how to write an scientific essay

How to Write a Scientific Essay

When writing any essay it’s important to always keep the end goal in mind. You want to produce a document that is detailed, factual, about the subject matter and most importantly to the point.

Writing scientific essays will always be slightly different to when you write an essay for say English Literature . You need to be more analytical and precise when answering your questions. To help achieve this, you need to keep three golden rules in mind.

Analysing the question, so that you know exactly what you have to do

Planning your answer

Writing the essay

Now, let’s look at these steps in more detail to help you fully understand how to apply the three golden rules.

Analysing the question

Start by looking at the instruction. Essays need to be written out in continuous prose. You shouldn’t be using bullet points or writing in note form.
If it helps to make a particular point, however, you can use a diagram providing it is relevant and adequately explained.
Look at the topic you are required to write about. The wording of the essay title tells you what you should confine your answer to – there is no place for interesting facts about other areas.

The next step is to plan your answer. What we are going to try to do is show you how to produce an effective plan in a very short time. You need a framework to show your knowledge otherwise it is too easy to concentrate on only a few aspects.

For example, when writing an essay on biology we can divide the topic up in a number of different ways. So, if you have to answer a question like ‘Outline the main properties of life and system reproduction’

The steps for planning are simple. Firstly, define the main terms within the question that need to be addressed. Then list the properties asked for and lastly, roughly assess how many words of your word count you are going to allocate to each term.

Writing the Essay

The final step (you’re almost there), now you have your plan in place for the essay, it’s time to get it all down in black and white. Follow your plan for answering the question, making sure you stick to the word count, check your spelling and grammar and give credit where credit’s (always reference your sources).

How Tutors Breakdown Essays

An exceptional essay

reflects the detail that could be expected from a comprehensive knowledge and understanding of relevant parts of the specification
is free from fundamental errors
maintains appropriate depth and accuracy throughout
includes two or more paragraphs of material that indicates greater depth or breadth of study

A good essay

An average essay

contains a significant amount of material that reflects the detail that could be expected from a knowledge and understanding of relevant parts of the specification.

In practice this will amount to about half the essay.

is likely to reflect limited knowledge of some areas and to be patchy in quality
demonstrates a good understanding of basic principles with some errors and evidence of misunderstanding

A poor essay

contains much material which is below the level expected of a candidate who has completed the course
Contains fundamental errors reflecting a poor grasp of basic principles and concepts

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How to successfully write a scientific essay.

Posted by Cody Rhodes

If you are undertaking a course which relates to science, you are more or less apt to write an essay on science. You need to know how to write a science essay irrespective of whether your professor gives you a topic or you come up with one. Additionally, you need to have an end objective in mind. Writing a science essay necessitates that you produce an article which has all the details and facts about the subject matter and it ought to be to the point. Also, you need to know and understand that science essays are more or less different from other types of essays. They require you to be analytical and precise when answering questions. Hence, this can be quite challenging and tiresome. However, that should not deter you from learning how to write your paper. You can always inquire for pre-written research papers for sale from writing services like EssayZoo.

Also, you can read other people’s articles and find out how they produce and develop unique and high-quality papers. Moreover, this will help you understand how to approach your essays in different ways. Nonetheless, if you want to learn how to write a scientific paper in a successful manner, consider the following tips.

How to successfully write a scientific essay

Select a topic for your article Like any other type of essay, you need to have a topic before you start the actual writing process. Your professor or instructor may give you a science essay topic to write about or ask you to come up with yours. When selecting a topic for your paper, ensure that you choose one you can write about. Do not pick a complex topic which can make the writing process boring and infuriating for you. Instead, choose one that you are familiar with. Select a topic you will not struggle gathering information about. Also, you need to have an interest in it. If you are unable to come up with a good topic, trying reading other people’s articles. This will help you develop a topic with ease.

Draft a plan After selecting a topic, the next step is drafting a plan or an outline. An outline is fundamental in writing a scientific essay as it is the foundation on which your paper is built. Additionally, it acts as a road map for your article. Hence, you need to incorporate all the thoughts and ideas you will include in your essay in the outline. You need to know what you will include in the introduction, the body, and the conclusion. Drafting a plan helps you save a lot of time when writing your paper. Also, it helps you to keep track of the primary objective of your article.

Start writing the article After drafting a plan, you can begin the writing process. Writing your paper will be smooth and easier as you have an outline which helps simplify the writing process. When writing your article, begin with a strong hook for your introduction. Dictate the direction your paper will take. Provide some background information and state the issue you will discuss as well as the solutions you have come up with. Arrange the body of your article according to the essay structure you will use to guide you. Also, ensure that you use transitory sentences to show the relationship between the paragraphs of your article. Conclude your essay by summarizing all the key points. Also, highlight the practical potential of our findings and their impacts.

Proofread and check for errors in the paper Before submitting or forwarding your article, it is fundamental that you proofread and correct all the errors that you come across. Delivering a paper that is full of mistakes can affect your overall performance in a negative manner. Thus, it is essential you revise your paper and check for errors. Correct all of them. Ask a friend to proofread your paper. He or she may spot some of the mistakes you did not come across.

In conclusion, writing a scientific essay differs from writing other types of papers. A scientific essay requires you to produce an article which has all the information and facts about the subject matter and it ought to be to the point. Nonetheless, the scientific essay formats similar to the format of any other essay: introduction, body, and conclusion. You need to use your outline to guide you through the writing process. To learn how to write a scientific essay in a successful manner, consider the tips above.

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Successful Scientific Writing and Publishing: A Step-by-Step Approach

John k. iskander.

1 Centers for Disease Control and Prevention, Atlanta, Georgia

Sara Beth Wolicki

2 Association of Schools and Programs of Public Health, Washington, District of Columbia

Rebecca T. Leeb

Paul z. siegel.

Scientific writing and publication are essential to advancing knowledge and practice in public health, but prospective authors face substantial challenges. Authors can overcome barriers, such as lack of understanding about scientific writing and the publishing process, with training and resources. The objective of this article is to provide guidance and practical recommendations to help both inexperienced and experienced authors working in public health settings to more efficiently publish the results of their work in the peer-reviewed literature. We include an overview of basic scientific writing principles, a detailed description of the sections of an original research article, and practical recommendations for selecting a journal and responding to peer review comments. The overall approach and strategies presented are intended to contribute to individual career development while also increasing the external validity of published literature and promoting quality public health science.

Introduction

Publishing in the peer-reviewed literature is essential to advancing science and its translation to practice in public health ( 1 , 2 ). The public health workforce is diverse and practices in a variety of settings ( 3 ). For some public health professionals, writing and publishing the results of their work is a requirement. Others, such as program managers, policy makers, or health educators, may see publishing as being outside the scope of their responsibilities ( 4 ).

Disseminating new knowledge via writing and publishing is vital both to authors and to the field of public health ( 5 ). On an individual level, publishing is associated with professional development and career advancement ( 6 ). Publications share new research, results, and methods in a trusted format and advance scientific knowledge and practice ( 1 , 7 ). As more public health professionals are empowered to publish, the science and practice of public health will advance ( 1 ).

Unfortunately, prospective authors face barriers to publishing their work, including navigating the process of scientific writing and publishing, which can be time-consuming and cumbersome. Often, public health professionals lack both training opportunities and understanding of the process ( 8 ). To address these barriers and encourage public health professionals to publish their findings, the senior author (P.Z.S.) and others developed Successful Scientific Writing (SSW), a course about scientific writing and publishing. Over the past 30 years, this course has been taught to thousands of public health professionals, as well as hundreds of students at multiple graduate schools of public health. An unpublished longitudinal survey of course participants indicated that two-thirds agreed that SSW had helped them to publish a scientific manuscript or have a conference abstract accepted. The course content has been translated into this manuscript. The objective of this article is to provide prospective authors with the tools needed to write original research articles of high quality that have a good chance of being published.

Basic Recommendations for Scientific Writing

Prospective authors need to know and tailor their writing to the audience. When writing for scientific journals, 4 fundamental recommendations are: clearly stating the usefulness of the study, formulating a key message, limiting unnecessary words, and using strategic sentence structure.

To demonstrate usefulness, focus on how the study addresses a meaningful gap in current knowledge or understanding. What critical piece of information does the study provide that will help solve an important public health problem? For example, if a particular group of people is at higher risk for a specific condition, but the magnitude of that risk is unknown, a study to quantify the risk could be important for measuring the population’s burden of disease.

Scientific articles should have a clear and concise take-home message. Typically, this is expressed in 1 to 2 sentences that summarize the main point of the paper. This message can be used to focus the presentation of background information, results, and discussion of findings. As an early step in the drafting of an article, we recommend writing out the take-home message and sharing it with co-authors for their review and comment. Authors who know their key point are better able to keep their writing within the scope of the article and present information more succinctly. Once an initial draft of the manuscript is complete, the take-home message can be used to review the content and remove needless words, sentences, or paragraphs.

Concise writing improves the clarity of an article. Including additional words or clauses can divert from the main message and confuse the reader. Additionally, journal articles are typically limited by word count. The most important words and phrases to eliminate are those that do not add meaning, or are duplicative. Often, cutting adjectives or parenthetical statements results in a more concise paper that is also easier to read.

Sentence structure strongly influences the readability and comprehension of journal articles. Twenty to 25 words is a reasonable range for maximum sentence length. Limit the number of clauses per sentence, and place the most important or relevant clause at the end of the sentence ( 9 ). Consider the sentences:

By using these tips and tricks, an author may write and publish an additional 2 articles a year.
An author may write and publish an additional 2 articles a year by using these tips and tricks.

The focus of the first sentence is on the impact of using the tips and tricks, that is, 2 more articles published per year. In contrast, the second sentence focuses on the tips and tricks themselves.

Authors should use the active voice whenever possible. Consider the following example:

Active voice: Authors who use the active voice write more clearly.
Passive voice: Clarity of writing is promoted by the use of the active voice.

The active voice specifies who is doing the action described in the sentence. Using the active voice improves clarity and understanding, and generally uses fewer words. Scientific writing includes both active and passive voice, but authors should be intentional with their use of either one.

Sections of an Original Research Article

Original research articles make up most of the peer-reviewed literature ( 10 ), follow a standardized format, and are the focus of this article. The 4 main sections are the introduction, methods, results, and discussion, sometimes referred to by the initialism, IMRAD. These 4 sections are referred to as the body of an article. Two additional components of all peer-reviewed articles are the title and the abstract. Each section’s purpose and key components, along with specific recommendations for writing each section, are listed below.

Title. The purpose of a title is twofold: to provide an accurate and informative summary and to attract the target audience. Both prospective readers and database search engines use the title to screen articles for relevance ( 2 ). All titles should clearly state the topic being studied. The topic includes the who, what, when, and where of the study. Along with the topic, select 1 or 2 of the following items to include within the title: methods, results, conclusions, or named data set or study. The items chosen should emphasize what is new and useful about the study. Some sources recommend limiting the title to less than 150 characters ( 2 ). Articles with shorter titles are more frequently cited than articles with longer titles ( 11 ). Several title options are possible for the same study ( Figure ).

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Two examples of title options for a single study.

Abstract . The abstract serves 2 key functions. Journals may screen articles for potential publication by using the abstract alone ( 12 ), and readers may use the abstract to decide whether to read further. Therefore, it is critical to produce an accurate and clear abstract that highlights the major purpose of the study, basic procedures, main findings, and principal conclusions ( 12 ). Most abstracts have a word limit and can be either structured following IMRAD, or unstructured. The abstract needs to stand alone from the article and tell the most important parts of the scientific story up front.

Introduction . The purpose of the introduction is to explain how the study sought to create knowledge that is new and useful. The introduction section may often require only 3 paragraphs. First, describe the scope, nature, or magnitude of the problem being addressed. Next, clearly articulate why better understanding this problem is useful, including what is currently known and the limitations of relevant previous studies. Finally, explain what the present study adds to the knowledge base. Explicitly state whether data were collected in a unique way or obtained from a previously unstudied data set or population. Presenting both the usefulness and novelty of the approach taken will prepare the reader for the remaining sections of the article.

Methods . The methods section provides the information necessary to allow others, given the same data, to recreate the analysis. It describes exactly how data relevant to the study purpose were collected, organized, and analyzed. The methods section describes the process of conducting the study — from how the sample was selected to which statistical methods were used to analyze the data. Authors should clearly name, define, and describe each study variable. Some journals allow detailed methods to be included in an appendix or supplementary document. If the analysis involves a commonly used public health data set, such as the Behavioral Risk Factor Surveillance System ( 13 ), general aspects of the data set can be provided to readers by using references. Because what was done is typically more important than who did it, use of the passive voice is often appropriate when describing methods. For example, “The study was a group randomized, controlled trial. A coin was tossed to select an intervention group and a control group.”

Results . The results section describes the main outcomes of the study or analysis but does not interpret the findings or place them in the context of previous research. It is important that the results be logically organized. Suggested organization strategies include presenting results pertaining to the entire population first, and then subgroup analyses, or presenting results according to increasing complexity of analysis, starting with demographic results before proceeding to univariate and multivariate analyses. Authors wishing to draw special attention to novel or unexpected results can present them first.

One strategy for writing the results section is to start by first drafting the figures and tables. Figures, which typically show trends or relationships, and tables, which show specific data points, should each support a main outcome of the study. Identify the figures and tables that best describe the findings and relate to the study’s purpose, and then develop 1 to 2 sentences summarizing each one. Data not relevant to the study purpose may be excluded, summarized briefly in the text, or included in supplemental data sets. When finalizing figures, ensure that axes are labeled and that readers can understand figures without having to refer to accompanying text.

Discussion . In the discussion section, authors interpret the results of their study within the context of both the related literature and the specific scientific gap the study was intended to fill. The discussion does not introduce results that were not presented in the results section. One way authors can focus their discussion is to limit this section to 4 paragraphs: start by reinforcing the study’s take-home message(s), contextualize key results within the relevant literature, state the study limitations, and lastly, make recommendations for further research or policy and practice changes. Authors can support assertions made in the discussion with either their own findings or by referencing related research. By interpreting their own study results and comparing them to others in the literature, authors can emphasize findings that are unique, useful, and relevant. Present study limitations clearly and without apology. Finally, state the implications of the study and provide recommendations or next steps, for example, further research into remaining gaps or changes to practice or policy. Statements or recommendations regarding policy may use the passive voice, especially in instances where the action to be taken is more important than who will implement the action.

Beginning the Writing Process

The process of writing a scientific article occurs before, during, and after conducting the study or analyses. Conducting a literature review is crucial to confirm the existence of the evidence gap that the planned analysis seeks to fill. Because literature searches are often part of applying for research funding or developing a study protocol, the citations used in the grant application or study proposal can also be used in subsequent manuscripts. Full-text databases such as PubMed Central ( 14 ), NIH RePORT ( 15 ), and CDC Stacks ( 16 ) can be useful when performing literature reviews. Authors should familiarize themselves with databases that are accessible through their institution and any assistance that may be available from reference librarians or interlibrary loan systems. Using citation management software is one way to establish and maintain a working reference list. Authors should clearly understand the distinction between primary and secondary references, and ensure that they are knowledgeable about the content of any primary or secondary reference that they cite.

Review of the literature may continue while organizing the material and writing begins. One way to organize material is to create an outline for the paper. Another way is to begin drafting small sections of the article such as the introduction. Starting a preliminary draft forces authors to establish the scope of their analysis and clearly articulate what is new and novel about the study. Furthermore, using information from the study protocol or proposal allows authors to draft the methods and part of the results sections while the study is in progress. Planning potential data comparisons or drafting “table shells” will help to ensure that the study team has collected all the necessary data. Drafting these preliminary sections early during the writing process and seeking feedback from co-authors and colleagues may help authors avoid potential pitfalls, including misunderstandings about study objectives.

The next step is to conduct the study or analyses and use the resulting data to fill in the draft table shells. The initial results will most likely require secondary analyses, that is, exploring the data in ways in addition to those originally planned. Authors should ensure that they regularly update their methods section to describe all changes to data analysis.

After completing table shells, authors should summarize the key finding of each table or figure in a sentence or two. Presenting preliminary results at meetings, conferences, and internal seminars is an established way to solicit feedback. Authors should pay close attention to questions asked by the audience, treating them as an informal opportunity for peer review. On the basis of the questions and feedback received, authors can incorporate revisions and improvements into subsequent drafts of the manuscript.

The relevant literature should be revisited periodically while writing to ensure knowledge of the most recent publications about the manuscript topic. Authors should focus on content and key message during the process of writing the first draft and should not spend too much time on issues of grammar or style. Drafts, or portions of drafts, should be shared frequently with trusted colleagues. Their recommendations should be reviewed and incorporated when they will improve the manuscript’s overall clarity.

For most authors, revising drafts of the manuscript will be the most time-consuming task involved in writing a paper. By regularly checking in with coauthors and colleagues, authors can adopt a systematic approach to rewriting. When the author has completed a draft of the manuscript, he or she should revisit the key take-home message to ensure that it still matches the final data and analysis. At this point, final comments and approval of the manuscript by coauthors can be sought.

Authors should then seek to identify journals most likely to be interested in considering the study for publication. Initial questions to consider when selecting a journal include:

Which audience is most interested in the paper’s message?
Would clinicians, public health practitioners, policy makers, scientists, or a broader audience find this useful in their field or practice?
Do colleagues have prior experience submitting a manuscript to this journal?
Is the journal indexed and peer-reviewed?
Is the journal subscription or open-access and are there any processing fees?
How competitive is the journal?

Authors should seek to balance the desire to be published in a top-tier journal (eg, Journal of the American Medical Association, BMJ, or Lancet) against the statistical likelihood of rejection. Submitting the paper initially to a journal more focused on the paper’s target audience may result in a greater chance of acceptance, as well as more timely dissemination of findings that can be translated into practice. Most of the 50 to 75 manuscripts published each week by authors from the Centers for Disease Control and Prevention (CDC) are published in specialty and subspecialty journals, rather than in top-tier journals ( 17 ).

The target journal’s website will include author guidelines, which will contain specific information about format requirements (eg, font, line spacing, section order, reference style and limit, table and figure formatting), authorship criteria, article types, and word limits for articles and abstracts.

We recommend returning to the previously drafted abstract and ensuring that it complies with the journal’s format and word limit. Authors should also verify that any changes made to the methods or results sections during the article’s drafting are reflected in the final version of the abstract. The abstract should not be written hurriedly just before submitting the manuscript; it is often apparent to editors and reviewers when this has happened. A cover letter to accompany the submission should be drafted; new and useful findings and the key message should be included.

Before submitting the manuscript and cover letter, authors should perform a final check to ensure that their paper complies with all journal requirements. Journals may elect to reject certain submissions on the basis of review of the abstract, or may send them to peer reviewers (typically 2 or 3) for consultation. Occasionally, on the basis of peer reviews, the journal will request only minor changes before accepting the paper for publication. Much more frequently, authors will receive a request to revise and resubmit their manuscript, taking into account peer review comments. Authors should recognize that while revise-and-resubmit requests may state that the manuscript is not acceptable in its current form, this does not constitute a rejection of the article. Authors have several options in responding to peer review comments:

Performing additional analyses and updating the article appropriately
Declining to perform additional analyses, but providing an explanation (eg, because the requested analysis goes beyond the scope of the article)
Providing updated references
Acknowledging reviewer comments that are simply comments without making changes

In addition to submitting a revised manuscript, authors should include a cover letter in which they list peer reviewer comments, along with the revisions they have made to the manuscript and their reply to the comment. The tone of such letters should be thankful and polite, but authors should make clear areas of disagreement with peer reviewers, and explain why they disagree. During the peer review process, authors should continue to consult with colleagues, especially ones who have more experience with the specific journal or with the peer review process.

There is no secret to successful scientific writing and publishing. By adopting a systematic approach and by regularly seeking feedback from trusted colleagues throughout the study, writing, and article submission process, authors can increase their likelihood of not only publishing original research articles of high quality but also becoming more scientifically productive overall.

Acknowledgments

The authors acknowledge PCD ’s former Associate Editor, Richard A. Goodman, MD, MPH, who, while serving as Editor in Chief of CDC’s Morbidity and Mortality Weekly Report Series, initiated a curriculum on scientific writing for training CDC’s Epidemic Intelligence Service Officers and other CDC public health professionals, and with whom the senior author of this article (P.Z.S.) collaborated in expanding training methods and contents, some of which are contained in this article. The authors acknowledge Juan Carlos Zevallos, MD, for his thoughtful critique and careful editing of previous Successful Scientific Writing materials. We also thank Shira Eisenberg for editorial assistance with the manuscript. This publication was supported by the Cooperative Agreement no. 1U360E000002 from CDC and the Association of Schools and Programs of Public Health. The findings and conclusions of this article do not necessarily represent the official views of CDC or the Association of Schools and Programs of Public Health. Names of journals and citation databases are provided for identification purposes only and do not constitute any endorsement by CDC.

The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions.

Suggested citation for this article: Iskander JK, Wolicki SB, Leeb RT, Siegel PZ. Successful Scientific Writing and Publishing: A Step-by-Step Approach. Prev Chronic Dis 2018;15:180085. DOI: https://doi.org/10.5888/pcd15.180085 .

Writing the Scientific Paper

When you write about scientific topics to specialists in a particular scientific field, we call that scientific writing. (When you write to non-specialists about scientific topics, we call that science writing.)

The scientific paper has developed over the past three centuries into a tool to communicate the results of scientific inquiry. The main audience for scientific papers is extremely specialized. The purpose of these papers is twofold: to present information so that it is easy to retrieve, and to present enough information that the reader can duplicate the scientific study. A standard format with six main part helps readers to find expected information and analysis:

Title--subject and what aspect of the subject was studied.
Abstract--summary of paper: The main reason for the study, the primary results, the main conclusions
Introduction-- why the study was undertaken
Methods and Materials-- how the study was undertaken
Results-- what was found
Discussion-- why these results could be significant (what the reasons might be for the patterns found or not found)

There are many ways to approach the writing of a scientific paper, and no one way is right. Many people, however, find that drafting chunks in this order works best: Results, Discussion, Introduction, Materials & Methods, Abstract, and, finally, Title.

The title should be very limited and specific. Really, it should be a pithy summary of the article's main focus.

"Renal disease susceptibility and hypertension are under independent genetic control in the fawn hooded rat"
"Territory size in Lincoln's Sparrows ( Melospiza lincolnii )"
"Replacement of deciduous first premolars and dental eruption in archaeocete whales"
"The Radio-Frequency Single-Electron Transistor (RF-SET): A Fast and Ultrasensitive Electrometer"

This is a summary of your article. Generally between 50-100 words, it should state the goals, results, and the main conclusions of your study. You should list the parameters of your study (when and where was it conducted, if applicable; your sample size; the specific species, proteins, genes, etc., studied). Think of the process of writing the abstract as taking one or two sentences from each of your sections (an introductory sentence, a sentence stating the specific question addressed, a sentence listing your main techniques or procedures, two or three sentences describing your results, and one sentence describing your main conclusion).

Example One

Hypertension, diabetes and hyperlipidemia are risk factors for life-threatening complications such as end-stage renal disease, coronary artery disease and stroke. Why some patients develop complications is unclear, but only susceptibility genes may be involved. To test this notion, we studied crosses involving the fawn-hooded rat, an animal model of hypertension that develops chronic renal failure. Here, we report the localization of two genes, Rf-1 and Rf-2 , responsible for about half of the genetic variation in key indices of renal impairment. In addition, we localize a gene, Bpfh-1 , responsible for about 26% of the genetic variation in blood pressure. Rf-1 strongly affects the risk of renal impairment, but has no significant effect on blood pressure. Our results show that susceptibility to a complication of hypertension is under at least partially independent genetic control from susceptibility to hypertension itself.

Brown, Donna M, A.P. Provoost, M.J. Daly, E.S. Lander, & H.J. Jacob. 1996. "Renal disease susceptibility and hypertension are under indpendent genetic control in the faun-hooded rat." Nature Genetics , 12(1):44-51.

Example Two

We studied survival of 220 calves of radiocollared moose ( Alces alces ) from parturition to the end of July in southcentral Alaska from 1994 to 1997. Prior studies established that predation by brown bears ( Ursus arctos ) was the primary cause of mortality of moose calves in the region. Our objectives were to characterize vulnerability of moose calves to predation as influenced by age, date, snow depths, and previous reproductive success of the mother. We also tested the hypothesis that survival of twin moose calves was independent and identical to that of single calves. Survival of moose calves from parturition through July was 0.27 ± 0.03 SE, and their daily rate of mortality declined at a near constant rate with age in that period. Mean annual survival was 0.22 ± 0.03 SE. Previous winter's snow depths or survival of the mother's previous calf was not related to neonatal survival. Selection for early parturition was evidenced in the 4 years of study by a 6.3% increase in the hazard of death with each daily increase in parturition date. Although there was no significant difference in survival of twin and single moose calves, most twins that died disappeared together during the first 15 days after birth and independently thereafter, suggesting that predators usually killed both when encountered up to that age.

Key words: Alaska, Alces alces , calf survival, moose, Nelchina, parturition synchrony, predation

Testa, J.W., E.F. Becker, & G.R. Lee. 2000. "Temporal patterns in the survival of twin and single moose ( alces alces ) calves in southcentral Alaska." Journal of Mammalogy , 81(1):162-168.

Example Three

We monitored breeding phenology and population levels of Rana yavapaiensis by use of repeated egg mass censuses and visual encounter surveys at Agua Caliente Canyon near Tucson, Arizona, from 1994 to 1996. Adult counts fluctuated erratically within each year of the study but annual means remained similar. Juvenile counts peaked during the fall recruitment season and fell to near zero by early spring. Rana yavapaiensis deposited eggs in two distinct annual episodes, one in spring (March-May) and a much smaller one in fall (September-October). Larvae from the spring deposition period completed metamorphosis in earlv summer. Over the two years of study, 96.6% of egg masses successfully produced larvae. Egg masses were deposited during periods of predictable, moderate stream flow, but not during seasonal periods when flash flooding or drought were likely to affect eggs or larvae. Breeding phenology of Rana yavapaiensis is particularly well suited for life in desert streams with natural flow regimes which include frequent flash flooding and drought at predictable times. The exotic predators of R. yavapaiensis are less able to cope with fluctuating conditions. Unaltered stream flow regimes that allow natural fluctuations in stream discharge may provide refugia for this declining ranid frog from exotic predators by excluding those exotic species that are unable to cope with brief flash flooding and habitat drying.

Sartorius, Shawn S., and Philip C. Rosen. 2000. "Breeding phenology of the lowland leopard frog ( Rana yavepaiensis )." Southwestern Naturalist , 45(3): 267-273.

Introduction

The introduction is where you sketch out the background of your study, including why you have investigated the question that you have and how it relates to earlier research that has been done in the field. It may help to think of an introduction as a telescoping focus, where you begin with the broader context and gradually narrow to the specific problem addressed by the report. A typical (and very useful) construction of an introduction proceeds as follows:

"Echimyid rodents of the genus Proechimys (spiny rats) often are the most abundant and widespread lowland forest rodents throughout much of their range in the Neotropics (Eisenberg 1989). Recent studies suggested that these rodents play an important role in forest dynamics through their activities as seed predators and dispersers of seeds (Adler and Kestrell 1998; Asquith et al 1997; Forget 1991; Hoch and Adler 1997)." (Lambert and Adler, p. 70)

"Our laboratory has been involved in the analysis of the HLA class II genes and their association with autoimmune disorders such as insulin-dependent diabetes mellitus. As part of this work, the laboratory handles a large number of blood samples. In an effort to minimize the expense and urgency of transportation of frozen or liquid blood samples, we have designed a protocol that will preserve the integrity of lymphocyte DNA and enable the transport and storage of samples at ambient temperatures." (Torrance, MacLeod & Hache, p. 64)

"Despite the ubiquity and abundance of P. semispinosus , only two previous studies have assessed habitat use, with both showing a generalized habitat use. [brief summary of these studies]." (Lambert and Adler, p. 70)

"Although very good results have been obtained using polymerase chain reaction (PCR) amplification of DNA extracted from dried blood spots on filter paper (1,4,5,8,9), this preservation method yields limited amounts of DNA and is susceptible to contamination." (Torrance, MacLeod & Hache, p. 64)

"No attempt has been made to quantitatively describe microhabitat characteristics with which this species may be associated. Thus, specific structural features of secondary forests that may promote abundance of spiny rats remains unknown. Such information is essential to understand the role of spiny rats in Neotropical forests, particularly with regard to forest regeneration via interactions with seeds." (Lambert and Adler, p. 71)

"As an alternative, we have been investigating the use of lyophilization ("freeze-drying") of whole blood as a method to preserve sufficient amounts of genomic DNA to perform PCR and Southern Blot analysis." (Torrance, MacLeod & Hache, p. 64)

"We present an analysis of microhabitat use by P. semispinosus in tropical moist forests in central Panama." (Lambert and Adler, p. 71)

"In this report, we summarize our analysis of genomic DNA extracted from lyophilized whole blood." (Torrance, MacLeod & Hache, p. 64)

Methods and Materials

In this section you describe how you performed your study. You need to provide enough information here for the reader to duplicate your experiment. However, be reasonable about who the reader is. Assume that he or she is someone familiar with the basic practices of your field.

It's helpful to both writer and reader to organize this section chronologically: that is, describe each procedure in the order it was performed. For example, DNA-extraction, purification, amplification, assay, detection. Or, study area, study population, sampling technique, variables studied, analysis method.

Include in this section:

study design: procedures should be listed and described, or the reader should be referred to papers that have already described the used procedure
particular techniques used and why, if relevant
modifications of any techniques; be sure to describe the modification
specialized equipment, including brand-names
temporal, spatial, and historical description of study area and studied population
assumptions underlying the study
statistical methods, including software programs

Example description of activity

Chromosomal DNA was denatured for the first cycle by incubating the slides in 70% deionized formamide; 2x standard saline citrate (SSC) at 70ºC for 2 min, followed by 70% ethanol at -20ºC and then 90% and 100% ethanol at room temperature, followed by air drying. (Rouwendal et al ., p. 79)

Example description of assumptions

We considered seeds left in the petri dish to be unharvested and those scattered singly on the surface of a tile to be scattered and also unharvested. We considered seeds in cheek pouches to be harvested but not cached, those stored in the nestbox to be larderhoarded, and those buried in caching sites within the arena to be scatterhoarded. (Krupa and Geluso, p. 99)

Examples of use of specialized equipment

Oligonucleotide primers were prepared using the Applied Biosystems Model 318A (Foster City, CA) DNA Synthesizer according to the manufacturers' instructions. (Rouwendal et al ., p.78)
We first visually reviewed the complete song sample of an individual using spectrograms produced on a Princeton Applied Research Real Time Spectrum Analyzer (model 4512). (Peters et al ., p. 937)

Example of use of a certain technique

Frogs were monitored using visual encounter transects (Crump and Scott, 1994). (Sartorius and Rosen, p. 269)

Example description of statistical analysis

We used Wilcox rank-sum tests for all comparisons of pre-experimental scores and for all comparisons of hue, saturation, and brightness scores between various groups of birds ... All P -values are two-tailed unless otherwise noted. (Brawner et al ., p. 955)

This section presents the facts--what was found in the course of this investigation. Detailed data--measurements, counts, percentages, patterns--usually appear in tables, figures, and graphs, and the text of the section draws attention to the key data and relationships among data. Three rules of thumb will help you with this section:

present results clearly and logically
avoid excess verbiage
consider providing a one-sentence summary at the beginning of each paragraph if you think it will help your reader understand your data

Remember to use table and figures effectively. But don't expect these to stand alone.

Some examples of well-organized and easy-to-follow results:

Size of the aquatic habitat at Agua Caliente Canyon varied dramatically throughout the year. The site contained three rockbound tinajas (bedrock pools) that did not dry during this study. During periods of high stream discharge seven more seasonal pools and intermittent stretches of riffle became available. Perennial and seasonal pool levels remained stable from late February through early May. Between mid-May and mid-July seasonal pools dried until they disappeared. Perennial pools shrank in surface area from a range of 30-60 m² to 3-5- M². (Sartorius and Rosen, Sept. 2000: 269)

Notice how the second sample points out what is important in the accompanying figure. It makes us aware of relationships that we may not have noticed quickly otherwise and that will be important to the discussion.

A similar test result is obtained with a primer derived from the human ß-satellite... This primer (AGTGCAGAGATATGTCACAATG-CCCC: Oligo 435) labels 6 sites in the PRINS reaction: the chromosomes 1, one pair of acrocentrics and, more weakly, the chromosomes 9 (Fig. 2a). After 10 cycles of PCR-IS, the number of sites labeled has doubled (Fig. 2b); after 20 cycles, the number of sites labeled is the same but the signals are stronger (Fig. 2c) (Rouwendal et al ., July 93:80).

Related Information: Use Tables and Figures Effectively

Do not repeat all of the information in the text that appears in a table, but do summarize it. For example, if you present a table of temperature measurements taken at various times, describe the general pattern of temperature change and refer to the table.

"The temperature of the solution increased rapidly at first, going from 50º to 80º in the first three minutes (Table 1)."

You don't want to list every single measurement in the text ("After one minute, the temperature had risen to 55º. After two minutes, it had risen to 58º," etc.). There is no hard and fast rule about when to report all measurements in the text and when to put the measurements in a table and refer to them, but use your common sense. Remember that readers have all that data in the accompanying tables and figures, so your task in this section is to highlight key data, changes, or relationships.

In this section you discuss your results. What aspect you choose to focus on depends on your results and on the main questions addressed by them. For example, if you were testing a new technique, you will want to discuss how useful this technique is: how well did it work, what are the benefits and drawbacks, etc. If you are presenting data that appear to refute or support earlier research, you will want to analyze both your own data and the earlier data--what conditions are different? how much difference is due to a change in the study design, and how much to a new property in the study subject? You may discuss the implication of your research--particularly if it has a direct bearing on a practical issue, such as conservation or public health.

This section centers on speculation . However, this does not free you to present wild and haphazard guesses. Focus your discussion around a particular question or hypothesis. Use subheadings to organize your thoughts, if necessary.

This section depends on a logical organization so readers can see the connection between your study question and your results. One typical approach is to make a list of all the ideas that you will discuss and to work out the logical relationships between them--what idea is most important? or, what point is most clearly made by your data? what ideas are subordinate to the main idea? what are the connections between ideas?

Achieving the Scientific Voice

Eight tips will help you match your style for most scientific publications.

Develop a precise vocabulary: read the literature to become fluent, or at least familiar with, the sort of language that is standard to describe what you're trying to describe.
Once you've labeled an activity, a condition, or a period of time, use that label consistently throughout the paper. Consistency is more important than creativity.
Define your terms and your assumptions.
Include all the information the reader needs to interpret your data.
Remember, the key to all scientific discourse is that it be reproducible . Have you presented enough information clearly enough that the reader could reproduce your experiment, your research, or your investigation?
When describing an activity, break it down into elements that can be described and labeled, and then present them in the order they occurred.
When you use numbers, use them effectively. Don't present them so that they cause more work for the reader.
Include details before conclusions, but only include those details you have been able to observe by the methods you have described. Do not include your feelings, attitudes, impressions, or opinions.
Research your format and citations: do these match what have been used in current relevant journals?
Run a spellcheck and proofread carefully. Read your paper out loud, and/ or have a friend look over it for misspelled words, missing words, etc.

Applying the Principles, Example 1

The following example needs more precise information. Look at the original and revised paragraphs to see how revising with these guidelines in mind can make the text clearer and more informative:

Before: Each male sang a definite number of songs while singing. They start with a whistle and then go from there. Each new song is always different, but made up an overall repertoire that was completed before starting over again. In 16 cases (84%), no new songs were sung after the first 20, even though we counted about 44 songs for each bird.

After: Each male used a discrete number of song types in his singing. Each song began with an introductory whistle, followed by a distinctive, complex series of fluty warbles (Fig. 1). Successive songs were always different, and five of the 19 males presented their entire song repertoire before repeating any of their song types (i.e., the first IO recorded songs revealed the entire repertoire of 10 song types). Each song type recurred in long sequences of singing, so that we could be confident that we had recorded the entire repertoire of commonly used songs by each male. For 16 of the 19 males, no new song types were encountered after the first 20 songs, even though we analyzed and average of 44 songs/male (range 30-59).

Applying the Principles, Example 2

In this set of examples, even a few changes in wording result in a more precise second version. Look at the original and revised paragraphs to see how revising with these guidelines in mind can make the text clearer and more informative:

Before: The study area was on Mt. Cain and Maquilla Peak in British Columbia, Canada. The study area is about 12,000 ha of coastal montane forest. The area is both managed and unmanaged and ranges from 600-1650m. The most common trees present are mountain hemlock ( Tsuga mertensiana ), western hemlock ( Tsuga heterophylla ), yellow cedar ( Chamaecyparis nootkatensis ), and amabilis fir ( Abies amabilis ).

After: The study took place on Mt. Cain and Maquilla Peak (50'1 3'N, 126'1 8'W), Vancouver Island, British Columbia. The study area encompassed 11,800 ha of coastal montane forest. The landscape consisted of managed and unmanaged stands of coastal montane forest, 600-1650 m in elevation. The dominant tree species included mountain hemlock ( Tsuga mertensiana ), western hemlock ( Tsuga heterophylla ), yellow cedar ( Chamaecyparis nootkatensis ), and amabilis fir ( Abies amabilis ).

Two Tips for Sentence Clarity

Although you will want to consider more detailed stylistic revisions as you become more comfortable with scientific writing, two tips can get you started:

First, the verb should follow the subject as soon as possible.

Really Hard to Read : "The smallest of the URF's (URFA6L), a 207-nucleotide (nt) reading frame overlapping out of phase the NH2- terminal portion of the adenosinetriphosphatase (ATPase) subunit 6 gene has been identified as the animal equivalent of the recently discovered yeast H+-ATPase subunit gene."

Less Hard to Read : "The smallest of the UR-F's is URFA6L, a 207-nucleotide (nt) reading frame overlapping out of phase the NH2-terminal portion of the adenosinetriphosphatase (ATPase) subunit 6 gene; it has been identified as the animal equivalent of the recently discovered yeast H+-ATPase subunit 8 gene."

Second, place familiar information first in a clause, a sentence, or a paragraph, and put the new and unfamiliar information later.

More confusing : The epidermis, the dermis, and the subcutaneous layer are the three layers of the skin. A layer of dead skin cells makes up the epidermis, which forms the body's shield against the world. Blood vessels, carrying nourishment, and nerve endings, which relay information about the outside world, are found in the dermis. Sweat glands and fat cells make up the third layer, the subcutaneous layer.

Less confusing : The skin consists of three layers: the epidermis, the dermis, and the subcutaneous layer. The epidermis is made up of dead skin cells, and forms a protective shield between the body and the world. The dermis contains the blood vessels and nerve endings that nourish the skin and make it receptive to outside stimuli. The subcutaneous layer contains the sweat glands and fat cells which perform other functions of the skin.

Bibliography

Scientific Writing for Graduate Students . F. P. Woodford. Bethesda, MD: Council of Biology Editors, 1968. [A manual on the teaching of writing to graduate students--very clear and direct.]
Scientific Style and Format . Council of Biology Editors. Cambridge: Cambridge University Press, 1994.
"The science of scientific writing." George Gopen and Judith Swann. The American Scientist , Vol. 78, Nov.-Dec. 1990. Pp 550-558.
"What's right about scientific writing." Alan Gross and Joseph Harmon. The Scientist , Dec. 6 1999. Pp. 20-21.
"A Quick Fix for Figure Legends and Table Headings." Donald Kroodsma. The Auk , 117 (4): 1081-1083, 2000.

Wortman-Wunder, Emily, & Kate Kiefer. (1998). Writing the Scientific Paper. Writing@CSU . Colorado State University. https://writing.colostate.edu/resources/writing/guides/.

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CAREER FEATURE
28 February 2018
Correction 16 March 2018

How to write a first-class paper

Virginia Gewin 0

Virginia Gewin is a freelance writer in Portland, Oregon.

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Manuscripts may have a rigidly defined structure, but there’s still room to tell a compelling story — one that clearly communicates the science and is a pleasure to read. Scientist-authors and editors debate the importance and meaning of creativity and offer tips on how to write a top paper.

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Writing an Introduction for a Scientific Paper

Dr. michelle harris, dr. janet batzli, biocore.

This section provides guidelines on how to construct a solid introduction to a scientific paper including background information, study question , biological rationale, hypothesis , and general approach . If the Introduction is done well, there should be no question in the reader’s mind why and on what basis you have posed a specific hypothesis.

Broad Question : based on an initial observation (e.g., “I see a lot of guppies close to the shore. Do guppies like living in shallow water?”). This observation of the natural world may inspire you to investigate background literature or your observation could be based on previous research by others or your own pilot study. Broad questions are not always included in your written text, but are essential for establishing the direction of your research.

Background Information : key issues, concepts, terminology, and definitions needed to understand the biological rationale for the experiment. It often includes a summary of findings from previous, relevant studies. Remember to cite references, be concise, and only include relevant information given your audience and your experimental design. Concisely summarized background information leads to the identification of specific scientific knowledge gaps that still exist. (e.g., “No studies to date have examined whether guppies do indeed spend more time in shallow water.”)

Testable Question : these questions are much more focused than the initial broad question, are specific to the knowledge gap identified, and can be addressed with data. (e.g., “Do guppies spend different amounts of time in water <1 meter deep as compared to their time in water that is >1 meter deep?”)

Biological Rationale : describes the purpose of your experiment distilling what is known and what is not known that defines the knowledge gap that you are addressing. The “BR” provides the logic for your hypothesis and experimental approach, describing the biological mechanism and assumptions that explain why your hypothesis should be true.

The biological rationale is based on your interpretation of the scientific literature, your personal observations, and the underlying assumptions you are making about how you think the system works. If you have written your biological rationale, your reader should see your hypothesis in your introduction section and say to themselves, “Of course, this hypothesis seems very logical based on the rationale presented.”

A thorough rationale defines your assumptions about the system that have not been revealed in scientific literature or from previous systematic observation. These assumptions drive the direction of your specific hypothesis or general predictions.
Defining the rationale is probably the most critical task for a writer, as it tells your reader why your research is biologically meaningful. It may help to think about the rationale as an answer to the questions— how is this investigation related to what we know, what assumptions am I making about what we don’t yet know, AND how will this experiment add to our knowledge? *There may or may not be broader implications for your study; be careful not to overstate these (see note on social justifications below).
Expect to spend time and mental effort on this. You may have to do considerable digging into the scientific literature to define how your experiment fits into what is already known and why it is relevant to pursue.
Be open to the possibility that as you work with and think about your data, you may develop a deeper, more accurate understanding of the experimental system. You may find the original rationale needs to be revised to reflect your new, more sophisticated understanding.
As you progress through Biocore and upper level biology courses, your rationale should become more focused and matched with the level of study e ., cellular, biochemical, or physiological mechanisms that underlie the rationale. Achieving this type of understanding takes effort, but it will lead to better communication of your science.

***Special note on avoiding social justifications: You should not overemphasize the relevance of your experiment and the possible connections to large-scale processes. Be realistic and logical —do not overgeneralize or state grand implications that are not sensible given the structure of your experimental system. Not all science is easily applied to improving the human condition. Performing an investigation just for the sake of adding to our scientific knowledge (“pure or basic science”) is just as important as applied science. In fact, basic science often provides the foundation for applied studies.

Hypothesis / Predictions : specific prediction(s) that you will test during your experiment. For manipulative experiments, the hypothesis should include the independent variable (what you manipulate), the dependent variable(s) (what you measure), the organism or system , the direction of your results, and comparison to be made.

If you are doing a systematic observation , your hypothesis presents a variable or set of variables that you predict are important for helping you characterize the system as a whole, or predict differences between components/areas of the system that help you explain how the system functions or changes over time.

Experimental Approach : Briefly gives the reader a general sense of the experiment, the type of data it will yield, and the kind of conclusions you expect to obtain from the data. Do not confuse the experimental approach with the experimental protocol . The experimental protocol consists of the detailed step-by-step procedures and techniques used during the experiment that are to be reported in the Methods and Materials section.

Some Final Tips on Writing an Introduction

As you progress through the Biocore sequence, for instance, from organismal level of Biocore 301/302 to the cellular level in Biocore 303/304, we expect the contents of your “Introduction” paragraphs to reflect the level of your coursework and previous writing experience. For example, in Biocore 304 (Cell Biology Lab) biological rationale should draw upon assumptions we are making about cellular and biochemical processes.
Be Concise yet Specific: Remember to be concise and only include relevant information given your audience and your experimental design. As you write, keep asking, “Is this necessary information or is this irrelevant detail?” For example, if you are writing a paper claiming that a certain compound is a competitive inhibitor to the enzyme alkaline phosphatase and acts by binding to the active site, you need to explain (briefly) Michaelis-Menton kinetics and the meaning and significance of Km and Vmax. This explanation is not necessary if you are reporting the dependence of enzyme activity on pH because you do not need to measure Km and Vmax to get an estimate of enzyme activity.
Another example: if you are writing a paper reporting an increase in Daphnia magna heart rate upon exposure to caffeine you need not describe the reproductive cycle of magna unless it is germane to your results and discussion. Be specific and concrete, especially when making introductory or summary statements.

Where Do You Discuss Pilot Studies? Many times it is important to do pilot studies to help you get familiar with your experimental system or to improve your experimental design. If your pilot study influences your biological rationale or hypothesis, you need to describe it in your Introduction. If your pilot study simply informs the logistics or techniques, but does not influence your rationale, then the description of your pilot study belongs in the Materials and Methods section.

How will introductions be evaluated? The following is part of the rubric we will be using to evaluate your papers.

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Knowledge Base
Research paper

Writing a Research Paper Introduction | Step-by-Step Guide

Published on September 24, 2022 by Jack Caulfield . Revised on March 27, 2023.

The introduction to a research paper is where you set up your topic and approach for the reader. It has several key goals:

Present your topic and get the reader interested
Provide background or summarize existing research
Position your own approach
Detail your specific research problem and problem statement
Give an overview of the paper’s structure

The introduction looks slightly different depending on whether your paper presents the results of original empirical research or constructs an argument by engaging with a variety of sources.

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Step 1: introduce your topic, step 2: describe the background, step 3: establish your research problem, step 4: specify your objective(s), step 5: map out your paper, research paper introduction examples, frequently asked questions about the research paper introduction.

The first job of the introduction is to tell the reader what your topic is and why it’s interesting or important. This is generally accomplished with a strong opening hook.

The hook is a striking opening sentence that clearly conveys the relevance of your topic. Think of an interesting fact or statistic, a strong statement, a question, or a brief anecdote that will get the reader wondering about your topic.

For example, the following could be an effective hook for an argumentative paper about the environmental impact of cattle farming:

A more empirical paper investigating the relationship of Instagram use with body image issues in adolescent girls might use the following hook:

Don’t feel that your hook necessarily has to be deeply impressive or creative. Clarity and relevance are still more important than catchiness. The key thing is to guide the reader into your topic and situate your ideas.

Prevent plagiarism. Run a free check.

This part of the introduction differs depending on what approach your paper is taking.

In a more argumentative paper, you’ll explore some general background here. In a more empirical paper, this is the place to review previous research and establish how yours fits in.

Argumentative paper: Background information

After you’ve caught your reader’s attention, specify a bit more, providing context and narrowing down your topic.

Provide only the most relevant background information. The introduction isn’t the place to get too in-depth; if more background is essential to your paper, it can appear in the body .

Empirical paper: Describing previous research

For a paper describing original research, you’ll instead provide an overview of the most relevant research that has already been conducted. This is a sort of miniature literature review —a sketch of the current state of research into your topic, boiled down to a few sentences.

This should be informed by genuine engagement with the literature. Your search can be less extensive than in a full literature review, but a clear sense of the relevant research is crucial to inform your own work.

Begin by establishing the kinds of research that have been done, and end with limitations or gaps in the research that you intend to respond to.

The next step is to clarify how your own research fits in and what problem it addresses.

Argumentative paper: Emphasize importance

In an argumentative research paper, you can simply state the problem you intend to discuss, and what is original or important about your argument.

Empirical paper: Relate to the literature

In an empirical research paper, try to lead into the problem on the basis of your discussion of the literature. Think in terms of these questions:

What research gap is your work intended to fill?
What limitations in previous work does it address?
What contribution to knowledge does it make?

You can make the connection between your problem and the existing research using phrases like the following.

Now you’ll get into the specifics of what you intend to find out or express in your research paper.

The way you frame your research objectives varies. An argumentative paper presents a thesis statement, while an empirical paper generally poses a research question (sometimes with a hypothesis as to the answer).

Argumentative paper: Thesis statement

The thesis statement expresses the position that the rest of the paper will present evidence and arguments for. It can be presented in one or two sentences, and should state your position clearly and directly, without providing specific arguments for it at this point.

Empirical paper: Research question and hypothesis

The research question is the question you want to answer in an empirical research paper.

Present your research question clearly and directly, with a minimum of discussion at this point. The rest of the paper will be taken up with discussing and investigating this question; here you just need to express it.

A research question can be framed either directly or indirectly.

This study set out to answer the following question: What effects does daily use of Instagram have on the prevalence of body image issues among adolescent girls?
We investigated the effects of daily Instagram use on the prevalence of body image issues among adolescent girls.

If your research involved testing hypotheses , these should be stated along with your research question. They are usually presented in the past tense, since the hypothesis will already have been tested by the time you are writing up your paper.

For example, the following hypothesis might respond to the research question above:

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The final part of the introduction is often dedicated to a brief overview of the rest of the paper.

In a paper structured using the standard scientific “introduction, methods, results, discussion” format, this isn’t always necessary. But if your paper is structured in a less predictable way, it’s important to describe the shape of it for the reader.

If included, the overview should be concise, direct, and written in the present tense.

This paper will first discuss several examples of survey-based research into adolescent social media use, then will go on to …
This paper first discusses several examples of survey-based research into adolescent social media use, then goes on to …

Full examples of research paper introductions are shown in the tabs below: one for an argumentative paper, the other for an empirical paper.

Argumentative paper
Empirical paper

Are cows responsible for climate change? A recent study (RIVM, 2019) shows that cattle farmers account for two thirds of agricultural nitrogen emissions in the Netherlands. These emissions result from nitrogen in manure, which can degrade into ammonia and enter the atmosphere. The study’s calculations show that agriculture is the main source of nitrogen pollution, accounting for 46% of the country’s total emissions. By comparison, road traffic and households are responsible for 6.1% each, the industrial sector for 1%. While efforts are being made to mitigate these emissions, policymakers are reluctant to reckon with the scale of the problem. The approach presented here is a radical one, but commensurate with the issue. This paper argues that the Dutch government must stimulate and subsidize livestock farmers, especially cattle farmers, to transition to sustainable vegetable farming. It first establishes the inadequacy of current mitigation measures, then discusses the various advantages of the results proposed, and finally addresses potential objections to the plan on economic grounds.

The rise of social media has been accompanied by a sharp increase in the prevalence of body image issues among women and girls. This correlation has received significant academic attention: Various empirical studies have been conducted into Facebook usage among adolescent girls (Tiggermann & Slater, 2013; Meier & Gray, 2014). These studies have consistently found that the visual and interactive aspects of the platform have the greatest influence on body image issues. Despite this, highly visual social media (HVSM) such as Instagram have yet to be robustly researched. This paper sets out to address this research gap. We investigated the effects of daily Instagram use on the prevalence of body image issues among adolescent girls. It was hypothesized that daily Instagram use would be associated with an increase in body image concerns and a decrease in self-esteem ratings.

The introduction of a research paper includes several key elements:

A hook to catch the reader’s interest
Relevant background on the topic
Details of your research problem

and your problem statement

A thesis statement or research question
Sometimes an overview of the paper

Don’t feel that you have to write the introduction first. The introduction is often one of the last parts of the research paper you’ll write, along with the conclusion.

This is because it can be easier to introduce your paper once you’ve already written the body ; you may not have the clearest idea of your arguments until you’ve written them, and things can change during the writing process .

The way you present your research problem in your introduction varies depending on the nature of your research paper . A research paper that presents a sustained argument will usually encapsulate this argument in a thesis statement .

A research paper designed to present the results of empirical research tends to present a research question that it seeks to answer. It may also include a hypothesis —a prediction that will be confirmed or disproved by your research.

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Science Essay

Learn How to Write an A+ Science Essay

11 min read

What Is a Science Essay?

A science essay is an academic paper focusing on a scientific topic from physics, chemistry, biology, or any other scientific field.

Science essays are mostly expository. That is, they require you to explain your chosen topic in detail. However, they can also be descriptive and exploratory.

A descriptive science essay aims to describe a certain scientific phenomenon according to established knowledge.

On the other hand, the exploratory science essay requires you to go beyond the current theories and explore new interpretations.

So before you set out to write your essay, always check out the instructions given by your instructor. Whether a science essay is expository or exploratory must be clear from the start. Or, if you face any difficulty, you can take help from a science essay writer as well.

Moreover, check out this video to understand scientific writing in detail.

Now that you know what it is, let's look at the steps you need to take to write a science essay.

Paper Due? Why Suffer? That's our Job!

How To Write a Science Essay?

Writing a science essay is not as complex as it may seem. All you need to do is follow the right steps to create an impressive piece of work that meets the assigned criteria.

Here's what you need to do:

Choose Your Topic

A good topic forms the foundation for an engaging and well-written essay. Therefore, you should ensure that you pick something interesting or relevant to your field of study.

To choose a good topic, you can brainstorm ideas relating to the subject matter. You may also find inspiration from other science essays or articles about the same topic.

Conduct Research

Once you have chosen your topic, start researching it thoroughly to develop a strong argument or discussion in your essay.

Make sure you use reliable sources and cite them properly . You should also make notes while conducting your research so that you can reference them easily when writing the essay. Or, you can get expert assistance from an essay writing service to manage your citations.

Create an Outline

A good essay outline helps to organize the ideas in your paper. It serves as a guide throughout the writing process and ensures you don’t miss out on important points.

An outline makes it easier to write a well-structured paper that flows logically. It should be detailed enough to guide you through the entire writing process.

However, your outline should be flexible, and it's sometimes better to change it along the way to improve your structure.

Start Writing

Once you have a good outline, start writing the essay by following your plan.

The first step in writing any essay is to draft it. This means putting your thoughts down on paper in a rough form without worrying about grammar or spelling mistakes.

So begin your essay by introducing the topic, then carefully explain it using evidence and examples to support your argument.

Don't worry if your first draft isn't perfect - it's just the starting point!

Proofread & Edit

After finishing your first draft, take time to proofread and edit it for grammar and spelling mistakes.

Proofreading is the process of checking for grammatical mistakes. It should be done after you have finished writing your essay.

Editing, on the other hand, involves reviewing the structure and organization of your essay and its content. It should be done before you submit your final work.

Both proofreading and editing are essential for producing a high-quality essay. Make sure to give yourself enough time to do them properly!

After revising the essay, you should format it according to the guidelines given by your instructor. This could involve using a specific font size, page margins, or citation style.

Most science essays are written in Times New Roman font with 12-point size and double spacing. The margins should be 1 inch on all sides, and the text should be justified.

In addition, you must cite your sources properly using a recognized citation style such as APA , Chicago , or Harvard . Make sure to follow the guidelines closely so that your essay looks professional.

Following these steps will help you create an informative and well-structured science essay that meets the given criteria.

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How to Structure a Science Essay?

A basic science essay structure includes an introduction, body, and conclusion.

Let's look at each of these briefly.

Introduction

Your essay introduction should introduce your topic and provide a brief overview of what you will discuss in the essay. It should also state your thesis or main argument.

For instance, a thesis statement for a science essay could be,

"The human body is capable of incredible feats, as evidenced by the many athletes who have competed in the Olympic games."

The body of your essay will contain the bulk of your argument or discussion. It should be divided into paragraphs, each discussing a different point.

For instance, imagine you were writing about sports and the human body.

Your first paragraph can discuss the physical capabilities of the human body.

The second paragraph may be about the physical benefits of competing in sports.

Similarly, in the third paragraph, you can present one or two case studies of specific athletes to support your point.

Once you have explained all your points in the body, it’s time to conclude the essay.

Your essay conclusion should summarize the main points of your essay and leave the reader with a sense of closure.

In the conclusion, you reiterate your thesis and sum up your arguments. You can also suggest implications or potential applications of the ideas discussed in the essay.

By following this structure, you will create a well-organized essay.

Check out a few example essays to see this structure in practice.

Science Essay Examples

A great way to get inspired when writing a science essay is to look at other examples of successful essays written by others.

Here are some examples that will give you an idea of how to write your essay.

Science Essay About Genetics - Science Essay Example

Environmental Science Essay Example | PDF Sample

The Science of Nanotechnology

Science, Non-Science, and Pseudo-Science

The Science Of Science Education

Science in our Daily Lives

Short Science Essay Example

Let’s take a look at a short science essay:

Want to read more essay examples? Here, you can find more science essay examples to learn from.

How to Choose the Right Science Essay Topic

Choosing the right science essay topic is a critical first step in crafting a compelling and engaging essay. Here's a concise guide on how to make this decision wisely:

Consider Your Interests: Start by reflecting on your personal interests within the realm of science. Selecting a topic that genuinely fascinates you will make the research and writing process more enjoyable and motivated.
Relevance to the Course: Ensure that your chosen topic aligns with your course or assignment requirements. Read the assignment guidelines carefully to understand the scope and focus expected by your instructor.
Current Trends and Issues: Stay updated with the latest scientific developments and trends. Opting for a topic that addresses contemporary issues not only makes your essay relevant but also demonstrates your awareness of current events in the field.
Narrow Down the Scope: Science is vast, so narrow your topic to a manageable scope. Instead of a broad subject like "Climate Change," consider a more specific angle like "The Impact of Melting Arctic Ice on Global Sea Levels."
Available Resources: Ensure that there are sufficient credible sources and research materials available for your chosen topic. A lack of resources can hinder your research efforts.
Discuss with Your Instructor: If you're uncertain about your topic choice, don't hesitate to consult your instructor or professor. They can provide valuable guidance and may even suggest specific topics based on your academic goals.

Science Essay Topics

Choosing an appropriate topic for a science essay is one of the first steps in writing a successful paper.

Here are a few science essay topics to get you started:

How space exploration affects our daily lives?
How has technology changed our understanding of medicine?
Are there ethical considerations to consider when conducting scientific research?
How does climate change affect the biodiversity of different parts of the world?
How can artificial intelligence be used in medicine?
What impact have vaccines had on global health?
What is the future of renewable energy?
How do we ensure that genetically modified organisms are safe for humans and the environment?
The influence of social media on human behavior: A social science perspective
What are the potential risks and benefits of stem cell therapy?

Important science topics can cover anything from space exploration to chemistry and biology. So you can choose any topic according to your interests!

Need more topics? We have gathered 100+ science essay topics to help you find a great topic!

Continue reading to find some tips to help you write a successful science essay.

Science Essay Writing Tips

Once you have chosen a topic and looked at examples, it's time to start writing the science essay.

Here are some key tips for a successful essay:

Research thoroughly

Make sure you do extensive research before you begin writing your paper. This will ensure that the facts and figures you include are accurate and supported by reliable sources.

Use clear language

Avoid using jargon or overly technical language when writing your essay. Plain language is easier to understand and more engaging for readers.

Referencing

Always provide references for any information you include in your essay. This will demonstrate that you acknowledge other people's work and show that the evidence you use is credible.

Make sure to follow the basic structure of an essay and organize your thoughts into clear sections. This will improve the flow and make your essay easier to read.

Ask someone to proofread

It’s also a good idea to get someone else to proofread your work as they may spot mistakes that you have missed.

These few tips will help ensure that your science essay is well-written and informative!

You've learned the steps to writing a successful science essay and looked at some examples and topics to get you started.

Make sure you thoroughly research, use clear language, structure your thoughts, and proofread your essay. With these tips, you’re sure to write a great science essay!

Do you still need expert help writing a science essay? Our science essay writing service is here to help. With our team of professional writers, you can rest assured that your essay will be written to the highest standards.

Contact our online writing service now to get started!

Also, do not forget to try our essay typer tool for quick and cost-free aid with your essays!

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How to Write a Scientific Essay

Learning to write about science is an important part of learning in the sciences. Your writing needs to inform your audience. So you'll need to write clearly and concisely, focusing on the content of your paper. Some of the different types of scientific writing include: lab reports, posters, and reflective journals.

Tips on Scientific Writing

Writing a Scientific Lab Report
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Last Updated: Sep 21, 2023 12:20 PM

How to Write a Scientific Essay to Meet Academic Standards

Students compose a great variety of academic assignments. Some of them are pretty complicated. Nonetheless, they are pretty interesting and develop our skills and improve knowledge. One of the stumbling stones in essay writing is the academic discipline. They all are different, and each has its own difficulties. Thus, many students wish to learn how to write a scientific essay.

This discipline requires great dedication. You ought to be really scientific, make in-depth research on every detail because even the slightest thing may change the course of events. It’s important to be familiar with other works related to your study, find the latest news and similar things. The scientific essay meaning is crucial as it explains complex events, things or terms from the scientific viewpoint. It’s not a simple essay about how you feel today. That is a very important, durable and complex labor.

Therefore, this assignment cannot be referred to as the easiest research projects. Nonetheless, it is undoubtedly one of the most exciting and challenging. Try to accomplish it with our assistance.

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Writing a Scientific Essay: Smart Tips

There are specific recommendations you should know about this paper. There is nothing really new about the process of writing a scientific essay. The things you should fulfill are similar to other research papers. Nevertheless, they are helpful, and you should not skip a single stage.

Firstly, you should choose your topic. It is expected to be interesting. Try to pick a universal theme. It should be interesting for you and your readers. In the meanwhile, it ought to discover some issue and propose some solutions.

Once you identify your topic, search for the appropriate information. Undoubtedly, you should take some notes. It’s not possible to memorize all facts and statistics. Therefore, note all the things related to your project. Afterward, throw out insignificant data and keep the most effective evidence.

Depending on the topic and found data, craft an outline. It should include all stages of your writing – the introduction, thesis, main body, conclusion, and references.

A good beginning makes the half of your success. Therefore, pay particular attention to this matter. It should be intriguing. Use the strong first line to captivate your audience. After you grab attention, introduce a thesis statement. It should clearly explain your primary purpose.

The main body continues your story from the thesis. Use relevant facts, figures, statistics, etc., to support your claim. You cannot simply say that this or that phenomenon is possible. That is scientific research. It demands the approved facts and proofs.

Your conclusion is the summarization of the entire paper. Mention your central question once again and remind of its importance. Afterward, mention the results of your study and their value.

Scientific Essay Format: Essential Points to Know

It goes beyond all doubts that the format of an assignment is crucial as well. You should know all the details concerning your scientific essay format. There are such writing formats as MLA, APA, Chicago, Harvard, Vancouver, etc. Learn everything about the proper citing and preparation of the reference list. Every part of your writing ought to be fulfilled correctly. Your paper should contain:

Materials and Methods
Acknowledgments

Your title tells the reader your name, the title of the research, the course number, and similar points. The abstract reveals your purpose, contains the introduction, main plot, and the conclusion.

It’s required to mention the information and methods you used to prove your opinion. Shed more light on the outcomes of your research. Afterward, you should discuss them. Explain their meaning to the readers and why they are so important.

References contain the data you used in your paper. Prepare them following the assigned format. Your acknowledgments contain information about all people who somehow contributed to the development of your project.

Scientific Essay Topics: Engaging and Interesting Variants

Under the condition, you cannot create scientific essay topics on your own use our help. At times, people need only a few examples to understand how to complete different tasks. Make allowances for the following suggestions:

What are a scientific revolution and its consequences for the humanity?
Can molecular biology find the keys to correct gene failure?
What are the measures to linger the process of aging?
Reveal the importance of scientific attitude for the current society.
Is it true that life existed on Mars? What are the main theories?
What methodologies can prevent the occurrence of schizophrenia?
Is stem cell therapy effective against autism?
The consequences of scientific revolution and enlightenment in the second part of the 20th century.
Is Biocomputing the future of the humankind?
Which alternatives are able to save polluted areas and their flora and fauna?

Memorize these suggestions. They highlight important issues, which are relevant for all times. Craft your own concepts using our list.

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Complete Guide: How to Write a Scientific Essay

Are you dealing with a science course in high school or college? Your professor will require you to write a paper that showcases the knowledge you’ve obtained, as well as your potential for research and logical conclusions.

The scientific essay format seems easy to maintain. However, you can’t simply follow an outline and come up with a unique paper. It takes a lot of work to complete a brilliant essay.

We have a few clear guidelines for you.

Tips on Writing Scientific Papers

Understand What a Scientific Essay Is

When you get this type of assignment for the first time, you have to understand it. Professors rarely spend enough time guiding you through the requirements. You should check if they published some instructions online. If not, you can follow this tutorial on how to write essays for science subjects, published by the University of Oxford.

In essence, a scientific essay sets up a problem and suggests potential solution. The solution has to be based on facts and scientific data. This is not the type of paper that requires your personal opinion.

For example, your professor may ask you to write a scientific essay about COVID-19. You will have to go through factual information and develop a pragmatic solution based on facts.

Choose a Topic

You can’t start writing on the general theme that your professor assigns. As an example, COVID-19 is a too broad team to be discussed in a five-paragraph paper. You’ll have to narrow it down to a specific problem, which you’ll try to solve.

Brainstorming is a good technique that helps you with the selection. Write down all scientific problems linked to the general issue. Then, use Google to see if you can find actual solutions for some of them. Choose a topic that gives you enough information to deal with. You don’t want to get stuck because you can’t find enough facts, so you’ll end up speculating.

Always Make an Outline

The scientific paper outline will guide you through an effortless process of writing. It’s a map for all facts and arguments that you plan to include. It’s pretty standard:

Introduction

Most professors don’t require you to follow the traditional five-paragraph format for scientific essays. However, you still need those three main elements in the paper, so you’ll maintain its logical flow. You still need a thesis statement supported with clear arguments.

Write notes on what you plan to include in each section of the paper. That’s your outline.

Find Scientific Articles to Reference

Research is an important part of a scientific essay. Use Google Scholar to find research studies related to your topic. You won’t find one discussing your exact topic. That would mean that your topic isn’t unique enough. Find studies that are related, and combine them to come down to your own conclusions.

Make sure to reference the sources you use. APA (American Psychological Association) is the preferred citation style for scientific papers. Analyze its guidelines and use them to format the references.

Go with the Flow

When you’re looking for writing tips, you’ll see a common recommendation: start writing early on .

That’s a good tip to follow. As soon as you get the instructions, you should start working on the paper.

But what if you don’t feel inspired? Don’t worry about it! You can’t sit in front of the computer and force yourself to write. Take it easy. Start with a light online search and take notes. That’s work, too. You’ll come to the outline in no time. Once you’re done with that part, it will be easy to carry on with the writing process.

Don’t Skip the Editing

It’s the easiest stage to skip, yet it’s the most important one. You may be pressured by time, but you can find half an hour to edit the paper, right?

Start with an evaluation of the logical flow. Read it from a beginner’s point of view. Are there some background details that you could add? Is there any wordiness or unnecessary argumentation? Don’t worry; you won’t butcher your work. You’ll only make it better.

You’re not done yet! Proofreading is the final stage. You have to check your spelling and grammar before you get to the final version of your paper. All that effort could go to waste for a silly mistake. You don’t want that.

You Can Do This

A scientific essay is not an easy challenge to undertake. You don’t know much about the topic, but you have to act like you’re an expert on it. To get to that level, you’ll need to read tons of research studies.

That’s why it’s important to give yourself enough time. When you do a good research, you’ll inevitably get inspired. You can find an interesting angle on any topic, no matter how boring it seems.

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Tips for Writing an Effective Application Essay

How to Write an Effective Essay

Writing an essay for college admission gives you a chance to use your authentic voice and show your personality. It's an excellent opportunity to personalize your application beyond your academic credentials, and a well-written essay can have a positive influence come decision time.

Want to know how to draft an essay for your college application ? Here are some tips to keep in mind when writing.

Tips for Essay Writing

A typical college application essay, also known as a personal statement, is 400-600 words. Although that may seem short, writing about yourself can be challenging. It's not something you want to rush or put off at the last moment. Think of it as a critical piece of the application process. Follow these tips to write an impactful essay that can work in your favor.

1. Start Early.

Few people write well under pressure. Try to complete your first draft a few weeks before you have to turn it in. Many advisers recommend starting as early as the summer before your senior year in high school. That way, you have ample time to think about the prompt and craft the best personal statement possible.

You don't have to work on your essay every day, but you'll want to give yourself time to revise and edit. You may discover that you want to change your topic or think of a better way to frame it. Either way, the sooner you start, the better.

2. Understand the Prompt and Instructions.

Before you begin the writing process, take time to understand what the college wants from you. The worst thing you can do is skim through the instructions and submit a piece that doesn't even fit the bare minimum requirements or address the essay topic. Look at the prompt, consider the required word count, and note any unique details each school wants.

3. Create a Strong Opener.

Students seeking help for their application essays often have trouble getting things started. It's a challenging writing process. Finding the right words to start can be the hardest part.

Spending more time working on your opener is always a good idea. The opening sentence sets the stage for the rest of your piece. The introductory paragraph is what piques the interest of the reader, and it can immediately set your essay apart from the others.

4. Stay on Topic.

One of the most important things to remember is to keep to the essay topic. If you're applying to 10 or more colleges, it's easy to veer off course with so many application essays.

A common mistake many students make is trying to fit previously written essays into the mold of another college's requirements. This seems like a time-saving way to avoid writing new pieces entirely, but it often backfires. The result is usually a final piece that's generic, unfocused, or confusing. Always write a new essay for every application, no matter how long it takes.

5. Think About Your Response.

Don't try to guess what the admissions officials want to read. Your essay will be easier to write─and more exciting to read─if you’re genuinely enthusiastic about your subject. Here’s an example: If all your friends are writing application essays about covid-19, it may be a good idea to avoid that topic, unless during the pandemic you had a vivid, life-changing experience you're burning to share. Whatever topic you choose, avoid canned responses. Be creative.

6. Focus on You.

Essay prompts typically give you plenty of latitude, but panel members expect you to focus on a subject that is personal (although not overly intimate) and particular to you. Admissions counselors say the best essays help them learn something about the candidate that they would never know from reading the rest of the application.

7. Stay True to Your Voice.

Use your usual vocabulary. Avoid fancy language you wouldn't use in real life. Imagine yourself reading this essay aloud to a classroom full of people who have never met you. Keep a confident tone. Be wary of words and phrases that undercut that tone.

8. Be Specific and Factual.

Capitalize on real-life experiences. Your essay may give you the time and space to explain why a particular achievement meant so much to you. But resist the urge to exaggerate and embellish. Admissions counselors read thousands of essays each year. They can easily spot a fake.

9. Edit and Proofread.

When you finish the final draft, run it through the spell checker on your computer. Then don’t read your essay for a few days. You'll be more apt to spot typos and awkward grammar when you reread it. After that, ask a teacher, parent, or college student (preferably an English or communications major) to give it a quick read. While you're at it, double-check your word count.

Writing essays for college admission can be daunting, but it doesn't have to be. A well-crafted essay could be the deciding factor─in your favor. Keep these tips in mind, and you'll have no problem creating memorable pieces for every application.

What is the format of a college application essay?

Generally, essays for college admission follow a simple format that includes an opening paragraph, a lengthier body section, and a closing paragraph. You don't need to include a title, which will only take up extra space. Keep in mind that the exact format can vary from one college application to the next. Read the instructions and prompt for more guidance.

Most online applications will include a text box for your essay. If you're attaching it as a document, however, be sure to use a standard, 12-point font and use 1.5-spaced or double-spaced lines, unless the application specifies different font and spacing.

How do you start an essay?

The goal here is to use an attention grabber. Think of it as a way to reel the reader in and interest an admissions officer in what you have to say. There's no trick on how to start a college application essay. The best way you can approach this task is to flex your creative muscles and think outside the box.

You can start with openers such as relevant quotes, exciting anecdotes, or questions. Either way, the first sentence should be unique and intrigue the reader.

What should an essay include?

Every application essay you write should include details about yourself and past experiences. It's another opportunity to make yourself look like a fantastic applicant. Leverage your experiences. Tell a riveting story that fulfills the prompt.

What shouldn’t be included in an essay?

When writing a college application essay, it's usually best to avoid overly personal details and controversial topics. Although these topics might make for an intriguing essay, they can be tricky to express well. If you’re unsure if a topic is appropriate for your essay, check with your school counselor. An essay for college admission shouldn't include a list of achievements or academic accolades either. Your essay isn’t meant to be a rehashing of information the admissions panel can find elsewhere in your application.

How can you make your essay personal and interesting?

The best way to make your essay interesting is to write about something genuinely important to you. That could be an experience that changed your life or a valuable lesson that had an enormous impact on you. Whatever the case, speak from the heart, and be honest.

Is it OK to discuss mental health in an essay?

Mental health struggles can create challenges you must overcome during your education and could be an opportunity for you to show how you’ve handled challenges and overcome obstacles. If you’re considering writing your essay for college admission on this topic, consider talking to your school counselor or with an English teacher on how to frame the essay.

How To Write A Research Paper

Find Sources For A Research Paper

How to Find Sources For a Research Paper | A Guide

10 min read

Published on: Mar 26, 2024

Last updated on: Mar 25, 2024

How to find sources for a research paper

Step 1: Define Your Topic and Research Questions

Before you venture into your quest for sources, it's essential to have a clear understanding of your research topic and the specific questions you aim to address. Define the scope of your paper and identify keywords and key concepts that will guide your search for relevant sources.

Step 2: Utilize Academic Databases

Academic databases are treasure troves of scholarly articles, research papers, and academic journals covering a wide range of subjects. Institutions often provide access to these databases through their libraries. Some popular academic databases include:

IEEE Xplore
Google Scholar

These databases allow you to search for peer-reviewed articles and academic papers related to your topic.

Use advanced search features to narrow down your results based on publication date, author, and keywords .

Academic Resources Classified by Discipline

Here's a breakdown of prominent databases categorized by academic discipline:

Step 3: Explore Library Catalogs

Your university or local library's catalog is another valuable resource for finding sources. Library catalogs contain books, periodicals, and other materials that may not be available online.

Use the catalog's search function to locate relevant books, journals, and other materials that can contribute to your research.

Step 4: Consult Bibliographies and References

When you find a relevant source, take note of its bibliography or make a list of sources for the research paper. These lists often contain citations to other works that may be useful for your research.

By exploring the references cited in a particular source, you can uncover additional resources and expand your understanding of the topic.

Step 5: Boolean Operators for Effective Searches

Boolean operators are words or symbols used to refine search queries by defining the relationships between search terms. The three primary operators include "AND," which narrows searches by requiring all terms to be present; "OR," which broadens searches by including either term or both; and "NOT," which excludes specific terms to refine results further.

Most databases provide advanced search features for seamless application of Boolean logic.

Step 6: Consider Primary Sources

Depending on your research topic, primary sources such as interviews, surveys, archival documents, and original data sets can provide valuable insights and support for your arguments.

Primary sources offer firsthand accounts and original perspectives on historical events, social phenomena, and scientific discoveries.

Step 7: Evaluate the Credibility of Sources

Not all sources are created equal, and it's crucial to evaluate the credibility and reliability of the information you encounter.

Consider the author's credentials, the publication venue, and whether the source is peer-reviewed. Look for evidence of bias or conflicts of interest that may undermine the source's credibility.

Step 8: Keep Track of Your Sources

As you gather sources for your research paper, maintain a systematic record of the materials you consult. Keep track of bibliographic information, including author names, publication dates, titles, and page numbers . This information will be invaluable when citing your sources and creating a bibliography or works cited page.

Other Online Sources

In addition to academic databases and library catalogs, exploring popular online sources can provide valuable insights and perspectives on your research topic. Here are some types of online sources you can consider:

Websites hosted by reputable organizations, institutions, and experts (such as the New York Times) can offer valuable information and analysis on a wide range of topics. Look for websites belonging to universities, research institutions, government agencies, and established non-profit organizations.

Crowdsourced Encyclopedias like Wikipedia

While Wikipedia can provide a broad overview of a topic and lead you to other sources, it's essential to verify the information found there with more authoritative sources.

Use Wikipedia as a starting point for your research, but rely on peer-reviewed journal articles and academic sources for in-depth analysis and evidence.

Tips for Assessing the Credibility of Online Sources

When using online sources, it's important to exercise caution and critically evaluate the credibility and reliability of the information you find. Here are some tips for assessing the credibility of online sources:

Check the Domain Extension: Look for websites with domain extensions that indicate credibility. URLs ending in .edu are educational resources, while URLs ending in .gov are government-related resources. These sites often provide reliable and authoritative information.
Look for DOIs (Digital Object Identifiers): DOIs are unique alphanumeric strings assigned to scholarly articles and indicate that the article has been published in a peer-reviewed, scientific journal. Finding a DOI can help you assess the scholarly rigor of the source.
Evaluate the Authorship and Credentials: Consider the qualifications and expertise of the author or organization behind the website or blog. Look for information about the author's credentials, affiliations, and expertise in the subject matter.
Consider the Currency and Relevance: Assess how up-to-date the information is and whether it aligns with the scope and focus of your research. Look for recent publications and timely analyses that reflect current trends and developments in the field.

Wrapping it up!

Finding sources for your research paper may seem like a challenge, but by following these steps, you can locate credible sources to support your arguments and enhance the quality of your paper.

By approaching the research process systematically and critically evaluating the information you encounter, you can produce a well-researched and compelling research paper.

If you are struggling with finding credible sources or have time constraints, do not hesitate to seek writing help for your research papers . CollegeEssay.org has professional writers ready to assist you.

Connect with our essay writing service now and receive expert guidance and support to elevate your research paper to the next level.

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March 19, 2024

Evidence Does Not Support the Use of the Death Penalty

Capital punishment must come to an end. It does not deter crime, is not humane and has no moral or medical basis

By The Editors

A woman protesting, holding a sign showing the Ruth Bader Ginsburg.

A death penalty vigil, held in 2021 outside an Indiana penitentiary.

Bryan Woolston/Reuters/Redux

It is long past time to abolish the death penalty in the U.S.

Capital punishment was halted in the U.S. in 1972 but reinstated in 1976, and since then, nearly 1,600 people have been executed. To whose gain? Study after study shows that the death penalty does not deter crime, puts innocent people to death , is racially biased , and is cruel and inhumane. It is state-sanctioned homicide, wholly ineffective, often botched, and a much more expensive punishment than life imprisonment. There is no ethical, scientifically supported, medically acceptable or morally justifiable way to carry it out.

The recent execution of Kenneth Eugene Smith demonstrates this barbarity. After a failed attempt at lethal injection by prison officials seemingly inexperienced in the placement of an IV, the state of Alabama killed Smith in January using nitrogen gas . The Alabama attorney general claimed that this method of execution was fast and humane , despite no supporting evidence. Eyewitnesses recounted that Smith thrashed during the nitrogen administration and took more than 20 minutes to die.

On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing . By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.

Opposition to the death penalty is growing among the American public , and the Biden administration must follow through on its promise to end this horror. The Department of Justice must heed its own admission that the death penalty doesn’t stop crime, and our legislators must continue to take up the issue on the congressional floor. The few states that still condemn people to death must follow the lead of states that have considered the evidence and rejected capital punishment.

Programs such as the Innocence Project have shown, over and over, that innocent people have been sentenced to death. Since 1973 nearly 200 people on death row have been exonerated, based on appeals, the reopening of cases, and the entrance of new and sometimes previously suppressed evidence. People have recanted testimony, and supposedly airtight cases have been poked full of evidentiary holes.

Through the death penalty, the criminal justice system has killed at least 20 people now believed to have been innocent and uncounted others whose cases have not been reexamined . Too many of these victims have been Black or Hispanic. This is not justice. These are state-sanctioned hate crimes.

Using rigorous statistical and experimental control methods, both economics and criminal justice studies have consistently found that there is no evidence for deterrence of violent crimes in states that allow capital punishment. One such study, a 2009 paper by criminology researchers at the University of Dallas, outlines experimental and statistical flaws in econometrics-based death penalty studies that claim to find a correlated reduction in violent crime. The death penalty does not stop people from killing. Executions don’t make us safer.

The methods used to kill prisoners are inhumane. Electrocution fails , causing significant pain and suffering. Joel Zivot, an anesthesiologist who criticizes the use of medicines in carrying out the death penalty, has found (at the request of lawyers of death row inmates) that the lungs of prisoners who were killed by lethal injection were often heavy with fluid and froth that suggested they were struggling to breathe and felt like they were drowning. Nitrogen gas is used in some veterinary euthanasia, but based in part on the behavior of rats in its presence, it is “unacceptable” for mammals , according to the American Veterinary Medical Association. This means that Smith, as his lawyers claimed in efforts to stop his execution, became a human subject in an immoral experiment.

Courts have often decided, against the abundant evidence, that these killings are constitutional and do not fall under the “cruel and unusual punishment” clause of the 8th Amendment or, in Smith’s appeal , both the 8th Amendment and the due process protection clause of the 14th amendment.

A small number of prosecutors and judges in a few states, mostly in the South, are responsible for most of the death sentences being handed down in the U.S. today. It’s a power they should not be able to wield. Smith was sentenced to life in prison by a jury before the judge in his case overruled the jury and gave him the death sentence.

A furious urge for vengeance against those who have done wrong—or those we think have done wrong—is the biggest motivation for the death penalty. But this desire for violent retribution is the very impulse that our criminal justice system is made to check, not abet. Elected officials need to reform this aspect of our justice system at both the state and federal levels. Capital punishment does not stop crime and mocks both justice and humanity. The death penalty in the U.S. must come to an end.

This is an opinion and analysis article, and the views expressed by the author or authors are not necessarily those of Scientific American .

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