complex ideas in a straightforward manner that is easy to follow and understand.

Applying these critical thinking skills in your daily life will make you a clearer thinker and help you make better decisions. With regular practice, thinking critically can become second nature.

4. Critical Thinking in the Workplace

Critical thinking skills are essential in the workplace. They allow you to analyze situations, make good judgments, and solve complex problems. Here are five critical thinking skills that will make you an asset to any organization:

Identifying assumptions and biases

We all have implicit biases and make assumptions, often without realizing it. Strong critical thinkers question their own assumptions and consider issues from multiple perspectives. They also recognize biases in other people’s arguments and opinions. Identifying biases helps create a fair and just work environment.

Evaluating arguments and evidence

Not all information or opinions should be accepted at face value. Look for logical flaws, false assumptions, and unsupported claims. Consider the accuracy, reliability, and credibility of evidence and sources. Evaluate how persuasive or convincing an argument is. These skills allow you to make well-informed decisions and recommendations.

Asking the right questions

Knowing what questions to ask and asking them at the right time is key to critical thinking. Ask follow-up questions to make sure you fully understand the issue. Question the status quo and conventional wisdom. Probe for alternative explanations or solutions. Asking good questions fuels innovation, problem-solving, and continuous improvement.

Drawing reasonable conclusions

After gathering and evaluating information, determine what conclusions can logically and justifiably be drawn. Make sure any conclusions are backed by evidence and sound reasoning, not speculation or opinion. Consider alternative conclusions as well, and be willing to revise your views as new information comes to light. The ability to draw accurate, well-supported conclusions is invaluable.

Thinking creatively

While critical thinking implies logic and reasoning, it also involves thinking innovatively about problems and opportunities. Challenge assumptions and conventional wisdom. Make unexpected or unusual associations between ideas. Speculate on new possibilities or ways of doing things. Creative, “outside the box” thinking leads to new products, services, solutions and competitive advantages.

5. Teaching critical thinking to children

Teaching critical thinking skills to children at an early age will benefit them for life. Help kids develop these 5 essential skills through fun activities, games, and open discussions:

Asking Questions

Encourage kids to ask lots of questions. Play games where they have to ask questions to guess something, like 20 questions. Show them how to ask open-ended questions that start with who, what, where, when, why, and how. Questions lead to discoveries and new ideas.

Evaluating Information

Help children consider where information comes from and if it’s trustworthy. Discuss how to determine if something might be exaggerated or misleading. Show them how to look for facts and evidence to back up claims. Evaluate news stories and internet sources together. These skills build media literacy and guard against the spread of misinformation.

Drawing Reasonable Conclusions

Present kids with situations, stories, or puzzles that require making inferences. Ask them what they think might happen next or why something occurred. Discuss how to draw conclusions that are based on facts, not guesses or opinions. Explain how conclusions should be logical and reasonable. Play games like Clue to practice putting clues together to solve a mystery.

Considering Alternatives

Encourage children to think about other ways of doing things or other solutions to problems. Discuss how there are often multiple perspectives to consider. Pose open-ended scenarios and ask them to generate options. Evaluate options together based on facts and reason. Considering alternatives helps foster an open and curious mindset .

Communicating Effectively

Discuss how to share thoughts and ideas constructively. Demonstrate active listening and explain how to build on what others say. Practice debating various sides of an issue while remaining respectful. Help kids understand the importance of communicating in a clear, concise, and logical manner based on facts and reason. Strong communication skills are vital for critical thinking.

Developing these critical thinking skills from an early age will prepare children to become independent thinkers and informed citizens. With practice, these skills become a habit of mind that will benefit them throughout life.

Examples of Critical Thinking in Everyday Life

Examples of Critical Thinking in Everyday Life

Critical thinking is a skill that applies to many areas of life, not just in an academic or professional setting. In your day-to-day life, there are many opportunities to engage your critical thinking abilities. Here are a few examples of how critical thinking comes into play in everyday situations:

Making important life decisions

  • When deciding on major life changes like moving to a new city, changing careers, or ending a relationship, critical thinking is key. You need to logically evaluate your options, determine pros and cons, and make a well-reasoned choice.

Solving problems.

  • Whether it’s figuring out why your internet isn’t working or determining the best way to organize your schedule, critical thinking helps you efficiently troubleshoot issues. Ask clarifying questions, examine possible solutions, evaluate alternatives, and determine the most viable option.

Avoiding logical fallacies and flawed arguments

  • In conversations, news reports, and the media, logical fallacies and poor reasoning frequently appear. Sharpen your critical thinking skills to spot fallacies like ad hominem attacks, false equivalences, strawmen, and circular reasoning. Look for evidence, logical coherence, and solid support for arguments and claims.

Making sound judgments.

  • Every day, we make many small judgments and decisions that are enhanced by critical thinking. Things like determining whether a source is credible, if a claim seems reasonable, or if there are any flaws in an argument Critical thinking gives you the ability to judge objectively and rationally rather than relying on instinct or emotion alone.

With regular practice, critical thinking can become second nature and an integral part of your daily routine. Make an effort to engage your mind fully in everyday situations, ask questions, evaluate information, and make the most logical and well-supported choices. Your life and relationships will benefit from this disciplined approach to thinking and reasoning.

Bad critical thinking examples

Bad Critical Thinking Examples: 14 Tips for Better Decisions

So there you have it—five essential skills for sharpening your critical thinking. Developing strong reasoning abilities takes practice and persistence, but the payoff is huge. When you can think critically about information and arguments, you’ll make better decisions, have more meaningful discussions, and gain valuable insights. You’ll see the world with more clarity and wisdom. You’ll become a lifelong learner, open to growth and understanding. So keep reading, keep questioning, keep analyzing, and keep reflecting—you’ve got the blueprint now to build your critical thinking muscle each and every day. Think critically and think freely!

  • 5 Top Critical Thinking Skills (And How To Improve Them) from Indeed
  • Critical Thinking: What It Is and Why It’s Important
  • Critical Thinking in Everyday Life: 9 Strategies

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Why Critical Thinking Is Important (& How to Improve It)

Last updated May 1, 2023. Edited and medically reviewed by Patrick Alban, DC . Written by Deane Alban .

By improving the quality of your thoughts and your decisions, better critical thinking skills can bring about a big positive change in your life. Learn how.

The quality of your life largely depends on the quality of the decisions you make.

Amazingly, the average person makes roughly 35,000 conscious decisions every day! 

Imagine how much better your life would be if there were a way to make better decisions, day in and day out?

Well, there is and you do it by boosting a skill called critical thinking .

Learning to master critical thinking can have a profoundly positive impact on nearly every aspect of your life.

What Exactly Is Critical Thinking?

The first documented account of critical thinking is the teachings of Socrates as recorded by Plato. 

Over time, the definition of critical thinking has evolved.

Most definitions of critical thinking are fairly complex and best understood by philosophy majors or psychologists.

For example, the Foundation for Critical Thinking , a nonprofit think tank, offers this definition:

“Critical thinking is the intellectually disciplined process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from, or generated by, observation, experience, reflection, reasoning, or communication, as a guide to belief and action.”

If that makes your head spin, here are some definitions that you may relate to more easily.

Critical thinking is “reasonable, reflective thinking that is focused on deciding what to believe or do.”

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Or, a catchy way of defining critical thinking is “deciding what’s true and what you should do.”

But my favorite uber-simple definition is that critical thinking is simply “thinking about thinking.”

6 Major Benefits of Good Critical Thinking Skills

Whether or not you think critically can make the difference between success and failure in just about every area of your life.

Our human brains are imperfect and prone to irrationality, distortions, prejudices, and cognitive biases .

Cognitive biases are systematic patterns of irrational thinking.

While the number of cognitive biases varies depending on the source, Wikipedia, for example, lists nearly 200 of them ! 

Some of the most well-known cognitive biases include:

  • catastrophic thinking
  • confirmation bias
  • fear of missing out (FOMO)

Critical thinking will help you move past the limitations of irrational thinking.

Here are some of the most important ways critical thinking can impact your life.

1. Critical Thinking Is a Key to Career Success

There are many professions where critical thinking is an absolute must.

Lawyers, analysts, accountants, doctors, engineers, reporters, and scientists of all kinds must apply critical thinking frequently.

But critical thinking is a skill set that is becoming increasingly valuable in a growing number of professions.

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Critical thinking can help you in any profession where you must:

  • analyze information
  • systematically solve problems
  • generate innovative solutions
  • plan strategically
  • think creatively
  • present your work or ideas to others in a way that can be readily understood

And, as we enter the fourth industrial revolution , critical thinking has become one of the most sought-after skills.

chart showing the increase in demand for enterprise skills

According to the World Economic Forum , critical thinking and complex problem-solving are the two top in-demand skills that employers look for. 

Critical thinking is considered a soft or enterprise skill — a core attribute required to succeed in the workplace . 

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According to The University of Arizona, other soft skills include : 

  • interpersonal skills
  • communication skills
  • digital literacy

Critical thinking can help you develop the rest of these soft skills.

Developing your critical thinking can help you land a job since many employers will ask you interview questions or even give you a test to determine how well you can think critically.

It can also help you continually succeed in your career, since being a critical thinker is a powerful predictor of long-term success.

2. Critical Thinkers Make Better Decisions

Every day you make thousands of decisions.

Most of them are made by your subconscious , are not very important, and don’t require much thought, such as what to wear or what to have for lunch. 

But the most important decisions you make can be hard and require a lot of thought, such as when or if you should change jobs, relocate to a new city, buy a house, get married, or have kids.

At work, you may have to make decisions that can alter the course of your career or the lives of others.

Critical thinking helps you cope with everyday problems as they arise.

It promotes independent thinking and strengthens your inner “BS detector.”

It helps you make sense of the glut of data and information available, making you a smarter consumer who is less likely to fall for advertising hype, peer pressure, or scams.

3. Critical Thinking Can Make You Happier

Knowing and understanding yourself is an underappreciated path to happiness. 

We’ve already shown how your quality of life largely depends on the quality of your decisions, but equally as important is the quality of your thoughts.

Critical thinking is an excellent tool to help you better understand yourself and to learn to master your thoughts.

You can use critical thinking to free yourself from cognitive biases, negative thinking , and limiting beliefs that are holding you back in any area of your life.

Critical thinking can help you assess your strengths and weaknesses so that you know what you have to offer others and where you could use improvement.

Critical thinking will enable you to better express your thoughts, ideas, and beliefs.

Better communication helps others to understand you better, resulting in less frustration for both of you.

Critical thinking fosters creativity and out-of-the-box thinking that can be applied to any area of your life.

It gives you a process you can rely on, making decisions less stressful.

4. Critical Thinking Ensures That Your Opinions Are Well-Informed

We have access to more information than ever before .

Astoundingly, more data has been created in the past two years than in the entire previous history of mankind. 

Critical thinking can help you sort through the noise.

American politician, sociologist, and diplomat Daniel Patrick Moynihan once remarked , “You are entitled to your opinion. But you are not entitled to your own facts.” 

Critical thinking ensures your opinions are well-informed and based on the best available facts.

You’ll get a boost in confidence when you see that those around you trust your well-considered opinions.

5. Critical Thinking Improves Relationships

You might be concerned that critical thinking will turn you into a Spock-like character who is not very good at relationships.

But, in fact, the opposite is true.

Employing critical thinking makes you more open-minded and better able to understand others’ points of view.

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Critical thinkers are more empathetic and in a better position to get along with different kinds of people.

Critical thinking keeps you from jumping to conclusions.

You can be counted on to be the voice of reason when arguments get heated.

You’ll be better able to detect when others:

  • are being disingenuous
  • don’t have your best interests at heart
  • try to take advantage of or manipulate you

6. Critical Thinking Makes You a Better, More Informed Citizen

“An educated citizenry is a vital requisite for our survival as a free people.”

This quote has been incorrectly attributed to Thomas Jefferson , but regardless of the source, these words of wisdom are more relevant than ever. 

Critical thinkers are able to see both sides of any issue and are more likely to generate bipartisan solutions.

They are less likely to be swayed by propaganda or get swept up in mass hysteria.

They are in a better position to spot fake news when they see it.

5 Steps to Improve Your Critical Thinking Skills

Some people already have well-developed critical thinking skills.

These people are analytical, inquisitive, and open to new ideas.

And, even though they are confident in their own opinions, they seek the truth, even if it proves their existing ideas to be wrong.

They are able to connect the dots between ideas and detect inconsistencies in others’ thinking.

But regardless of the state of your critical thinking skills today, it’s a skill set you can develop.

While there are many techniques for thinking rationally, here’s a classic 5-step critical thinking process . 

How to Improve Your Critical Thinking Skills

Clearly define your question or problem.

This step is so important that Albert Einstein famously quipped:

“If I had an hour to solve a problem, I’d spend 55 minutes thinking about the problem and 5 minutes thinking about solutions.”

Gather Information to Help You Weigh the Options

Consider only the most useful and reliable information from the most reputable sources.

Disregard the rest.

Apply the Information and Ask Critical Questions

Scrutinize all information carefully with a skeptic’s eye.

Not sure what questions to ask?

You can’t go wrong starting with the “5 Ws” that any good investigator asks: Who? What? Where? When? Why?

Then finish by asking “How?”

You’ll find more thought-provoking questions on this Critical Thinking Skills Cheatsheet .

Consider the Implications

Look for potential unintended consequences.

Do a thought experiment about how your solution could play out in both the short term and the long run.

Explore the Full Spectrum of Viewpoints

Examine why others are drawn to differing points of view.

This will help you objectively evaluate your own viewpoint.

You may find critical thinkers who take an opposing view and this can help you find gaps in your own logic.

Watch the Video

This TED-Ed video on YouTube elaborates on the five steps to improve your critical thinking.

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  • Improve your mental clarity and focus.
  • Boost your memory and your ability to learn.
  • Increase your capacity to think critically, solve problems, and make decisions.

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  • How to apply critical thinking in learning

Sometimes your university classes might feel like a maze of information. Consider critical thinking skills like a map that can lead the way.

Why do we need critical thinking?  

Critical thinking is a type of thinking that requires continuous questioning, exploring answers, and making judgments. Critical thinking can help you: 

  • analyze information to comprehend more thoroughly
  • approach problems systematically, identify root causes, and explore potential solutions 
  • make informed decisions by weighing various perspectives 
  • promote intellectual curiosity and self-reflection, leading to continuous learning, innovation, and personal development 

What is the process of critical thinking? 

1. understand  .

Critical thinking starts with understanding the content that you are learning.

This step involves clarifying the logic and interrelations of the content by actively engaging with the materials (e.g., text, articles, and research papers). You can take notes, highlight key points, and make connections with prior knowledge to help you engage.

Ask yourself these questions to help you build your understanding:  

  • What is the structure?
  • What is the main idea of the content?  
  • What is the evidence that supports any arguments?
  • What is the conclusion?

2. Analyze  

You need to assess the credibility, validity, and relevance of the information presented in the content. Consider the authors’ biases and potential limitations in the evidence. 

Ask yourself questions in terms of why and how:

  • What is the supporting evidence?  
  • Why do they use it as evidence?   
  • How does the data present support the conclusions?  
  • What method was used? Was it appropriate?  

 3.  Evaluate   

After analyzing the data and evidence you collected, make your evaluation of the evidence, results, and conclusions made in the content.

Consider the weaknesses and strengths of the ideas presented in the content to make informed decisions or suggest alternative solutions:

  • What is the gap between the evidence and the conclusion?  
  • What is my position on the subject?  
  • What other approaches can I use?  

When do you apply critical thinking and how can you improve these skills?   

1. reading academic texts, articles, and research papers.

  • analyze arguments
  • assess the credibility and validity of evidence
  • consider potential biases presented
  • question the assumptions, methodologies, and the way they generate conclusions

2. Writing essays and theses

  • demonstrate your understanding of the information, logic of evidence, and position on the topic
  • include evidence or examples to support your ideas
  • make your standing points clear by presenting information and providing reasons to support your arguments
  • address potential counterarguments or opposing viewpoints
  • explain why your perspective is more compelling than the opposing viewpoints

3. Attending lectures

  • understand the content by previewing, active listening , and taking notes
  • analyze your lecturer’s viewpoints by seeking whether sufficient data and resources are provided
  • think about whether the ideas presented by the lecturer align with your values and beliefs
  • talk about other perspectives with peers in discussions

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‘What does the term Critical Thinking mean to you?’ A qualitative analysis of chemistry undergraduate, teaching staff and employers' views of critical thinking

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First published on 13th February 2017

Good critical thinking is important to the development of students and a valued skill in commercial markets and wider society. There has been much discussion regarding the definition of critical thinking and how it is best taught in higher education. This discussion has generally occurred between philosophers, cognitive psychologists and education researchers. This study examined the perceptions around critical thinking of 470 chemistry students from an Australian University, 106 chemistry teaching staff and 43 employers of chemistry graduates. An open-ended questionnaire was administered to these groups, qualitatively analysed and subsequently quantified. When asked to define critical thinking respondents identified themes such as ‘analysis’, ‘critique’, ‘objectivity’, ‘problem solving’, ‘evaluate’ and ‘identification of opportunities and problems’. Student respondents described the smallest number of themes whereas employers described the largest number of themes. When asked where critical thinking was developed during the study of chemistry students overwhelmingly described practical environments and themes around inquiry-based learning. When teaching staff were asked this question they commonly identified critiques, research, projects and practical environments to some extent. This research highlights that there is only limited shared understanding of the definition of critical thinking and where it is developed in the study of chemistry. The findings within this article would be of interest to higher education teaching practitioners of science and chemistry, those interested in development of graduate attributes and higher order cognitive skills (HOCS) and those interested in the student and employer perspectives.

Introduction

As the need for innovation, and anticipating and leading change continues to grow, employers recognise the importance of critical thinking and critical reflection ( Desai et al. , 2016 ). It has become an expectation that graduates are able to demonstrate a range of transferable skills such as critical thinking ( Lowden et al. , 2011 ). In a survey of 400 US employers, 92% of respondents rated critical thinking as ‘important’ or ‘very important’ in an undergraduate degree and the fifth most applied skill in the work place ( Jackson, 2010a ).

A recent study commissioned by the Office of the Chief Scientist of Australia surveyed 1065 employers representing a range of industries ( Prinsley and Baranyai, 2015 ). Over 80% of respondents indicated critical thinking as ‘important’ or ‘very important’ as a skill or attribute in the workplace. Critical thinking was considered the second most important skill or attribute behind active learning. In 2012 Graduate Careers Australia found that of the 45% of chemistry graduates available for full-time or part-time employment, only 66% had obtained employment in a chemistry related field ( Graduate Careers Australia, 2015 ). These findings suggest that skills which may be transferable to a range of employment settings, such as critical thinking, are worthwhile developing at the tertiary level.

The definition of critical thinking

The report concluded that a person who exhibits good critical thinking is in possession of a series of cognitive skills and dispositions. The consensus of the Delphi experts was that a good critical thinker is proficient in the skills of interpretation, analysis, evaluation, inference, explanation and self-regulation ( Facione, 1990 ). Furthermore, the report stated that a good critical thinker demonstrates a series of dispositions which is required for the individual to utilise the aforementioned skills. According to the report a ‘good critical thinker, is habitually disposed to engage in, and to encourage others to engage in, critical judgement’ ( Facione, 1990 , p. 12). These dispositions were later categorised into inquisitiveness, open-mindedness, systematicity, analyticity, truth seeking, critical thinking self-confidence and maturity ( Facione, 1990 ).

Cognitive psychology and education research take a more evidence based approach to defining critical thinking and the skills and dispositions that it encompasses. The term critical thinking itself is often used to describe a set of cognitive skills, strategies or behaviours that increase the likelihood of a desired outcome ( Halpern, 1996 ; Tiruneh et al. , 2014 ). Dressel and Mayhew (1954) suggested it is educationally useful to define critical thinking as the sum of specific behaviours which could be observed from student acts. These critical thinking abilities are identifying central issues, recognising underlying assumptions, evaluating evidence or authority and drawing warranted conclusions.

Psychologists typically explored and defined critical thinking via a series of reasoning schemas; conditional reasoning, statistical reasoning, methodological reasoning and verbal reasoning ( Nisbett et al. , 1987 ; Lehman and Nisbett, 1990 ). Halpern (1993) refined the cognitive psychologists' definition of critical thinking as the thinking required to solve problems, formulate inferences, calculate likelihoods and make decisions. Halpern listed a series of skills and dispositions required for good critical thought. Those skills are verbal reasoning, argument analysis, thinking as hypothesis testing, understanding and applying likelihood, uncertainty and probability, decision making and problem solving ( Halpern, 1998 ). The dispositions Halpern described are a willingness to engage and persist with complex tasks, habitually planning and resisting impulsive actions, flexibility or open-mindedness, a willingness to self-correct and abandon non-productive strategies and an awareness of the social context for thoughts to become actions ( Halpern, 1998 ). Glaser (1984) further elaborated on the awareness of context to suggest that critical thinking requires proficiency in metacognition.

In the case of science education there is often an emphasis of critical thinking as a skill set ( Bailin, 2002 ). There are concerns that from a pedagogical perspective many of the skills or processes commonly ascribed as part of critical thinking are difficult to observe and therefore difficult to assess. Consequently, Bailin suggests that the concept of critical thinking should explicitly focus on adherence to criteria and standards to reflect ‘good’ critical thinking ( Bailin, 2002 , p. 368).

Recent literature has lent evidence to the notion that there are several useful definitions of critical thinking of equally valuable meaning ( Moore, 2013 ). The findings of this work identified themes such as ‘critical thinking: as judgement; as scepticism; as originality; as sensitive reading; or as rationality.’ The emphasis with which these themes were used was dependent on the teaching practitioners' context.

Can critical thinking be taught?

In later years cognitive psychology leant evidence to the argument that critical thinking could be developed within a specific discipline and those reasoning skills were, at least to some degree, transferable to situations encountered in daily life ( Lehman et al. , 1988 ; Lehman and Nisbett, 1990 ). This led to a more pragmatic view that the best critical thinking occurs within ones area of expertise, termed domain specificity ( Ennis, 1990 ), however critical thinking can still be effectively developed with or without content specific knowledge ( McMillan, 1987 ; Ennis, 1989 ). However the debate regarding the dependence of content specific knowledge in the development of critical thinking continues to be discussed ( Moore, 2011 ; Davies, 2013 ).

Attempts to teach critical thinking are common in the chemistry education literature. These range from writing exercises ( Oliver-Hoyo, 2003 ; Martineau and Boisvert, 2011 ; Stephenson and Sadler-Mcknight, 2016 ), inquiry-based projects ( Gupta et al. , 2015 ), flipped lectures ( Flynn, 2011 ) and open-ended practicals ( Klein and Carney, 2014 ) to gamification ( Henderson, 2010 ) and work integrated learning (WIL) ( Edwards et al. , 2015 ). While this literature captures that critical thinking is being developed, it seldom discusses the perception of the students.

This study aimed to identify the perceptions of critical thinking of chemistry students, teaching staff and employers. The study investigated how each of these groups define critical thinking and where students and teaching staff believed critical thinking was developed during the study of chemistry.

Data collection instrument

A similar questionnaire was administered in hard copy to the teaching associates (TAs) and academics within the School of Chemistry at Monash University and via an online format to a different cohort from a range of institutions. The questionnaire consisted of items asking participants to identify teaching activities undertaken within the previous year, and at which year levels they taught these activities. They were asked open-ended questions which aligned with the student questionnaire: ‘What does the term “Critical Thinking” mean to you?’ (Q1) and ‘Can you provide an example of when you have provided students with the opportunity to develop their critical thinking while studying chemistry?’ (Q2b).

Employers were contacted directly via email and provided with a link to an online questionnaire. The questionnaire consisted of four open-ended question: ‘What does the term “Critical Thinking” mean to you?’ (Q1) and three demographic questions regarding which country the participant's organisation was based, which sector their business was in and the highest qualification the participant held.

Student participants

The second year cohort consisted of 359 students from Synthetic Chemistry I, a course focused on organic and inorganic synthetic techniques from practical and theoretical perspectives. This course is a core unit for any student pursing a chemistry major. Participants were provided with the questionnaire at the end of a practical session during the first two weeks of semester one. The practical activity conducted within this time was known to typically only take students three of the four hours allocated to the practical session. As the activity was a compulsory part of the course, and given it was an essential part of the chemistry major, this cohort could be considered a representative random sample of second year chemistry major students.

Finally, the third year cohort was drawn from 84 students studying Advanced Inorganic Chemistry. This course builds on the theoretical knowledge and practical skills developed in Synthetic Chemistry I, focusing specifically on inorganic chemistry. Typically students completing a chemistry major undertook this unit but alternative courses were available. Participants were provided with the questionnaire during practical sessions in the first four weeks of semester and encouraged to complete it during the session. Since the activities in these sessions were very demanding and time was generally scarce for these students the sampling was regarded as convenient. Furthermore as not all chemistry majors may have undertaken Advanced Inorganic Chemistry the data obtained from this cohort may be non-representative.

Teaching staff participants

A senior TAs and academics cohort consisted of academic staff and TAs with several years teaching experience. These academics and senior TAs typically taught chemistry courses other than Chemistry I or Advanced Chemistry I. 12 individuals were approached during semester one of 2015 and were advised to return the questionnaire via unlabelled internal mail.

Finally an online academic cohort consisted of around 300 members of a chemistry education email discussion group predominately from the UK and Europe. These participants received a link to an online version of the questionnaire sent via a third party.

All TAs and academic staff were advised their participation was voluntary and they could opt out by not completing the questionnaire in accordance with MUHREC regulations. All senior TAs, academics and online academics were previously known to highly value the scholarship of teaching thus increasing the likelihood of their participation. Consequently this would be considered a non-representative and convenient sample of experienced teaching staff.

Employer participants

Research theoretical framework.

The data was analysed qualitatively and the next stage involved quantification of that qualitative analysis. The qualitative data was analysed with no prior assumptions regarding the number of ways in which individuals may think about critical thinking. The qualitative analysis was then quantified to identify whether there were any common ways in which individuals experienced critical thinking. The nature of these commonalities was not assumed however a retrospective comparison with the literature informed the inferences drawn from the data.

Data analysis

The questionnaire data for each cohort was imported into Nvivo as seven separate ‘sources’: first year students (A), second year students (B), third year students (C), TAs (D), senior TAs and academics (E), online academics (F) and employers (G). These cohorts were then merged into three major groups. Students, consisting of A, B and C, teaching staff consisting of D, E and F and employers (G).

Six chemistry education researchers working within the Chemistry Education Research Group (CERG) at Monash University were provided a random selection of 10% of all responses to Q1 and Q2a/Q2b. They were asked to identify key words suggesting emergent themes in each question and from these emergent themes ‘codes’ were generated by the primary researcher for participants' responses ( Bryman and Burgess, 1994 ). Having reviewed the data once, the responses were studied in greater detail to determine whether there were any hidden themes which the initial analysis failed to identify. A third review of the emergent themes within each question was conducted and using a redundancy approach similar themes were combined. This resulted in 21 unique themes for Q1 and 19 unique themes for Q2a/Q2b to used in coding all responses.

The data from the emergent themes of each question was then analysed quantitatively. To determine the number of participants within each group describing a specific theme, the total number of responses within each theme per group was determined using Nvivo's ‘Matrix Coding’ function. This data was exported to Microsoft Excel and the number of participants describing a specific theme within each group was then expressed as a percentage. This percentage was determined using the number of responses for a theme within a group divided by the total number of participants who answered a given question from that group. These percentages were then presented graphically.

Table 1 shows the gender distribution and median age of students who chose to provide this data. As can be seen, there is a slightly larger population of male students, by 12%. The median age of students is 19 years old which is the typical age of most first or second year Australian undergraduate university students.

Table 2 shows the teaching activities and year levels taught by the various cohorts within the teaching staff group. Respondents were able to select multiple teaching activities and year levels taught. The TA cohort typically taught first year laboratory sessions whereas senior TAs and academics all taught at various year levels via laboratory, tutorial and lecture activities.

Table 3 provides the demographic data for employers. The respondents' main offices were predominantly found in Australia and the respondents themselves generally had a tertiary level qualification, with 40% of respondents holding a PhD. The most common sector in which respondents worked were chemical, pharmaceutical or petrochemicals (16%). There was also a reasonable representation of respondents from development, innovation or manufacturing (12%), life sciences (14%) and government (12%).

The 21 themes generated in response to the question: ‘What does the term “Critical Thinking” mean to you?’ (Q1) can be found in Table 4 along with a definition and brief quote to illustrate the meaning attributed to these themes. The quantitative analysis found in Fig. 1 describes the frequency with which each of these themes was expressed by students, teaching staff and employers.

It is important to note that a single response may be coded to multiple themes or in some instances none at all. Table 5 provides a breakdown of how many responses contain a given number of themes. For example 87 responses from the first year cohort contain only a single theme whereas 11 responses from employers contain three themes. The mean number of themes per response or coding density was determined for each cohort and each group. Students described a mean value of 1.73 themes per response, teaching staff described an average of 2.75 themes per response and employers described 3.98 themes per response.

In response to the question; ‘Can you provide an example of when you have had the opportunity to develop your critical thinking while studying chemistry?’ (Q2a) or ‘Can you provide an example of when you have provided students with the opportunity to develop their critical thinking while studying chemistry?’ (Q2b) 19 themes were generated. Table 6 contains these themes, their definitions and brief excerpts to convey the meaning attributed to these themes. The quantitative analysis found in Fig. 2 describes the frequency with which each of these themes was expressed in student and teaching staff responses.

Once again a single response could be coded to multiple themes or none at all. Table 7 shows how many responses contained a given number of themes. For example 108 first year responses were coded to a single theme compared to only two Senior TA/Academic responses. Students described an average of 1.32 themes per response and teaching staff described an average of 2.25 themes per response.

Data representation and limitations

A similar pattern of coding density can be observed between TAs (D) versus Senior TAs and Academics (E), Online Academics (F) and Employers (G). It would appear that those participants who were approached directly or online made a concerted effort to respond to the questions as can be seen in Tables 5 and 7 , where at least 3 themes were typically described by cohorts E, F and G. Again it is worth considering the experience that cohort D have with critical thinking. The majority of this cohort were on semester long contracts and only had teaching experience in a first year laboratory environment ( Table 2 ). It is possible these participants may not exercise their critical thinking skills as frequently as academics who routinely engage in activities such as peer reviewing journal submissions which exercise these skills more frequently. This aligns with the constructivist notion that an individual creates their meaning of a given construct from their environment ( Lemanski and Overton, 2011 ) and in this research how the participants believe that construct is applied in their daily lives.

With respect to demographic data, there was a slightly larger representation of students identifying as male compared to female. This was observed in all student cohorts, however it is important to note that there was slightly larger number of female students enrolled in chemistry at Monash University as compared to male students. As can be seen from Table 1 , the median age for students was nineteen years old. This value was skewed slightly as a result of such large numbers of respondents from first and second year cohorts.

Larger samples of first and second year students and first year TAs were obtained due to the environments in which the questionnaire was conducted (namely compulsory laboratory sessions). Aside from the slightly larger number of male student respondents, there can be some confidence that the data obtained is representative of a random sample of the respective cohorts and the findings may be generalizable.

Obtaining data from senior TAs, academics and employers was far more difficult and consequently the data collected was more reflective of non-representative convenience sampling. Therefore, the findings herein may have limited generalisability with respect to senior TAs, academics and employers.

Defining critical thinking

The theme ‘analysis’ was frequently expressed by all groups (students, teaching staff and employers). At least 20% of all responses identified analysis as part of the meaning of critical thinking. In the case of the student group it was, in fact, the most common theme, with just over 25% of respondents using it to define critical thinking. The term analysis or analysing was commonly used to describe interaction with some sort intellectual stimulus, whether it be an idea, data or a problem. Many responses referred to ‘analysing something’ to suggest a breath of critical thinking.

Students strongly identified with three other themes: ‘critique’, ‘objectivity’ and ‘problem solving’. Problem solving was the second most commonly expressed theme by student respondents with just over 23% of responses describing it. The link between critical thinking and problem solving appears to be a common association made by students ( Tapper, 2004 ). Critique and objectivity were identified in approximately 17% of responses. The relatively smaller number of themes described by students is not altogether surprising as other qualitative studies have shown students often have difficultly conceptualising critical thinking ( Duro et al. , 2013 ).

Teaching staff most commonly described the themes ‘critique’ (40%) and ‘evaluate’ (42%) when defining critical thinking. In other recent studies a similar emphasis on interpreting information via analysis and evaluation was also observed ( Duro et al. , 2013 ; Desai et al. , 2016 ). Teaching staff were much more goal orientated than students with 28% of responses describing ‘arriving at an outcome’. Outcomes were very task orientated a kin to Barnett's (1997) ‘critical being’, either developing a plan relating to experimental design or arriving at a conclusion as a result of experimental data. For example:

“The ability to examine evidence, come to a conclusion based on that evidence…”

Teaching staff also commonly described the themes ‘application of knowledge’, ‘logical approach’, ‘objectivity’ and ‘problem solving’ in approximately 20% of responses. It is worth noting that students and teaching staff express the theme of ‘objectivity’ with similar frequencies (18% and 19%, respectively). Of all three groups, teaching staff use the theme of problem solving the least when defining critical thinking (18%). While only 14% of teaching staff respondents described the theme of ‘interpreting information’ the value of this as being part of critical thinking was higher than with the student (11%) and employer (9%) groups.

As can be seen from Table 5 employers typically described the largest number themes in their responses. ‘Problem solving’ was the most common theme expressed by over 44% of employers. Employers were goal orientated much like teaching staff, commonly describing themes of ‘application of knowledge’ (19%), ‘objectivity’ (30%), ‘logical approach’ (21%), ‘evaluate’ (30%) and ‘arriving at an outcome’ (33%). Arriving at an outcome contained a wide breadth of examples in employer responses. However, there was some focus on using evidence to inform a conclusion which would lead to a course of action for the organisation to take:

“…a necessary approach to solving or answering problems, developing a product or process.”

Employers expressed four themes unique to their group: ‘context (macro)’ (12%), ‘creative’ (19%), ‘systematic approach’ (21%) and ‘identification of opportunities and problems’ (35%). The latter focused on the use of critical thinking as a method of uncovering what is not immediately apparent:

“To consider the problem to expose route cause(s) in a rationale and logical manner and apply lateral thinking to seek solutions to the problem.”

The above response also includes in its definition of critical thinking;

“The ability of a person to identify a problem that does not have a readily available or off the shelf solution.”

This is an excellent example of responses identifying creativity in conjunction with the theme of problem identification. The general sentiment of employers was that critical thinking is important to innovation within the organisation and is suggestive of what Jackson (2010b) refers to as ‘Pro-c creativity’ or the creativity associated within a professional environment.

Furthermore, employers were unique in describing critical thinking with the theme of ‘context (macro)’. What this theme references is that employers identified the application of critical thinking on a much broader social scale. For example:

“…understand the implications from an organisational perspective.”

“…collaborating the thoughts and views of others to gain a clearer insight of the real challenge.”

Employers acknowledged that the results of critical thinking can have an impact in commercial and societal contexts. While students and teaching staff have a somewhat more internalised definition of critical thinking, employers appear to have a more social application of critical thinking as seen in some the literature ( Desai et al. , 2016 ).

One of the most interesting features of this data was that the terms ‘judgement’ and ‘inference’, found in the Delphi definition of critical thinking ( Facione, 1990 ), were seldom used by respondents. In fact below are the only two student responses to use the term ‘judgement’:

“Not taking things at face value and giving topics considerable thought and analysis before coming to a conclusion/judgement on it.” – First year respondent

“Analysis of a problem to make a judgement.” – Second year respondent

It is worth noting that a similar minority of respondents used the term ‘opinion’ in their definition of critical thinking;

“Ability to objectively analyse, process and form an opinion of a particular subject.”

And a slightly larger number of respondents used the term ‘conclusion’:

“A skill to understand a thing more clearly and make conclusion.”

When the Delphi report describes core critical thinking skills the terms ‘judgement’ and ‘opinion’ are used somewhat synonymously. Similarly, ‘drawing conclusions’ is explicitly stated as a sub skill of the skill of ‘inference’ ( Facione, 1990 , p. 10). This suggests that a larger number of respondents using ‘opinion’ or ‘conclusion’ may in fact be referencing the terms ‘judgement’ or ‘inference’. However without further probing what respondents mean by ‘conclusion’ or ‘opinion’ this is not a certainty.

There is also very little emphasis around self-regulation or the metacognitive processes typically associated with ‘good’ critical thinking ( Glaser, 1984 ; Bailin, 2002 ). Perhaps this is implied when respondents described the theme of ‘objectivity’:

“Thinking about situations with an open view point and analysing what you're doing.”

What is very clear from this data is the emphasis on problem solving in the definition of critical thinking. This was a very prominent feature of the data from students and employers. With respect to the students this may be due to the perception that scientific facts are unquestionable and the algorithmic problem solving pedagogies commonly employed in science education ( Zielinski, 2004 ; DeWit, 2006 ; Cloonan and Hutchinson, 2011 ). This feature of the data was slightly less common in teaching staff, but it was very prominent with employers. This might be due to the fact that employers are typically adept at reflecting on open-ended problems and identifying any parameters or approximations required ( Randles and Overton, 2015 ). This experience with open-ended problems may also explain the description of the theme of ‘identification of problems and opportunities’ which was somewhat unique to employers.

Interestingly the Delphi report does not consider problem solving an element of critical thinking. Instead it proposes problem solving and critical thinking are ‘closely related forms of higher-order thinking’ ( Facione, 1990 , p. 5). Similarly Halpern suggests that certain behaviours are associated with critical thinking or problem solving but that these higher order cognitive skills are not mutually exclusive ( Halpern, 1996 , pp. 317–363). This cognitive psychology view is more reflective of the data that has emerged from respondents in this study which might otherwise be considered misconceptions with respect to critical thinking.

Regardless of this interpretation, it would be interesting to ask students, teachers and professionals from other disciplines to define critical thinking. It is quite possible that an emphasis on judgement may occur in humanities, commerce or arts and perhaps there would be less use of the theme of problem solving. For example when a group of business academics were asked to describe which critical thinking skills were important to graduates entering the workforce within their discipline, 47% of responses described problem solving and 34% of responses described analysis ( Desai et al. , 2016 ).

The other interesting feature of this data are the points of difference between groups and what these may be attributed to. For example teaching staff emphasised the themes of ‘critique’ and ‘evaluate’. A common aspect of an academics role is to be involved in peer review and academic writing so it is not surprising that these themes arise so frequently. Likewise employers' frequency of themes around identification, innovation and context are reflective of a competitive commercial environment. Given the respondents association between critical thinking and problem solving, these perceptions around evaluation and identifying problems could also be a reflection of behaviours typical of expert open-ended problem solvers ( Randles and Overton, 2015 ). Both employers and teaching staff have a goal oriented definition of critical thinking which may be a product of maturity and/or their exposure to professional environments. Again this may be an example of constructivism ( Lemanski and Overton, 2011 ).

As can be seen in Table 8 , all groups used themes around analysis, critiquing, objectivity and problem solving to define critical thinking. In addition teaching staff and employers use themes relating to the application of knowledge, arriving at an outcome, evaluation and using a logical approach. Employers further expand on their definition to include themes regarding creativity, considering the broader context, taking a systematic approach and identifying opportunities and problems. These themes regarding the definition of critical thinking can be synthesised thus:

To analyse and critique objectively when solving a problem . – Students

To analyse, critique and evaluate through the logical and objective application of knowledge to arrive at an outcome when solving a problem . – Teaching staff

To analyse, critique and evaluate problems and opportunities through the logical, systematic, objective and creative application of knowledge so as to arrive at an outcome and recognise the large scale context in which these problems and opportunities occur . – Employers

While there are some similarities between the definitions of critical thinking it would be inaccurate to suggest that there is a shared definition. Furthermore, the depth to which critical thinking was defined appears to reflect the constructivist phenomena. Employers most commonly reflect definitions found in the literature ( Facione, 1990 ; Halpern, 1996 ; Tiruneh et al. , 2014 ). Employers appear to have a broader definition of critical thinking and this may be related to the fact that employers work in very broad contexts and a range of experiences, going beyond chemistry to deal with issues such as budgets, policies and human resources.

Where is critical thinking developed while studying chemistry at university?

With respect to the teaching staff, the wording of the question they received must be considered to put the responses in context: ‘Can you provide an example of when you have provided students with the opportunity to develop their critical thinking while studying chemistry?’ (Q2b) This wording elicited responses which were drawn from the respondents' recent teaching activities and may actually differ from where the respondent believes students develop their critical thinking most. For example many TAs from cohort A only have practical experience to draw on whereas cohorts B and C also have lecture and/or tutorial actives to base their response on ( Table 2 ). Conversely some respondents from cohorts B and C only had lecture or tutorial experience to draw on.

When asked to provide an example of where they believed they developed their critical thinking while studying chemistry, 45% of students identified an activity relating to a practical environment. The second most common theme was ‘inquiry based learning’ (17%). What was most interesting was that 36% of second year students and 14% of third year students specifically mentioned ‘IDEA pracs’. These practicals were guided inquiry activities the students performed as part of their first year laboratory program ( Rayner et al. , 2013 ). The fact that after two years in some cases students identified these activities demonstrates the effectiveness of inquiry-based learning in developing transferable skills such as critical thinking.

It is important to recognise that students do not identify activities that make the teaching of critical thinking explicit. Students in other studies identified courses around scientific communication as opportunities where critical thinking was explicitly taught ( Tapper, 2004 ). Beyond these courses, much like the students in the current study, the development of critical thinking became more implicit and students became dependent on feedback from writing activities ( Tapper, 2004 ; Duro et al. , 2013 ). It is clear from the literature, without a deliberate effort to make critical thinking goals explicit in discipline specific courses, students find it difficult to conceptualise, and perceive critical thinking as an intuitive skill that develops over time ( Tapper, 2004 ; Beachboard and Beachboard, 2010 ; Duro et al. , 2013 ; Loes et al. , 2015 ).

Teaching staff also identified practical environments (26%) as to when they developed students' critical thinking. However, four additional themes were also prominent in their responses: ‘application of knowledge’ (21%), ‘critique’ (33%), ‘project work’ (21%) and ‘research’ (19%). These themes are reflective of activities described in recent literature designed to elicit higher order cognitive skills ( Cowden and Santiago, 2016 ; Stephenson and Sadler-Mcknight, 2016 ; Toledo and Dubas, 2016 ). Critique activities ranged from critiquing experimental design to writing literature reviews:

“I may provide students with some experimental evidence and they need to evaluate whether these are consistent with specific mechanisms.”

“Choosing and researching a topic to conduct a literature review on. Writing a review to include critical appraisal of the information covered.”

“Research paper-based assessments in which students are asked to locate and extract information, analyse data and critically assess aspects of experimental design.”

“…paper analysis which requires use of many variables in understanding change factors and outcomes in reaction.”

The ‘application of knowledge’ most often described activities taking place predominantly in a lecture environment and in some instances in a practical environment. Themes of ‘project work’ and ‘research’ often described activities in practical environments. Many of these responses focus on final year research projects:

“Mainly this comes from the crucial role of the research project, generally in the final year of study when the student has had the opportunity to build up their knowledge base across a broad range of chemistry.”

The above statement would suggest that critical thinking can only be achieved with a solid foundation of discipline specific knowledge. While it holds true that an individual is a better critical thinker within their discipline specific knowledge ( McPeak, 1981 ; Moore, 2011 ) it is not true that a large body knowledge is a necessary prerequisite to develop critical thinking ( Ennis, 1989 ; Davies, 2013 ).

According to this data students and teaching staff have some limited agreement that critical thinking is developed in a practical environment. However, that is where the similarities end. Despite teaching staff believing that they develop critical thinking through the application of knowledge this is not apparent to the students.

Implications for practice

Teaching staff commonly acknowledge that students develop their critical thinking in active environments in accordance with the literature ( Biggs, 2012 ). However the research projects the respondents commonly describe are often elective subjects or offered as vacation internships, the numbers of which are limited and will only become scarcer as student numbers continue to grow. It would be useful to determine if teaching staff believed project work is an opportunity to measure student critical thinking or whether it is better measured via other activities (if at all) and compare this to the literature ( Desai et al. , 2016 ).

A recent meta-analysis would suggest, a combination of teaching activities afford the greatest effect with respect to the development of critical thinking ( Abrami et al. , 2015 ). These teaching activities according to Abrami and colleagues are described as ‘authentic instruction’, ‘dialogue’ and ‘mentoring’. These findings are reflective of the present work where practical inquiry based learning, discussions and research projects were commonly described as opportunities to develop critical thinking. It is advisable for chemistry educators wishing to develop critical thinking in students that the activities described by students and teaching staff within this research form a foundation within their practice, emphasising authentic problem solving and Socratic dialogue ( Abrami et al. , 2015 ).

Future work

When asked to define critical thinking via an open ended questionnaire students, teaching staff and employers all described the themes of analysis, critique, objectivity and problem solving. Teaching staff and employers commonly expressed themes around evaluation, goal orientation and use of logic. Employers also believed creativity, larger scale contexts, taking a systematic approach and identifying of opportunities and problems are important aspects of critical thinking. This would suggest there is only a limited shared definition of critical thinking between students, teaching staff and employers which centres on analysis and problem solving.

In the same open ended questionnaire students and teaching staff described where they believed they developed student critical thinking. Overwhelmingly students described practical environments and inquiry based learning activities developed critical thinking. Teaching staff expressed themes around the application and critiquing of knowledge and to some extent practical environments and research projects. Again there appeared to be limited overlap between the perceptions of students and teaching staff and the need for more immersive student experiences, such as inquiry-based learning and work integrated learning ( Edwards et al. , 2015 ), is apparent in the development of transferable skills such as critical thinking.

If the workplace is expecting tertiary institutes to provide chemistry graduates for the workforce, a shared definition of critical thinking is imperative. However, there appears to be a somewhat limited shared understanding as to what critical thinking skills entail. If there are so many facets to critical thinking how can universities accommodate the development of these? Initiatives such work integrated learning ( Edwards et al. , 2015 ) aim to give students experience in commercial environments and perhaps in combination with inquiry-based pedagogies, a shared understanding of critical thinking and how to develop it can occur.

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  1. What Is Critical Thinking?

    Critical thinking is the ability to effectively analyze information and form a judgment. To think critically, you must be aware of your own biases and assumptions when encountering information, and apply consistent standards when evaluating sources. Critical thinking skills help you to: Identify credible sources. Evaluate and respond to arguments.

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    Critical thinking is beneficial for building relationships, starting or pivoting your career, or even just doing your everyday job. It's also a highly-sought-after skill in job seekers. "You want someone who has good critical thinking skills because they're not going to be an attention sponge," Muse career coach Yolanda Owens said ...

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