phd interview viva

Top 12 Potential PhD Viva Questions and How to Answer Them

Breathed a sigh of relief after submitting the PhD thesis you’ve burnt the midnight oil for? Not so soon! While submitting your thesis is a massive achievement, defending it decides whether you will receive the doctoral degree or not. Although every PhD viva examination is different, there are similarities in the types of questions asked at each. In this article, we shall discuss the most common and potential PhD viva questions and how to answer them.

Types of PhD Viva Questions

Generally, examiners prepare a series of questions for you to answer at the PhD viva voce examination. These questions are primarily based on your thesis. However, the questions asked in PhD viva examinations can be broadly grouped under four basic headings:

• General Questions
• Research Context and Methods
• Analysis and Findings
• Discussions and Conclusion/Implications

Therefore, while preparing for your PhD viva and defending your thesis , you must consider the types of questions you’re likely to be asked. This helps in practicing your answers in advance and not being baffled during the viva. Practicing how you would answer questions based on these four basic categories will take you a long way in your preparations.

Commonly Asked PhD Viva Questions and How to Answer Them

While sticking to answering the most commonly asked questions might sound simple, it is equally important to be prepared for counter questions. Furthermore, it’s easy to go off on a tangent due to nervousness. This leads to opening up other lines of enquiry from the examiners in areas you hadn’t probably expected to be questioned about.

Ideally, you aren’t expected to dictate your thesis as it is. Examiners are interested in knowing your understanding of the research, its methods, analysis and findings, conclusion and implications, etc.

Despite the differences in every PhD viva, you must be prepared to answer these common questions logically. Below are some popular PhD viva questions to prepare:

1. Tell me about yourself.

Introduce yourself and talk about your areas of interest related to research. More importantly, focus on the areas you are extremely positive about. Briefly speak about your past achievements without overwhelming the examiners and sounding boastful. Keep the introduction professional.

2. What is the reason for selecting this research question?

The response to this question is often generalized by saying that you are interested in the topic. However, examiners want to hear the specifications of your interest in the topic. You must plan your answer stating the most interesting aspect of your research and why did you choose the research question over another topic from the same or allied domain. Furthermore, cite certain instances that helped you in selecting the research topic and the particular field for your project.

3. What is the key focus of your research?

Remember that the answer to this question is not about summarizing your research. It involves talking about the area of primary focus of research. Most importantly, in order to demonstrate the viability of your research, it is essential to identify some of the key questions it addresses.

4. Did the research process go as per your plan or were there any unexpected circumstances that you had to deal with?

The purpose of this question is not only to see whether you can work as per your structured plan, but also to understand your readiness with backup plans in case of unforeseen situations. An ideal way to answer this is by clearly stating if the project went as per your predefined plan. Furthermore, be honest in mentioning if you were assisted by others in dealing with it, as it may lead to a new set of questioning from the examiners.

5. After completion of your research, which part of the process did you enjoy the most and why?

Remember that the examiners know about a PhD student’s stressful journey . Therefore, do not elaborate on the hardships that you went through during your research, unless asked otherwise. Emphasize on the aspects of the research project that you enjoyed and looked forward to every time you stepped in your laboratory. Describe how you developed interest in newer approaches to conduct research.

6. As a researcher, what change has this research brought in you?

This question demands a strong, progressive, and positive response. Remember your first day in the research laboratory and compare it to today. Identify the differences in your traits as a researcher. Mention how following, reading, and analyzing other researchers’ works have brought a positive change in you. Furthermore, address how you overcame your shortcomings as a researcher and upskilled yourself.

7. Summarize your thesis.

Be well versed with the entire project. Start by explaining why you selected the topic of your thesis and close your explanation by providing an optimum solution to the problem. You must prepare for 3 types of answers for this question. Prepare a 1-minute, 3-5 minutes, and 10-minute summary and use the correct one based on your audience at the viva.

8. What developments have you witnessed in this field since you began your doctorate? How did these developments change your research context?

Familiarize yourself with the advances in your field throughout your PhD. Mention works of researchers you have referred to while working on your project. Additionally, elaborate on how other researchers’ work influenced your research and directed you to finding results.

9. What original contribution has your thesis made to this field of study?

Answer this question by keeping in mind what was known before in published literature and what you have added as part of being awarded your PhD. Firstly, you must present a major piece of new information during your research project. Secondly, elaborate on how your research expands the existing literature. Thirdly, mention how your work is different from other researchers’ works that you referred. Finally, discuss how you developed a new product or improved an existing one.

10. How well did the study design work?

While answering this question, you must focus on how your planned methods and methodologies were executed. Furthermore, mention how you tackled difficulties in study design and concluded your research.

11. Elaborate on your main findings and how do they relate to literature in your field?

While answering this question, elaborate on how you evaluated the key findings in your research. Mention the key factors involved and the reason for choosing a particular process of evaluation. Furthermore, explain how your findings are related with the literature review of your project. Mention its significant contributions in your field of research. In addition, discuss how your research findings connect with your hypothesis as well as the conclusion of your research.

12. What is the strength and weakness of your research?

While you may want to impress the examiner by emphasizing on the strengths of your research, being aware of the weaknesses and planning a directional move to overcome them is also equally important. Hence, mention the strengths first and elaborate on how they connect with the key findings. Additionally, underline the limitations and the factors that could be transformed into strengths in future research.

How nervous were you while preparing for your PhD viva voce? Did you follow any specific tips to ace your PhD viva voce ? How important is it to prepare for these common PhD viva questions beforehand? Let us know how you prepared for your PhD viva voce in the comments section below! You can also visit our  Q&A forum  for frequently asked questions related to different aspects of research writing and publishing answered by our team that comprises subject-matter experts, eminent researchers, and publication experts.

Really useful in helping me put a plan / script together for my forthcoming viva. Some interesting questions that I hadn’t thought about before reading this article – the proof of the pudding will be how well the viva goes of course, but at least I now have a head start! Many thanks

Thank you, this is super helpful. I have my viva voce in a month and I’ll be using these questions as a guide

Well framed questions

This article has been incredibly helpful in preparing a plan and script for my upcoming viva. It introduced me to several intriguing questions I hadn’t considered before. The real test will be how well the viva goes, but at least I now have a head start. Thank you.

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Top 10 Ph.D. Viva Questions and How to Answer Them

Every doctoral candidate will complete the Ph.D. viva to defend a thesis and seek that coveted doctorate degree. You've worked hard throughout your academic career, and now you face this intimidating meeting! Before your viva, you might feel nervous, picturing yourself tap dancing as fast as you can in front of a firing squad. But your viva should feel more like a confident performance of your crowning research for an audience of adoring fans. Take a breath—you've done good work, and soon the committee will see that, too.

What is a Ph.D. viva? In this case, viva is short for viva voce, Latin for "living voice." The term refers to contexts in which responses to something are given out loud for people to hear, for example a real-time vote (all in favor, say "aye"!). In the academic context, the Ph.D. viva is a discussion between you (the Ph.D. candidate) and a panel of academic experts, during which you present your Ph.D. thesis. The panel of experts can include an internal and/or external examiner, your Ph.D. supervisor, and other people you can request to be in attendance, like your family members.

The examiner's main purpose is to determine that you've written your own thesis and ask you some probing questions about the work you've done. It's intended to be an open, frank conversation about your research, not an interrogation. Don't be afraid to challenge points your examiner makes if they don't align with what you've found in your study. Your expertise and passion about your work will demonstrate that you know your stuff and care deeply about it.

Of course, in order to think clearly and objectively about the subject you've been immersed in for months, you will need a healthy dose of confidence. To help you gain that confidence to make your viva a positive experience, preparation is key. Here are some prompts and questions you might be asked and how you can prepare beforehand to answer them.

1. Tell us about your study

Usually the first question is an opener and is asked with the goal of breaking the ice and getting you talking about your thesis. The items the panel presents to you will start broad and get more specific and involved as your viva progresses. Since you're here to talk about your project, give a good overview of who you are, your history in the field, and the process you followed in your study. You will have a lot of potential detail to provide, but since you won't know how much your panel is looking for, prepare synopses of different lengths: 1-minute, 3-minute, and 5-minute summaries.

2. What are your main research questions and why did you select them?

You'll very likely be prompted to talk about your research questions in detail, so be prepared to list the questions you set out to answer and the motivation behind selecting each one. Also, be prepared to discuss your aims, objectives, and hypotheses, just in case they ask about those as well.

3. What original contribution has your thesis made to this field of study?

Before you began your study, you probably looked at the gaps in the existing literature and decided on a research direction to fill those gaps. Now that you've finished your research, tell your panel what the world knows now as a result of your work. When future researchers delve into your subject matter, what will they cite you on?

4. Whose work has most influenced yours?

Because you went through the process of determining what your field of study still needs in terms of research and the kind of analysis that will contribute to it, you possess a pretty clear understanding of what has already been done. A lot of that knowledge comes from your academic journey leading up to the awarding of your doctorate, during which you've read a lot of papers and delved into the work that has been done before yours. Talk about the most influential works you've encountered. This can be a work that inspired you or papers that you felt were done poorly and motivated you to get it right. Bonus: The chair of the viva will be someone who knows a lot about your field, so take some time to get familiar with his or her work. Don't be a stalker, but be prepared to mention that you know what he or she has done. Not only will that demonstrate that you've prepared yourself for your presentation, but it will also show an interest in his or her life's work, which can't hurt. Don't spend too long on this, though—you're here primarily to talk about your work, not theirs.

5. What are the strengths and weaknesses of your thesis?

You certainly want to brag about your thesis and offer reasons why you and your work are great, so don't hold back about what went right. Start with the strengths; outline your main findings and give reasons why your study enabled you to uncover them. Then, while it might feel counterintuitive to point out the ways that your thesis isn't the greatest ever, a report about the weaknesses of your research shows a sense of self-awareness and humility that benefits your study in that it paves the way for future researchers and shows that you aren't blind to your own potential for growth. If you prepare your response to this question before your viva, you can craft your response to show that you have already thought about the ways you can address the weaknesses of your thesis.

6. What ethical considerations did you apply?

Most Ph.D. candidates encounter ethical issues during the course of their research, and the committee might want to know whether you took measures to ensure an ethical project. Did you follow any ethical protocols in gathering data? Did you provide informed consent to participants in your study? What are the ethical implications of your work?

7. Did your study go as expected? If you had to start the thesis again, what would you do differently?

Every researcher has at least some idea of what he or she might find upon performing a study. Many form research questions and perform the study to provide support for that expected outcome, but sometimes the research leads to a different result. Consider what your own expectations were before you began and the path your research process took, either in alignment with that expectation or not. Knowing what you know now, would you change anything about your research? Would you approach the process differently? Maybe you would forego a step or two knowing that it wasn't as consequential or helpful as you originally thought.

8. Now that you've completed your study, what did you enjoy about the process?

Ph.D. thesis examiners are looking for a candidate who is passionate about the work. Remember that they know exactly how stressful the process is, so avoid delving into the hardships you encountered. Instead, give a summary of the high points and the reasons you were excited to keep going. While you should keep the tone professional and avoid gushing, feel free to talk about your personal motivation for pursuing this study.

9. If funding was no object, how would you follow up on this project?

Every researcher faces limits regarding the scope of a study that prevent them from gathering as much data as they'd like. Time limits, budget caps, and lack of interest or willingness among study participants can all put a damper on the dreams a researcher has for an analysis. Money can solve most obstacles within an examination, so dream big—what could you make happen with an infinite budget? This is another question that reveals your passion for the subject.

10.What are your plans for the future?

Questions might not be limited to your thesis, so give some thought to where you will go from here. Describe your plans for your future research or professional pursuits; this gives the panel a sense of your passion for the work and sets you apart from a doctoral candidate who is just trying to check the boxes and get a diploma in hand.

The questions your panel asks you on the day of your viva will probably not be exactly the ones listed in this article, but these topics will almost certainly be covered during the discussion with your examiner. If you prepare responses to these questions and make sure you know your thesis inside and out, you will be much more ready to answer whatever the experts ask you. Equally important, planning out your responses will also help calm your nerves before this very important event, so give yourself the gift of preparation as you anticipate your Ph.D. viva. Good luck—you'll do great!

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Sunday, October 13, 2024

• Top 40 potential questions to be asked in a PhD viva or defense

June 20, 2024 Filed under Blog , Featured , Presentations , Resources , Writing  

“Your thesis content” by errantscience.com

Students worry about their vivas. They wonder whether they need to do additional work or read textbooks and articles again. For most students, they don’t need to do all this. My advice has consistently been the following to prepare for your viva: Pick up dissertation a few days before the viva, and read through it to remind yourself of what you did and wrote. Do not fret about misspellings or other minor issues. They are inevitable, and the examiners will not be too taken aback by a few errors here and there. Then, spend time thinking.

What is important is that you think more broadly about the work that you have been doing, how it fits into your discipline, what you might have done differently in hindsight, and where you or the community could go next.

There used to be a blog called Research Essentials hosted by the Open University that had this list of 40 potential viva questions to help candidates prepare for their vivas or defenses. This list of questions is excellent preparation for your viva, and I have shared it with many of my students. This blog has since gone, but others have promoted this list of questions and not attributed it to the original author. Wanting to make this resource more widely available and ensuring the original author gets the credit, I am promoting it here. Please find this list below.

Thank you to the original author Rebecca Ferguson , then a research fellow at The Open University, now a professor.

1. Can you start by summarising your thesis? 2. Now, can you summarise it in one sentence? 3. What is the idea that binds your thesis together? 4. What motivated and inspired you to carry out this research? 5. What are the main issues and debates in this subject area? 6. Which of these does your research address? 7. Why is the problem you have tackled worth tackling? 8. Who has had the strongest influence in the development of your subject area in theory and practice? 9. Which are the three most important papers that relate to your thesis? 10. What published work is closest to yours? How is your work different? 11. What do you know about the history of [insert something relevant]? 12. How does your work relate to [insert something relevant]? 13. What are the most recent major developments in your area? 14. How did your research questions emerge? 15. What were the crucial research decisions you made? 16. Why did you use this research methodology? What did you gain from it? 17. What were the alternatives to this methodology? 18. What would you have gained by using another approach? 19. How did you deal with the ethical implications of your work? 20. How has your view of your research topic changed? 21. How have you evaluated your work? 22. How do you know that your findings are correct? 23. What are the strongest/weakest parts of your work? 24. What would have improved your work? 25. To what extent do your contributions generalise? 26. Who will be most interested in your work? 27. What is the relevance of your work to other researchers? 28. What is the relevance of your work to practitioners? 29. Which aspects of your work do you intend to publish – and where? 30. Summarise your key findings. 31. Which of these findings are the most interesting to you? Why? 32. How do your findings relate to literature in your field? 33. What are the contributions to knowledge of your thesis? 34. How long-term are these contributions? 35. What are the main achievements of your research? 36. What have you learned from the process of doing your PhD? 37. What advice would you give to a research student entering this area? 38. You propose future research. How would you start this? 39. What would be the difficulties? 40. And, finally… What have you done that merits a PhD?

You can find the full original blog post, as well as all the comments on it, on the Internet Archive’s Wayback Machine: https://web.archive.org/web/20220718161632/https://www.open.ac.uk/blogs/ResearchEssentials/?p=156

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5 tips for passing your PhD viva

Every Doctoral researcher is expected to defend their thesis through an oral test known as a viva voce - so discover how to prepare for your PhD viva and ensure you make a good impression on the examiners

1. Understand what's expected of you

The PhD viva exam has traditionally always taken place in person, with the interview style discussion overseen by at least two (internal and external) examiners. Afterwards, you would be provided with a joint written report detailing any corrections that need to be made.

However, during the pandemic, the online PhD viva become more commonplace with this exam more likely to take place via Microsoft Teams, Skype or Zoom. Even now, a number of years later, many universities still allow for the viva to take place online, or a hybrid of online and in-person assessment.

The virtual experience still follows much the same format, but you'll be briefed in advance about the arrangements and any technical aspects to bear in mind. You can prepare for an online PhD viva by reading our video interview tips .

The chair of the viva is usually the internal examiner, although it can be an independent person. If you and the examiners agree, your PhD supervisor can also be present.

The examiners' main objective is to ascertain that you've written your own thesis, so if you have and are ready to talk through how you completed it, there's no need to panic. You may even enjoy the viva voce test.

In addition to assessing your thesis, the examiners are also there to assist you in deciding how and where this research might be published.

There are various results between a 'pass' and 'fail' but it's very rare to slip up at this point of a PhD. Most Doctorate awards will be made upon the condition that a number of minor corrections are made, with re-submission requests far less common.

While the pass rate is high, the viva exam itself can still be intellectually demanding. This is because you'll be debating issues that are conceptually complex, so preparation is crucial to your success.

At the end of it, whatever the outcome, be prepared to take on board any advice, as the examiners are there to help you improve your argument or the presentation of your thesis.

2. Know your thesis inside out

While this isn't a memory test - as you're fine bringing notes and a copy of your thesis with you - it's still important to gain a good understanding of what you've written and be knowledgeable about your field of study.

You'll need to think carefully about where this original piece of work would be placed in the context of the wider body of research carried out in this field. Questions will be asked about this, as well as whether the project could possibly be developed further through any future research.

As you'll be explaining parts of the document to the examiners (who'll also have a digital or physical copy), make sure the pagination is the same in your version as the one they're looking at to avoid any issues regarding everybody being on the same page.

If you get stuck at any point during the viva exam, you can use looking at the thesis as an excuse to re-focus and gather your thoughts.

3. Anticipate the PhD viva questions

The examiners will have prepared a series of questions for you to answer at the viva voce, but this is nothing to get too concerned about. The questions will all be based on your thesis - what it's about, what you did and what you found out - and why this matters, in relation to your field of study.

So when getting ready for the viva, consider the types of questions you're likely to be asked, including:

• What original contribution has your thesis made to this field of study?
• Explain the main research questions you were hoping to address.
• What are the strengths and weaknesses of your thesis?
• If you had to start the thesis again, what would you do differently?
• If funding was no object, describe how you'd follow on from this project.
• What are your plans for the future?

It can be helpful to practise your answers beforehand, ideally vocalising them by arranging a mock mini viva - although, as you aren't restricted in terms of referring to notes in the exam, you can leave room for spontaneity, and you don't need to learn it all off by heart.

If your viva is being held online, you can ensure any technical issues are identified before the day by having a run through with your supervisor or a friend.

While it may sound simple, stick to answering the questions posed. It's really easy to go off on a tangent and this can open up other lines of enquiry from the examiners - possibly in areas you hadn't expected to be quizzed about.

On the other hand, it's completely fine to bring personality to your reasoning and use stories as a means of describing the learning process you've gone through and the techniques mastered over the last three or four years that have brought you to this point.

4. Learn about your examiners' own work

The senior and well-respected academics who'll be reading your thesis will have their own ideas on conducting PhD standard research. Therefore, it's worth taking a look online at their academic and LinkedIn profiles to discover if there's any correlation with the research they've had published and your own work.

From this, you should be able to gain a better idea of their motivations, their possible views on your thesis and the kinds of questions they might wish to discuss after having read through it.

You should research up-to-date theories, read any recent papers on the subject and speak to others who've recently had their own viva exam. Think about how your work differentiates from the research carried out by others in your chosen field.

Prepare to provide any supporting evidence asked of you by the examiners - for example, they may request to see experimental data you mention once the exam is over.

It's also necessary to check the policies and practices in place at your university and be sure of what the roles of the examiners are and how the viva panel will be structured. In many cases, Doctoral students can choose the examiners conducting the PhD viva.

5. Plan towards the viva exam

From the moment you know the date of your viva voce, work backwards and plan the steps you'll need to take before the day itself. Allow enough time to assess and review your work so that as the day approaches, you can focus on the practicalities.

This encompasses everything from making sure you relax, eat and sleep well the day before to arranging transport so you get to the viva on time.

An online PhD viva will present its own challenges, so ensure your working space is presentable and you still make an effort in terms of what you'll be wearing.

It's always advisable to adhere to interview etiquette and go with something that's both smart and comfortable. By looking the part, this should get you in the right frame of mind to communicate in a professional manner.

In the build-up, avoid any situations that might make you feel stressed and instead try to adopt a positive attitude, one that results in a genuine eagerness to engage in a debate about the work you've been toiling over.

If you're travelling to the exam, be sure to check that you have everything you need, including the thesis, plus any notes or other materials that will help support your claims.

The Doctoral viva can last between one and four hours - usually two - so it's necessary to pace yourself to get off to the best possible start.

Remember, the examiners aren't trying to trip you up - they want you to pass and are primarily there to hear you talk about your project. So, after the polite introductions, they'll typically start with an icebreaker to put you at ease and help calm the nerves.

It's meant to be an open and honest conversation about your work, so feel free to politely disagree with the examiners, especially on areas you feel strongly about. Don't forget to use examples from your thesis to back up what you're saying, remembering to be clear and concise.

If you know your way around your thesis and can explain your thinking and way of working, this test shouldn't be a problem. And if you don't know the answer to a specific question - admit it, as it's better to concede your limitations in an area than ramble on and hope they don't notice you're struggling to come up with an explanation.

Remember that no research is perfect, so it's important to appreciate this during the discussion - but don't be too overcritical about your work either, as that's not your job.

Finally, as the PhD viva can quickly move from a series of friendly questions to those that are more in-depth, take some time to think before answering. Don't worry about any periods of silence from the examiners, as this certainly isn't an indication that you're doing badly.

Find out more

• Read about 5 challenges faced by PhD students .
• Explore possible careers at your PhD, what next?
• Consider getting an academic job .

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How to answer viva questions

Preparing for a PhD viva can be stressful, but you can take steps to ensure you answer the examiners’ questions about your thesis well. Jenny Scoles provides tips

Jenny Scoles

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“Just enjoy the viva,” they say. Ha! “Enjoyment” was not what came to mind when thinking about my PhD viva. But I knew it was my only chance to speak to people who had read my thesis and, unlike my long-suffering family and friends, were genuinely curious about why I didn’t use NVivo and why I hadn’t referenced the original citation on page 243. So, when it came to prepping for mine a few years ago (I submitted it in September and my viva wasn’t until January, so I had a decent amount of time to prepare and find spelling mistakes), I made sure I was as ready as I could be.

I found a lot of online viva  resources  and  blog posts  that provided helpful lists of possible questions you may be asked to help you prepare your answers. However, what I found most helpful were the tips from my supervisors during my mock viva (tip one: have a mock viva with your supervisors). Specifically, they talked about how I should answer the examiners’ questions, not necessarily what to say. 

Signpost your answers

Examiners will undoubtedly ask you, in so many words: “What is your original contribution to knowledge?” As with all replies, keep your answer clear; don’t make things too complicated. Structure the points you want to make so you can signpost the examiner to your main thesis contributions, just as you would have in your written conclusion. For example, I said: “My thesis makes three original contributions to knowledge: firstly, a theoretical contribution, secondly, a methodological contribution, and thirdly, a pedagogical/practical contribution,” and kept to a few sentences for each of the three points.

It’s a game of stamina

At the beginning of the viva, i t ’ s easy  to want to just keep talking through nerves or worry that you want to show off everything at once. My viva was only an hour and a half, but I’ve heard of some lasting more than five hours – it just depends on the examiners, and what emerges on the day. Have faith that, when answering the first few questions, you don’t have to reel off your whole thesis there and then. Take your time; it’s an exhausting few hours. I hit the wall after an hour as I’d begun to relax into it and my adrenaline dropped (I did a few over-loud sighs without realising). So, pace yourself. If you are worried that you have not answered their question, you can politely ask if the examiners would like you to expand on what you’ve said further.

• Collected advice to help you complete your PhD dissertation
• Resource collection: What I wish I’d known about academia
• Early career researchers can say no, too
• When am I going to be found out? Tackling academic impostor syndrome

Although it’s a defence of your thesis, don’t come across as defensive

This is a hugely useful distinction that I was made aware of. The examiners are there to critically pick apart your thesis, probing why you did certain things and not others. Yet this thesis is your baby, and no one but you can say your baby isn’t perfect. So your hackles rise and, perhaps without realising it, the tone or manner in which you reply could come across as too defensive and it could make the examiners feel defensive, too. They’re only human, after all. You can still defend your reasons politely but firmly. “That’s a really interesting way of looking at it, but I found, for my study, it was more helpful to look at it this way” is a good response.

Don’t know the answer? Sometimes the examiners may ask you something that you have not even thought about, let alone prepared for. At this point, have a few stock phrases up your sleeve to give yourself time to mull things over. The following are effective:

• Well, now that I think about it like that…
• I’m only starting to see this now…
• That’s a very good point, I’d like to look at this issue in more detail.

Practise speaking your answers aloud to get used to your voice; the best prep I did was with a colleague who had her viva at a similar time to me. We scheduled weekly Skype sessions in the weeks before and practised asking each other unseen questions. This helped me get used to hearing my own voice and let me play with how I could verbalise concepts and ideas that I had only, up until then, put into writing and had lived in my head.

Prepare questions of your own

As in an interview, it looks professional if you have a few questions prepared for the examiners for the “any questions?” part at the end. For example, you could ask their thoughts on where you could publish future journal articles from your PhD. Or how a particular concept you developed fits with their own work (brownie points for having read the examiners’ latest papers).

And, finally, two tips from me after having survived

Simplify the notes you take in with you: I was allowed to take in as many notes, thesis drafts, books and lucky mascots as I wanted. However, if you are relying too much on your answers coming from reading your notes, the flow of conversation will falter, and you may end up getting into a bit of a sweat. As part of the revision process, I made colourful mind maps that summarised the main points I wanted to make for each potential question. I took these into the viva and laid them out in front of me, which meant I could flick my eyes to them if my mind went blank.

Enjoy it…or just get through it 

It’s easy to say: “Just enjoy your viva!” once you’re out the other side. So, if you enjoy it, that’s a bonus! If not, well done for having got to that point in the first place and, whatever happens, reward yourself handsomely at the end.

Jenny Scoles is an academic developer (learning and teaching enhancement) at the University of Edinburgh.

This post was originally published on  theofficedog blog and the University of Edinburgh's Teaching Matters blog.

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How to Excel in Your Doctoral Viva

• © 2022
• Stacey Bedwell 0 ,
• Isabelle Butcher 1

Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK

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Department of Psychiatry, University of Oxford, Oxford, UK

• Explains what the viva is, how the process works, and what the purpose of the viva is
• Explores the course of preparing for a viva examination, focusing on organisation through to dealing with viva concerns
• Features contributions from over 25 academics for a unique insight into the experiences of PhD candidates and examiners

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• life sciences
• social sciences
• research degree

Table of contents (11 chapters)

Front matter, introduction.

• Stacey Bedwell, Isabelle Butcher

What Is the Viva?

Isabelle Butcher

Urban Myths about the PhD Viva

Stacey Bedwell

Real Viva Experiences

Making the most of and enjoying your viva, after the viva, practice questions, being confident in your thesis, the viva preparation timeline, participating in a mock viva, viva concerns, back matter.

— Sarah Lloyd , final year PhD candidate

— Gemini Katwa , PhD candidate

Authors and Affiliations

About the authors.

Dr. Isabelle Butcher  was awarded her PhD in Psychology in 2021 from the University of Manchester, UK, for her work on the negative symptoms of schizophrenia and traumatic life events. Isabelle’s current research interests are in the area of adolescent mental health and the impact of traumatic life events. Isabelle also has a keen interest in the ethics of research and is currently chair of an NHS ethics research committee.

Bibliographic Information

Book Title : How to Excel in Your Doctoral Viva

Authors : Stacey Bedwell, Isabelle Butcher

DOI : https://doi.org/10.1007/978-3-031-10172-4

Publisher : Palgrave Macmillan Cham

eBook Packages : Education , Education (R0)

Copyright Information : The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2022

Softcover ISBN : 978-3-031-10171-7 Published: 16 September 2022

eBook ISBN : 978-3-031-10172-4 Published: 15 September 2022

Edition Number : 1

Number of Pages : XIII, 183

Number of Illustrations : 69 b/w illustrations

Topics : Science Education , Higher Education , Psychology, general

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• PhD Interview Questions and Answers – 12 Things You May Be Asked

PhD Interview Questions and Answers

Written by Mark Bennett

Your PhD interview will be an important part of your postgraduate research application. This is your chance to meet your prospective department, discuss your project and show your potential as an academic researcher.

Of course, it’s also when that potential is going to be assessed.

You’ll need to show an awareness of what’s involved in a PhD project and prove that you have the right aspirations and approach to work on one for three (or more) years. You’ll also need to make it clear that this is the right university , department, research group or laboratory for you.

None of this has to be especially intimidating. Putting some thought into your project and your choice of institution can make answering PhD entrance interview questions quite simple.

On this page we’ve put together a list of the questions you might be asked at an interview. We’ve also explained why the university might be asking each question, and provided some tips on how to answer them

You won’t necessarily be asked all of these questions – and you almost certainly won’t be asked them in the order here. Some of them also overlap with each other. But they’re all topics that you should prepare to discuss at a PhD interview .

We’ve also included a selection of questions to ask during a PhD interview .

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Interview questions about you

Your qualities as a researcher, team-member and individual are some of the most important factors in a university’s decision to accept you for a PhD.

Regardless of your subject area, you need to be the kind of person who can dedicate themselves to a three-year project. You also need to be able to work alongside other students and academics in a positive and successful research environment.

The interview is the best way for a university to assess this. Just as there’s more to doing a PhD than research and writing, there’s more to a prospective candidate than their academic record.

#1 Tell us about yourself…

This popular opener can feel like an awkwardly open ‘question’.

You’ll be prepared to explain your project, to say what a great fit it is for the university, perhaps even reference some current research. But how do you ‘answer’ an invitation to introduce yourself?

By introducing yourself.

Your interview panel isn’t trying to catch you out here. They’re offering an icebreaker to help ease you into the rest of the interview.

Obviously your response should be relevant to the occasion. But it doesn’t just have to be a presentation of your academic achievements, interests and goals (the interview will get to those in time!).

Say a little about your background, where you’re from and what your interests are. Don’t be afraid to relate these to your academic specialism and your choice of university.

If something specific inspired you to consider a PhD, mention it. If there’s something that’s attracted you to this city as well as the university, say so. (There’ll be plenty of time to talk up the institution and its research later).

• I’ve always been interested in discovering how things work, but my time as an undergraduate opened my eyes to the excitement and wider benefit of science. I had the chance to do some original research on my Masters and that’s inspired me to take up the challenge of a PhD. I’m also a keen hiker and amateur naturalist, so I’d love to combine my studies here with the chance to visit the local area.
• I was born in a house next to the local post-office. My first cat was called Timothy and he liked chasing string. At school my best friend was Kevin. My favourite colour is blue and my favourite flavour of ice-cream is raspberry ripple…

#2 What made you choose to do a PhD?

At some point in your interview your interviewers are going to want to know why you decided to do a doctorate.

This may seem like a simple question, but be wary of giving an overly simplistic answer. Just pointing out that you’re good at your subject and a PhD seemed like the logical next step won’t be enough – especially if there’s a funding decision to be made.

The panel is already satisfied that you’re academically capable and interested. You’ve demonstrated that by getting an interview (and turning up for it).

Now they want to assure themselves that you’ve got the motivation and drive to see you through three or more years of hard work on a PhD project.

• I’ve enjoyed my academic work so far, but I really feel I’ve got more to offer as an independent researcher. I’m also passionate about this subject and don’t feel enough attention has been paid to the questions I’m looking to address.
• I can’t think of anything to do with my Masters, but my current tutor says I’m clever enough for a PhD.

#3 What do you plan to do after you complete your PhD?

It might seem strange for your panel to ask about your post PhD plans. After all, those don’t have any really impact on your ability to do a PhD, do they? And graduation is at least three years away in any case; should you have thought that far ahead?

The answers to which are ‘yes’ and ‘of course you should.’

Universities want to make sure you’re doing a PhD for the right reasons (as above). Asking about your future plans is a great way to check this.

Students who ‘sleepwalk’ into a research project are much more likely to come unstuck or lose motivation when the going gets tough later on.

This doesn’t mean you have to have everything worked out, or that your ambitions have to be unique. If you're planning to apply for a post-doc after your PhD, say so. But demonstrate an understanding of academic career paths – and show that you’ve put some thought into alternatives.

It’s also the case that not everyone who gains a doctorate will go on to an academic job. Universities want to recruit PhD students responsibly and provide the kinds of skills and training they actually need.

So, don’t feel that you have to want to be a scholar to be accepted for a PhD. Research training can prepare you for a range of career paths . An appreciation of these will impress your interview panel. (Particularly if you’re applying for a professional doctorate ).

• I feel my PhD project can open up new lines of inquiry for this field and want to use it as the foundation for a fruitful research career. But, I’m also interested in the wider development opportunities included in this doctoral programme. I want to be an academic, but I’m happy to keep other options open.
• I expect someone will give me a job doing more research. That’s what PhDs do, right?

#4 What are your strengths and weaknesses?

A well-worn question, but a great opportunity to reflect on your abilities - as well as opportunities for further development during your PhD.

What your panel is really interested in is not so much what your strengths and weaknesses actually are , but your ability to identify them.

In practice, this means giving solid examples for strengths and showing how they relate to the PhD project you have in mind.

Don’t just say you’re a good time-keeper. Point out when you’ve had to be well organised and show that you understand the importance of self-directed study to a successful PhD.

When it comes to weaknesses, maintain the right balance.

A PhD interview probably isn’t the best time to wallow in existential self-doubt (unless you’re applying for a very specific topic in Philosophy). Equally though, answers like ‘my only downfall is excessive perfectionism’ can sound a bit contrived. If the panel is asking you about strengths and weaknesses, they want you to identify and reflect on both.

Be honest about the things you find challenging, but identify them as training needs and discuss how you expect to improve upon them as part of your PhD.

• I feel that I’m a good written communicator. My existing academic and professional work demonstrates an ability to put forward ideas clearly and concisely. I think this will help me manage the weight of information my PhD research needs to cover and the challenge of producing an effective thesis. But, I’m not always as organised as I’d like to be. I want to address this as part of my postgraduate training and hope to take advantage of classes and development opportunities early in my doctorate.
• My greatest strength is that I have no weaknesses! And my only weakness is that I have no strengths. Hang on...

#5 Are there any training needs you can identify ahead of your PhD?

This question (and its answer) can be part of an invitation to reflect on your strengths and weaknesses (as above).

But, you may be asked about training needs more specifically. This is likely if you’re applying to a more structured programme, within a Doctoral Training Partnership or similar.

Either way, this is a great opportunity to reflect on your aspirations as a researcher and show that you’ve read up on the project you’re applying to. If the university offers a series of training modules, mention them. Say what you hope to gain from them and how you think they’ll help you succeed in your PhD.

You might also want to refer to any discussion of your aims and aspirations with a doctorate. If you’re keeping an open mind about non-academic career paths, show an awareness of the transferrable skills this PhD can give you.

And don’t worry about revealing a few gaps in the core skills required by your discipline. A PhD is a training process, not a three-year exam.

• I’m really interested in communicating my research to a wider audience, but don’t know how best to go about doing this. I think the training module on public engagement will be a big help to me, both academically and more generally.
• I’m really bad at interviews. Do you have a class for that?

Interview questions about your PhD project

This is the university’s chance to further assess your suitability for an advertised PhD position, and the likely fit between your planned project and the expertise it has available.

It’s also your chance to expand on your research proposal and show that you have the skills, experience and understanding to complete a doctorate. For funded places (or other competitive projects), this is the time for you to prove that you are the best student for this PhD.

It’s a good idea to reference your research proposal (or other appropriate parts of your application) when answering these questions. But expand upon what the panel has already read. (And make sure there isn’t anything in that proposal that you aren’t confident enough to ‘back up’ in your interview!)

#6 Why this project?

The exact focus of this question will depend on whether you’re applying for an advertised PhD project (more common in Science, Engineering and Medicine) or proposing your own research within a department's PhD programme (more common in Arts, Humanities and some branches of the Social Sciences).

If you’re being considered for a pre-defined project, make sure you know it inside out. Say what it is that interests you about it. Compare it to similar projects (if appropriate) and explain your particular choice.

If you’re proposing your own project, this is your chance to show some passion and enthusiasm for it. Refer to your research proposal and take the opportunity to discuss and expand upon it.

In both cases you should point to some existing scholarship and show an awareness of the field you’ll be entering. You’ll also want to re-iterate what makes your project distinctive. After all, the PhD is defined as offering ‘an original contribution to knowledge.’

This doesn’t mean preparing a comprehensive list of key works or current research projects (that ‘literature review’ will be one of the first things you do on the actual PhD). At this stage the panel just wants to see that you understand your proposed project and are enthusiastic enough to see it through.

Depending on how the question is phrased, you may also discuss your choice of university at this stage – or explain why your previous work makes you a good fit for this particular PhD (see below).

• This PhD appeals to my existing research interests. But I’m also attracted by the opportunity to specialise and develop new expertise. Other projects didn’t seem to offer the same possibilities to pursue the questions that really interest me.
• To be honest, I’ll do anything if it’s funded.

#7 What makes you the right candidate for this PhD?

If you’re applying for a pre-defined PhD project , you’ll almost certainly be asked why you are the best candidate to undertake it (especially if there’s funding available).

Remember too that some of these projects aren’t automatically funded. Their financing can depend on the quality of the student they attract, so your panel will be very keen to make sure you’re going to be ‘Dr Right’.

You might still be asked about your suitability for a self-proposed PhD (in Arts or Humanities, for example). This is another way for your interviewers to assess those all-important motivation and commitment factors.

Whatever your situation, this is a good place to talk a bit about your previous work at undergraduate or Masters level. The panel already knows the grades you received, but now you have the chance to talk about what you actually did on those degrees. Show passion and give examples.

If an undergraduate module on gothic literature inspired you to propose a PhD on an under-researched aspect of eighteenth-century culture, say so. If your Masters has given you skills in exactly the kind of statistical analysis required by this doctorate, mention that.

• I’ve been interested in this topic since the final year of my undergraduate degree. This lead to my choice of Masters and helped me pick my dissertation topic, which I really enjoyed. I’m really excited to now go on and do some sustained research in this area as a PhD student.
• Well, I really like books…

#8 What difficulties do you expect to encounter during this project?

This is another fairly popular question topic. It might form part of a discussion of your strengths, weaknesses and training needs. Or you might be invited to speak more specifically about the challenges involved in your project.

The panel isn’t trying to catch you out here, so don’t be afraid to speak frankly. All projects involve their own potential pitfalls and complications.

Overcoming them will be part of completing a PhD; recognising them will show that you're ready to begin one.

Show that you’ve put some thought into the approach necessary for your research and the methodology you might use.

Don’t be afraid to identify problems you aren’t yet certain how to solve (the best way to organise some data, the authors to include in your initial survey of texts, etc) but suggest how you might go about investigating them.

This is also a good time to mention any training needs (if you haven’t already) and speak about how you plan to take advantage of development opportunities within your programme.

• I can see that some of the archival material I’ll need to examine for this project may be difficult to access. My first task will be to request permissions, arrange visits and develop a system for recording my findings. I’m hoping to undertake training in archival practices and seek advice from my supervisor as I develop these key skills early in my project.
• Yeah, I know a PhD is hard, but I’m just going to see how I get on.

#9 What would you like the impact of this project to be?

‘Impact’ is an increasingly important factor in academic work and this applies to PhD research too – especially if you’re funded.

Even if your panel doesn’t explicitly ask about impact, it’s a good idea to mention what you hope the wider outcome of your project might be. If you are asked this question – and are prepared for it – this is a great chance to get a leg up on the competition.

Impact essentially refers to the measurable effects of research outside academia. It’s a given that your PhD will have an effect on future work in your field. But universities are increasingly focussed on the benefits of their work beyond the ‘ivory tower’ of higher education and research.

This is particularly important if your project is funded. The money supporting your studies will probably have come from public revenues (via a Research Council studentship) or from a large charity or trust. Those organisations will want to make sure their investment is worthwhile.

Examples of impact differ a bit between fields.

If you’re in the Social Sciences you may already have some idea of the ‘outputs’ from your project. These could be educational workshops, policy guidance, etc.

If you’re in Science, Medicine or Engineering you’ll hope to provide economic benefits to industry or to healthcare.

Arts and Humanities PhDs can have impact too. Think about the ways in which you could take part in public engagement, such as teaching people about local history or archival resources. You could partner with local schools, or even media companies producing documentary work.

• I’m keen to share my passion for this subject with a wider audience. I’m hoping to maintain a public-facing blog documenting my research. I would also be keen to approach local schools and museums to discuss educational events.
• To be honest, I can’t really see how my work on medieval manuscript preservation has any benefit outside the university. I’d still like some funding though.

#10 How will you fund this project?

This question is obviously more likely in interviews for non-funded PhDs. (It would be somewhat strange for a university to ask you about funding for a project that carries a full studentship).

However, you might still be asked about contingency plans if funding falls through (particularly if funding hasn’t been secured at this stage) or if your project over-runs.

Self-funding students will obviously need to go into more detail here. It’s not the responsibility of your university to ask for a complete breakdown of your finances (or for you to provide one). Yet the panel will want to be sure that you understand the cost involved in doing a PhD and have some kind of plans in place.

It’s fine to say that you’ll be looking for extra funding and part-time work as you start the project. But make it clear that you’ll still have enough time to apply yourself to the actual research.

• I’ve shortlisted external funders and would be keen to investigate any small bursaries or other forms of support through the university. I’ve also made arrangements to work part-time, with the option to adjust this if my funding situation improves.
• I have no idea how I’m going to afford this. Are you sure I can’t have a scholarship?

Interview questions about your choice of university

Unsurprisingly, your interview panel will be interested to know why you’ve chosen their university for your PhD.

If proposing your own project you’ll be asked about the fit between your research aims and the expertise of the department you’d be entering.

If applying to a pre-defined PhD, you’ll be invited to explain why this laboratory or research group particularly appeals to you and what you yourself can contribute to them.

Preparing for these kinds of questions is actually quite easy. Read up on your prospective university, department and supervisors. Show that you’re aware of the kind of work they do and give examples.

Feel free to mention other aspects of the university that appeal to you – its reputation, its alumni, even its location – but keep the main focus on the fit between your work and their research environment.

#11 Why have you chosen to study a PhD at this university?

Whatever else your panel asks, you can be pretty sure a question about your choice of university and department will crop up at some point in a PhD interview.

Your answer gives you the opportunity to do several important things.

Most obviously you can talk about the university and its research. Explain why you’d like to study with these supervisors in particular, when you’ve used their work during your Bachelors degree or Masters (if relevant) and how you can contribute to their future projects.

This is also an opportunity to reiterate your awareness of the wider research context for your project. If other departments or laboratories are undertaking related work, mention that. Say what attracted you to this university in particular and what you hope to achieve as one of its students.

If your PhD is part of a structured Doctoral Programme (as is increasingly likely) you can touch on any training and development opportunities it includes. You may mention these elsewhere in your interview, but make sure to include them when speaking about the university’s appeal to you.

Finally, show an awareness of any relevant research facilities, resources or collections.

Does the university hold a unique archive? Suggest how it might support your investigations. Has the laboratory you’re working in been equipped with any new facilities? Show that you know about them and are interested in using them (as relevant).

Universities spend a lot of money on facilities and resources. They want students – particularly postgraduate researchers – who will make use of them.

• I’ve looked at lots of opportunities in this area. I feel that this project is the best of its kind, combining a unique research angle with a training programme that will meet my professional needs. I was already familiar with the work of my prospective supervisor and their research has greatly informed my own development as a scholar. I’m eager to combine my work with theirs and make use of the facilities the university has put together for this project.
• I did my Masters here and already have a flat in the city.

#12 What can you bring to this research group?

PhD candidates are more than just students. You’ll function, in many ways, as a junior academic working within a wider research environment.

You’ll network with other students and academics. You’ll probably teach undergraduates. You may even publish some of your research (independently, or alongside your supervisor).

This means that your potential contribution to a department or laboratory is, in many ways, just as important as what it can offer you.

If you’re asked a question about this, take the opportunity to sell yourself a little.

Talk about your experience (academic or professional) and outline your ambitions. Make it clear that you will provide a return on the time, money and resources that the university is considering investing in you.

• I’m eager to take advantage of the facilities and expertise this university has to offer. But I also want to contribute with my own expertise and enthusiasm. My previous work has given me the skills to make the most of the material involved in this project and I’m motivated to participate in new training. I’ll be proud to be a part of this department and would actively seek to represent it through my own publications and other research outputs.
• I have a Bachelors and a Masters in this subject so I’m quite clever.

What to ask in a PhD interview

Your PhD entrance interview will probably end with an invitation for you to ask your own questions of the panel. This part of the interview is as important as the answers you'll have already given.

Asking good questions demonstrates your motivation. It also shows that you’ve given some genuine consideration to the project and / or programme you’re applying to.

Don’t just ask questions ‘for effect’ though. This is your chance to find out more about the project you’ll be doing, the people you’ll be working with and the expectations of you as a PhD student.

Remember: you’re a good student, with lots of potential. You’re considering at least three years of hard work with this university. You need to know that you’ll get on with your supervisor, that your work will be appreciated and that there are good prospects for your project.

You’re here to be interviewed for a PhD, but nothing’s stopping you from doing a little interviewing of your own.

Here are a few good questions to considering asking at your PhD interview. They include ways to express enthusiasm for your project, as well as some useful inquiries to make for yourself:

What will the supervision arrangements be for the project?

This shows that you’re thinking practically and looking ahead to the process of actually doing the PhD. It’s also something you’ll probably want to check for yourself.

What kind of training and skills sessions are offered as part of the PhD programme?

This shows that you’re interested in the development opportunities that form part of a modern PhD. It’s also a good way to address any concerns you have about your own skills. Be careful though. Avoid asking simple questions about material that’s already covered in the PhD project description, or in the university’s postgraduate prospectus.

Will I have opportunities to teach / present / publish?

This is something else you’ll want to know for yourself, but it also demonstrates a practical approach to your PhD (and future career). A good PhD programme should offer some opportunity to teach or demonstrate towards the end of your project. Equally, you should be encouraged to communicate your research and supported in doing so.

How many other PhD students has this supervisor seen to completion?

Don’t be afraid to ask about previous students and what they’ve gone on to do. You may also want to know if you’ll be working with or alongside other students and what the arrangements for that will be.

Are there likely to be any changes to the funding arrangements for the project?

A good practical question. If you’re applying for a funded place, make sure you understand the terms of that funding (its duration, whether you can combine it with any other income, etc). If you’re currently self-funding, it won’t hurt to ask if the university anticipates having any support available for you in future.

Is the university or department likely to run any events or other associated projects during the period of my PhD?

This might not seem like an obvious question, but it’s worth asking. The university might be in the early stages of planning a major hosted conference, external partnership or outreach project. Asking about these shows a genuine interest in your university and its research and suggests that you’ll be the right sort of PhD student to help deliver them. Needless to say, these kinds of projects are also excellent opportunities to gain experience and build your CV.

Other questions will probably occur to you according to your specific circumstances and the nature of the project you’re applying to.

Focus on the things that would concern you as a student actually doing the PhD in question, but avoid trivial topics. Your panel will be happy to talk about library resources and lab facilities. They’ll be less keen to advise on the best local pubs or say how often the bus runs between campus and town.

Also try to avoid asking for information that’s readily available elsewhere. This suggests you haven’t done your research – which is never a good sign when applying to do research.

Still looking for that perfect PhD project?

While you're preparing for the interview stage of applications, it's a good idea to keep searching as many PhD projects are advertised throughout the year .

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Mark bennett.

Mark joined FindAPhD to develop our first ever advice articles in 2013 and now serves as our Director of Audience & Editorial, making sure our websites and information are as useful as possible for people thinking about Masters and PhD study. He has a PhD in English Literature from the University of Sheffield, as well as Bachelors and Masters degrees from the University of Kent and the University of South Wales.

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How to structure your viva presentation (with examples)

Most PhD vivas and PhD defences start with a short presentation by the candidate. The structure of these presentations is very important! There are several factors and approaches to consider when developing your viva presentation structure.

Factors to consider when developing a viva presentation structure

Presenting a whole PhD in a short amount of time is very challenging. After all, a PhD is often the result of several years of work!

It is simply impossible to include everything in a viva presentation.

The structure of a viva presentation plays a crucial role in bringing across the key messages of your PhD.

Structuring your viva presentation traditionally

A very traditional viva presentation structure simply follows the structure of the PhD thesis.

The disadvantage of this traditional format is that it is very challenging to fit all the information in a – let’s say – 10-minute presentation.

Structuring your viva presentation around key findings

For instance, you can select your three main findings which you each connect to the existing literature, your unique research approach and your (new) empirical insights.

Furthermore, it might be tricky to find enough time during the presentation to discuss your theoretical framework and embed your discussion in the existing literature when addressing complex issues.

Structuring your viva presentation around key arguments

So, for example, your key argument 1 is your stance on an issue, combining your theoretical and empirical understanding of it. You use the existing theory to understand your empirical data, and your empirical data analysis to develop your theoretical understanding.

Structuring your viva presentation around case studies

Another common way to structure a viva presentation is around case studies or study contexts.

A viva presentation structure around case studies can be easy to follow for the audience, and shed light on the similarities and differences of cases.

Final thoughts on viva presentation structures

The key to a good viva presentation is to choose a structure which reflects the key points of your PhD thesis that you want to convey to the examiners.

The example viva presentation structures discussed here intend to showcase variety and possibilities and to provide inspiration.

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Common PhD Viva Questions (To Help You Prepare For Yours)

May 27, 2022

Capable of striking fear into the heart of even the most confident PhD student, the Viva looms large over the entire PhD journey. No matter whether the PhD is going well or causing problems, there’s always the viva to worry about.

Long story short, everyone is scared of the viva.

One thing that can help is knowing what to expect during the viva itself. That’s why we got in touch with Professor Peter Smith, who recently published The PhD Viva: How to Prepare for Your Oral Examination with Palgrave, and who has successfully supervised 60+ PhD and professional doctorate students and examined a further 50+ PhD students all over the world. We asked him what the most common questions are that students face during their vivas. Read his answer below.

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1. An Opening Question

The examiners will quite often start a viva with an opening question; perhaps something like this: “Spend five or ten minutes telling us about your work, what you have done, and what the contribution is” or “Summarise your work for us, in a single sentence.” A question like this gives you an opportunity to explain your work up front, breaks the ice, settles you in and gets you talking. Making a contribution is the most important element of the PhD thesis. It is very likely that you will be questioned about this.

2.  The aims, objectives, research questions, and hypotheses

In your thesis you will have set out the purpose of your work. Depending on the discipline that you working in, you may have called this an aim (with accompanying objectives), a question (or a series of questions) or an hypothesis (or a series of hypotheses). It doesn’t matter what you have called this in your thesis; you need to be prepared to explain and justify it to the examiners. Typical questions might be “explain your research question and how you derived it.”

 3. Coverage of the literature

The examiners will want to be sure that you understand the literature which underpins your work. An important criterion for the award of PhD in that the candidate demonstrates knowledge of the relevant work of other researchers in your field. So it is likely that they will ask some questions which test your knowledge of the academic literature within your subject. You may, for example be asked: “Which are the three most important papers which relate to your thesis?”, “Whose work has most influenced yours, and why?”, or “Whose work is the closest to yours?” and “How is your work different to theirs?”

Your PhD Thesis. On one page.

4. methodological questions.

The methodology, and the approach you have taken, is another area that the examiners are likely to want to discuss. This could come in the form of a question asking you to justify your approach: “Why did you choose to use a qualitative approach?” and “What alternative approaches might you have chosen?” or more detailed questions about the methods used: “Why did you use focus groups rather than interviews?” or “How did you select the group of people to interview?”

Most PhD’s have some ethical issues which they need to be considered. This may take the form of a specific question such as: “Explain the ethical protocols and approval procedures which you followed” or “Did you obtain informed consent?”, or a more general question, such as: “What are the ethical implications of your work?”.

6. Decisions you made

Along the way, you will have had to take several decisions as to the next step to take. The examiners may ask you to discuss and justify these. This could take the form of a very general question: “What was the most important decision that you had to make during the course of your PhD?”; “Which decisions would you change if you were to do the work again?” or something much more specific: “Why did you choose to test your system on this group of people?”

7. Evaluation

It is always important to show that you have evaluated the work that you have done. Typical questions could be: “How did you set about evaluating the work you did?”, “How does your work compare to that of others?”, “What is the strongest point of your work?”, “Which part of your thesis are you most proud of, and why?”, and “Which is the weakest part of your work?”.

8. Future Work

Examiners will almost always ask about possible areas for future work. Questions could be: “If you had another year, what would you do?” or “How would you continue with the work? What are the next steps?”

Wrapping up

With the right preparation and mindset, the viva is nothing to be scared of. Work through model answers to the questions above, have a good read of your thesis, and have faith that you know your research better than anyone else. Then, on the day, try to have fun.

If you want to be as prepared as possible for your viva, book yourself onto a one-on-one mock viva with Professor Smith. Boost your confidence with a full practice run before the big day.  Click here to find out more. 

Prepare for your viva. One question at a time.

Prepare answers to the most common PhD viva questions with this interactive template. It’s free to download and it’s yours to keep forever.

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Viva examinations: guidance

This guidance explains the viva process, how to prepare, what will happen on the day and what the possible outcomes are.

This information is for postgraduate research students. It covers:

• before your viva
• preparing for your viva
• during your viva
• outcomes of the examination

Before your viva

Entry forms.

You must enter the exam via Portico about four months before you are ready to submit. You may not submit your thesis until you have entered for the examination and your examination may be delayed if you have not done this.  

Find out more about examination entry

Your supervisor is responsible for arranging the appointment of your examiners. This should be done at the same time as you complete your examination entry form, four months before you are due to submit your thesis. Examiners are appointed by UCL for their professional services as examiners with expert subject knowledge. A minimum of two examiners, one from outside UCL and (normally) one from UCL are appointed to co-examine all research degree candidates. The examiner nomination form can be found here .

Submit your thesis

Find out more about formatting, binding and submitting your thesis.

Collaborative research projects

If you are contributing to a collaborative research project you must include this information in the introduction to the thesis. You must clearly identify the demarcation between the research you are submitting for examination as an original contribution to knowledge and the work of your collaborators. 

Viva arrangements

Your supervisor (or nominee) will liaise with you and your examiners to arrange and confirm a mutually convenient time and place to hold the viva examination. The viva must not be arranged before the examiners are formally appointed by UCL. It may take place at UCL, or remotely. Your examiners should have your thesis at least six working weeks before the viva and you will receive an email once the thesis has been sent to the examiners. At this point, you will be able to record the viva via the ‘Research Student Administration’ section in Portico. A user guide is available with step-by-step instructions for submitting this information. Your viva should then take place within three months of the dispatch of the thesis to your examiners.

Download the viva notification user guide

Reasonable adjustments

If you or one of your examiners have a disability which UCL cannot accommodate, other reasonable arrangements can be made for the viva. You must make a request in writing when you complete the examination entry form to allow time for arrangements to be made. 

Preparing for your viva

We recommend that you re-read your thesis. Try to anticipate questions, comments and criticisms, and think how you would respond. Although you may not be able to anticipate actual questions to be asked by the examiners, this approach will encourage you to think actively about your work.   You should also refresh your memory of the relevant literature. Do not attempt to re-read every paper in the bibliography of your thesis; instead, re-read carefully some of the more recent key references. If you have left university after submitting your thesis you may be unaware of very recent work. Ask your supervisor a couple of weeks before the viva whether any work of direct relevance to your thesis has been published since you submitted your thesis.

You must not contact your examiners directly at any point leading up to the viva.  All contact should be done by your supervisor or other relevant departmental staff member.  

A good way to prepare for your viva is to practice. Your supervisor should give you a mock viva, or arrange for this to be undertaken by a member of your upgrade panel.  

Training to support writing your thesis and prepare for your viva 1) The Doctoral Skills Development Programme  has courses on formatting your thesis, tips on thesis writing and viva preparation. 2)   Academic English courses are available for doctoral students who want to enhance their academic writing and oral communication skills.  3) Arrange to speak with a digital skills trainer  who can answer specific questions, troubleshoot issues or point you to training courses or resources for self-study. They also have a thesis clinic that runs throughout July and August each year. 4) Your faculty and department may host their own workshops on writing a thesis. Contact your PGR administrator to find out.

During your viva

A viva is an academic interview at which your examiners will be looking for an understanding of the subject matter of your thesis, an appreciation of its significance to established knowledge in the field, and an awareness of the breadth of the subject area. 

Your supervisor will be invited to attend your viva examination, unless you request otherwise; you must indicate this on your examination entry form. Your supervisor does not have the right to participate in the viva examination but may contribute if invited to do so by the examiners.  

The examiners will expect you to:

• show a critical analysis of your own work and of that of others
• appreciate the limitations of the methods employed and the results obtained by yourself and others
• understand how the broad conclusions of your thesis support, add to or conflict with previous work
• know the major concepts and recent developments in your subject

There is no formal procedure laid down for the conduct of the viva examination. Some examiners prefer to work through the thesis in the order in which it is written. Other examiners prefer to discuss topics. Very few examiners will perform a page by page criticism. You may be asked to prepare a presentation of your work in a suitable format.  

You are not expected to know your thesis by heart, but to refer to the appropriate page when the examiners wish to discuss a specific point. Please ensure that you bring to the viva examination a copy of your thesis paginated in the same way as the copies you have submitted to the Research Degree Examinations Office.

You should not simply answer 'yes' or 'no' to questions nor give a prepared exposition. Try to answer the question as it is put, remembering that you are engaged in an academic conversation.

Be prepared to justify your ideas and conclusions. If the examiners challenge your interpretation but you feel that your case is a good one, muster your arguments and be willing to present your case firmly but courteously. However, if the examiners have identified a genuine weakness, concede the point gracefully. Even if you feel the examiners are unreasonably critical do not become argumentative or allow the discussion to become heated. You can agree to differ and to reconsider the point. All participants in the viva must abide by UCL's Bullying and Harassment Policy . If you make any comments to your examiners which put them under moral pressure, for example alluding to what will happen if they fail you, or if you offer any incentive to your examiners to pass you, they must terminate the examination and report to the Chair of the Research Degrees Committee via Research Degrees in Student and Registry Services.

Outcome of the examination

The following are the three most often received results and the subsequent procedures.

We will email you with reports from your examiners, copied to your supervisor, instructing you to submit the following documents:

• the electronic copy of your thesis 
• thesis deposit agreement form (uploaded with the e-thesis)

We will award your degree once you have met the academic conditions, the Library have confirmed receipt of your e-thesis and the Deposit Agreement form, and you have cleared any outstanding fees. 

The electronic copy of your thesis and thesis deposit agreement form should be deposited to the Library via UCL's Research Publications Service. Please make sure that you remove, or blank out, all personal identifiers such as signatures, addresses and telephone numbers from the e-thesis. Any photographs that you have taken should not show identifiable individuals without their permission and any you have taken of children should mask their faces. If you have any queries regarding this aspect of the process, please contact the Library directly.

UCL no longer requires a printed copy of your final thesis. If you do wish to deposit a hard copy you can do so by sending it directly to the Cataloguing & Metadata department of Library Services by post, or in person at the Main Library help desk.  You will find more information about the process on the existing webpage for e-thesis submission. 

Find out more about depositing an electronic and printed copy of your thesis

Once you have submitted these, we will send an email containing the confirmation of award and your reports to your email address you have recorded on Portico. The degree certificate will follow approximately four months after the official award date.

In the case of an examination for specialist doctorates (including the EngD, EdD and MPhilStud), the award of the degree is also conditional upon students passing all taught elements of their programme of study. The modules should be entered on to Portico by the Department and confirmation these elements have been completed will be passed from the Examinations Department to Research Degrees.

Minor corrections

This is by far the most common result received from the examiners. 

We will email you with reports from your examiners, copied to your supervisor and Faculty Graduate Tutor. The deadline to submit your corrections officially starts from the date of this email, which will also indicate the name of the person designated to check your corrections. This deadline is for you to submit the corrections to the designated checker, and not to submit the final copy of your thesis.

Your examiners may have returned an annotated copy of your thesis to you and therefore you may already be aware of the work required. The designated checker should inform you of the format he/she expects to receive the corrections, although normally this will be in electronic format.

The designated checker should confirm the outcome of the examination within one month of receipt of the minor corrections to the thesis. This is usually done by sending an email directly to Research Degrees.

Once this has been received we will follow the procedure for a pass result.

Resubmission in a revised form

We will email you with reports from your examiners, copied to your supervisor, Departmental Graduate Tutor and Faculty Graduate Tutor. The 12 or 18 month deadline officially starts from the date of this email.

Unlike the outcome for minor corrections, where one person checks the amendments, the resubmission requires you to re-enter for the examination and submit two copies of your thesis for forwarding to the examiners. 

Your examiners may have returned an annotated copy of your thesis to you and therefore you may already be aware of the work required. 

Once you have completed the corrections, you will need to:

• submit a new exam entry form to Research Degrees at least two weeks prior to the expected submission of the thesis
• submit an electronic copy of your thesis to Research Degrees via the UCL Dropbox.  

Find out more about formatting, binding and submitting your thesis. Your supervisor will be emailed to confirm that the examiners are still willing to act and provide their current contact details. This is to avoid the thesis from being sent out incorrectly. We will then send an email to your supervisor and examiners reconfirming their appointment and send the thesis to them via the UCL Dropbox.

If the examiners have requested a second viva, your supervisor will arrange this. In these circumstances, the procedure will follow that of a typical research degree examination.

If a further viva is not required, your examiners are only required to submit a joint report. They cannot award another 18 month resubmission, but can allow minor corrections.

Once the reports are received we will follow the procedure for either the pass or minor corrections result.

Other results

If the result falls outside the above descriptions, we will email you detailing the procedure you will need to follow.

Related content

• Research degrees: examination entry
• Format, bind and submit your thesis
• Doctoral school

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5 Tips for Preparing for Your PhD Viva

• By Zebastian D.
• December 13, 2019

You’ve just passed a massive milestone: writing and submitting your PhD thesis. This has been the culmination of at least three years of work and is definitely a cause for celebration. But the journey’s not fully over just yet – you still have the viva to pass. In the UK the viva usually lasts a few hours and involves a detailed discussion of your thesis with two expert examiners; your primary supervisor may or may not sit in this. Expect the viva to be tough – you’ll need to be able to defend your PhD thesis and respond to questions designed to probe your understanding of your subject. But if you prepare for it well, you’re likely to come out of it having had an enjoyable experience discussing your work with people genuinely interested in your project.

Here are some tips to help you prepare for the day.

1. Know Your Thesis

You should expect your examiners to have spent a considerable about of time going through your PhD thesis and the content of it will be fresh in their mind; make sure it’s fresh in yours too. Yes, you’re the one that’s written it but, if you’ve planned well , you may have written some of your chapter content quite a while ago. Equally, I would definitely recommend checking to see if any new papers in your field have been published since writing your chapters and submitting your thesis.

2. Know Your Examiners

Your examiners will be experts in their fields, and at least one (if not both) will be experts in the same field of your research. Make sure you look up papers they’ve published and think about how they fit in with your work. It’s likely that some of their line of questioning in the viva will be based around their contributions to the research area.

3. Think of Possible Questions

It’s a good idea to spend time with your supervisor to think of possible questions the examiners may ask you. In particular, can you predict the tough questions that might come your way and how you might best answer them? Are there any areas within your work that you would consider as limitations for your studies and that you should be prepared to acknowledge? Some preparation here and even a mock interview will go a long way in making the actual thing feel easier.

4. Bring a Copy of Your Thesis

Make sure you have your own printed copy of your PhD thesis that you bring along with you to the viva. Make notes and highlight pages and sections within it that you especially want to bring attention to. You might also find it useful to print separate larger copies of key results (e.g. graphs or figures) that you think would be useful to discuss. Some props that help explain concepts (if relevant) can also be a brilliant way to guide the discussions to areas you’re most comfortable with.

5. Focus on Your Strengths

Try to view the viva as an opportunity to showcase the new knowledge you have added to your field of research. Focus on the positives that have come out of your work; all projects will have some areas of weakness but there’s no need to highlight these to your examiners unless directly asked about them. Coming into your viva with one or two papers published (if possible) is a great positive – it’ll give you confidence that your work has already stood up to peer-review and is a very good way to present your contributions to research.

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7 questions you should prepare in advance for your PhD viva

The dreaded PhD viva. But how prepared can you really be?

The nature of the exam at the end of your PhD journey that determines whether you are awarded your doctorate or not can be a daunting and overwhelming thought. So, naturally the need for any PhD student is to be as prepared as possible.

But – spoiler alert! – you will never be 100% prepared. It all depends on how well you wrote your thesis, your examiners’ backgrounds and interests, how they like to conduct vivas too and whether they like to go through every page or skip through to key bits, and so many other factors. All of this and more will influence the questions you get asked and the discussions you will have.

But having said all that – there is no such thing as being over prepared for your viva because at the end of the day it is all about confidence. If you feel prepared enough then any question they throw at you, you will take in your stride. But more from me about viva prep and a step by step guide to help you keep your cool is coming very soon.

So, I have said that you never know what is going to come up in a viva. And most of the time that is true but there are 7 ‘types’ of question that you can prepare in advance because I can guarantee that at least one of these will come up in your viva and the vivas of everyone around you too.

So, here are more than 7 questions you can prepare for in advance of your PhD viva:

You can now check out this post too for 67 practice viva questions!

1. Summarise your thesis/research in 3 minutes.

The classic starter question to summarise your research. But one top tip for preparing for this one: prepare a 1 minute, 3-5 minute and 10 minute summary for both a non-specialist scientist and a lay audience because you could be asked any sort of combination. As this is usually a favourite opening question with the aim of getting you to relax with something familiar.

But this sort of question also applies for each chapter in your thesis. Before venturing into each chapter, your examiners might ask you to summarise what a particular chapter was about before getting into the detail. So, it is always good to practice a short paragraph so that you don’t get flustered by that sort of question.

2. What is the point?

Another favourite of many examiners to get you thinking more philosophically, because after all you are trying to become a Doctor of Philosophy. An example that was given to me during my preparations was:

‘So there are millions of people in the world starving and you have had thousands of pounds for you to try and answer this really niche research question. Surely that money is more well spent trying to help these more global problems?’

Now don’t panic. It sounds like a difficult question. And I can imagine you all having a face like I did when I heard this for the first time. But there is no right or wrong answer, and I don’t even think that the examiners would be that bothered by your answer. Their goal with this question is to test your thinking and being able to defend why you invested your time into this. But for this type of question, have something prepared that can answer the big ‘why’ questions to start the flow of your answer. Tell your examiners why your work is important.

3. What does this figure tell us?

Figures are great, especially schematics and summary ones. Because we all know that a picture paints a thousand words. But examiners also love them in a viva and instead of trawling through the actual words you have written in your thesis, they might just look at the picture to understand what you are talking about. But they will also stop at these focal points in your viva and get you to explain them. It is also a sneaky check to see that you also didn’t just copy a figure from another location, even if you have referenced it, and didn’t understand it. So prepare your descriptions for each figure – primarily the ones in your introductions and discussions as describing your results I imagine comes much easier to you as you are the expert.

4. How do you get from A to B?

Your examiners won’t be asking you for directions in your viva – I don’t think at least. So, what do I mean by this type of question. Well, the examiners want to understand your thought processes, rationale and knowledge. So, this type of question could be:

‘How do you get from cells to performing a PCR reaction?’

Why did you choose to do that experiment after this result?

You more than likely know all this like the back of your hand with the amount of times you would have repeated experiments, but sometimes it is difficult to vocalise. So I highly recommend having a practice and answering those questions out loud not not get flustered in your exam again and just remind yourself of all the steps.

5. What about your thesis is original and contributes to knowledge?

Another type of viva question that you will probably all too familiar with but another one that is good to practice vocalising beforehand so you can get your words out clearly in the exam and portray confidence even if you are a ball of nerves on the inside. But just remind yourself of what was known before and what you have added as part of being awarded your PhD is to contribute novel knowledge.

6. What are the strengths and weaknesses of your research?

The examiners are not there to tear your thesis apart even if they are really going through it with a fine tooth comb. This type of viva question is to test your ability to reflect, evaluate and adjust. Take some time to think what bits of your thesis are really great and which bits of experiments or analysis could have been improved. Just show your examiners that you haven’t just taken the data that has been spat out at you at face value but you have considered how truly reflective it is and if you could do it again how you would change anything. But always make sure you have some answers to both strengths and weaknesses no matter how great or awful you think your thesis is. There will always be pros and cons.

7. What are the real world applications of your research?

The big picture question. You would have spend the last 3+ years of your life trying to figure out the smallest of details to a very niche question, so before you walk into your viva, it is good to take a step back and think about how this new knowledge you are contributing fits into the wider world. How could it be relevant? This question will be easier to answer for some than others depending on your research, and is probably something you have thought about before – especially if you have done outreach or public engagement activities. But it is one of those questions that you are more than likely going to get asked in your viva so it is good to be prepared.

So, there are 7 generic types of questions you can prepare in advance for your PhD viva. But I just want to remind you that you cannot prepare for every eventuality.

In fact, from my PhD viva experience, I got tested for most of these ‘types’ but not as they appear here or even in a logical order – so just remember what the examiners are looking for from the question to help you form your answer.

Be as prepared as you can be, but preparing for every possible question is not going to do you much good mentally and emotionally as you prepare. These are just some suggestions of questions that can help you do that in advance and hopefully help you relax into it a little easier.

I hope this post was helpful for you. I would love to know your feedback. Also, if you want any tips on how to prepare for these sorts of questions then, get in touch via the comments below or any of the links in the menu on the right. But there are more viva blogs on coming soon – a list of example questions and also a step by step guide on how to prepare for your viva.

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How to Face your PhD viva – 5 useful tips

The viva exam for your PhD is the final step toward achieving your doctorate dream. This is a critical step in completing your PhD. As a result, you must prepare thoroughly before appearing for viva.

The main goal of the viva is to ensure that the research you conducted is done entirely by you and not by anyone else. In addition the examiner also checks your understanding and knowledge gained from your research through viva.

The viva will provide the examiner with an overview of your research work as well as your broader thinking. Thus, you must have prepared with strong arguments to defend your thesis and present yourself well in front of the panel.

5 useful tips to ace your PhD viva

Here are the 5 useful tips to ace your PhD viva and passed it with flying colors.

Read your thesis inside out

You will defend your thesis in the PhD viva, so it is critical that you are completely familiar with it. I’m sure you thought you knew everything about your thesis because you wrote it and read it several times.

However, it is always a good idea to reread your thesis before your viva. You might get a completely different idea when you read it a week ago from your viva. While reading your viva make notes, read your argument, and highlight the important text. This will allow you to comprehend your work more thoroughly and help you explain it properly to the panel.

Remember that the thesis you have and the panel has the same pagination so there is no confusion when you explain parts of your thesis to the examiner.

Think about the potential questions

You can prepare for the potential questions the examiner will ask you, as they will all be related to your work. You can ask your supervisor for assistance and anticipate some common and important questions based on your thesis.

Some common questions include:

• What contribution have you made in your field?
• What are the main research questions that your thesis addressed?
• What are the thesis’s high and low points?
• What are your plans for the future in your field?
• What would you do differently if you had to write your thesis again?

These are some common questions you should practice before your viva. You can also consider other questions by conducting research and practicing all of these questions. It will help you gain confidence.

Answer the questions with confidence and poise. Do not be concerned; you can also include stories or techniques from your PhD experience when describing your answers.

 Know your examiner

It is always preferable to be familiar with your examiner prior to the viva. You can search about them on the internet and see if there are any similarities between their research and yours.

Read their work and get to know their ideas and idealogies. This will help you to know them better and give you a good idea of what questions they might ask you during the viva.

Furthermore, if you have the opportunity, meet them in person and speak with them to get a sense of their demeanour and general tone of voice. It will assist you in getting to know the person informal setting and gaining confidence while giving your viva.

Take advice from those who have already passed their viva

This is the best and most important tip for those who are about to take their PhD viva. Speaking with people who have already passed their viva can provide you with a wealth of information about the process.

You can go over all of your concerns with them and ask them what questions they faced during their PhD viva and how they answered them. You can take notes and prepare for your viva using the advice you received from them.

Their perspectives on the overall process may also reassure you that there is nothing to be concerned about and that you do not need to panic. Most candidates who have passed their viva surely give you this advice.

Don’t over pressurize

Take a deep breath and avoid overstressing yourself. You have finished your thesis, which was the most difficult step; you will undoubtedly pass this viva as well. All of the questions are based on your research, and you know almost everything about it, so you don’t need to be concerned.

To deal with your stress, try new things. You can go out or spend time with your friends or family. Do things that make you happy and relaxed before your viva exam. Try not to think about the viva exam until a few days before the exam. Eliminate all doubts from your mind and feel confident in yourself and your work.

The viva is an excellent opportunity to connect with the expert of your field and the final stage of your PhD. Remember that you will be discussing your work with people who have read it and are experts in this field. Instead of panicking, have a passionate discussion about it. You might learn something new. Take advantage of this opportunity and give your best.

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The Viva Exam: things to consider when preparing for your exam

(Last updated: 21 September 2023)

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What’s a Viva (Viva Voce)?

As I stood outside, knowing my examiners were on the other side of that door, I was trembling. I had worked incredibly hard on my PhD and had spent years perfecting my language, all leading up to this one moment: my viva voce interview. As I waited, patiently, to begin my defence, the door opened and the committee chair said, “we are ready for you now”. I walked through the door, took a deep breath, and never looked back.

A viva voce examination, widely known as the viva, is an oral examination at the culmination of your PhD. It is comprised of a committee of both internal and external examiners who look through your work and, essentially, decide whether you pass or fail your PhD. It is an interview and there are a number of different ways that a viva can be conducted. In some cases, the viva is open to the public, which means that anyone who is interested can attend. In other cases, they are closed, which means that it is just you and a panel of examiners.

In either case, the examiners generally include internal reviewers (someone in your department who has interests in your subject area but who has not helped you with the PhD) and external reviewers (usually 2-4 people who have expertise in your discipline, but who do not teach/work at the university that you are affiliated with).

A viva voce interview usually lasts between 1-3 hours, and consists of a variety of questions related to the PhD you have recently submitted. All of the examiners will have read your PhD in its entirety prior to the beginning of the viva, and each will have compiled a list of questions. It is your job to answer these questions satisfactorily in order to pass the viva.

In this post, we are going to describe some of the most common things to consider and to remember when preparing for a PhD viva.

How to prepare for the interview

Preparing for a viva interview is a lot like preparing for a job interview. While you cannot possibly imagine every question that others might ask of you, you can certainly practice so that you put your best foot forward right from the start.

Identify the weaknesses in your PhD

Let’s face it: no one has the perfect research protocol. There are always limitations. These limitations are a perfectly acceptable part of the process, but as the researcher, it is your job to explain why you chose to conduct your study using the methodology that you did.

Usually, you can ask your supervisor(s) to help you with this. They can be a very useful resource. They might also have suggestions about what questions the examiners are likely to ask.

In addition to the imperfections, it is important to be able to justify your approach. So, if you chose to undertake a questionnaire, why was this the preferable method over other approaches? Try not to solely rely on the current circumstances (e.g. because of COVID-19 might be a possible answer, but is there a better one?). Try to think about all the strengths of your research protocol and use this information to justify your choices.

What to wear

While you might not think that clothing is an important piece to the viva, it is something that you certainly should consider. Wear something that is professional, but comfortable. This is typically a collared shirt for men at a minimum, though a suit jacket and tie are also pretty common. For women, wear a skirt or trousers, and a sweater, blouse, or suit jacket.

In all cases, wear professional – but comfortable – shoes. There is nothing worse than feeling a blister emerging as you are trying to focus on your talk! Different countries have different standards, but typically you should wear something similar to what you might wear to a job interview.

Things to remember

It is very likely that you will get a list of who your examiners will be prior to going into the viva interview. This information can be really valuable. As a first step, go and look at the publications that each of these members has produced. By reading their most recent publications, you will gain insight into what they find interesting and what they do not.

What’s more, if you have referenced any of their work in your PhD, you might be able to mention this in the viva to demonstrate that you are knowledgeable and have aligned your work with other excellent scholars (like your examiners). A little bit of flattery is always a good thing (but do not go overboard).

What questions are they going to ask?

Justifying your arguments.

It is important to think about your project. It is likely that the first question they will ask you is: Can you summarise your thesis? Try and have an answer ready that takes less than three minutes to explain and uses common language that someone who does not understand your field will be able to comprehend (i.e. keep it simple).

Justifying what you left out

As noted above, no research protocol is perfect. Further, once you have collected the data, you will likely have a lot to say. Not all of the data you collected will have ended up in your final thesis. You had to decide what to keep and what to leave out. Your examiners might want to know what you left out (and why).

Usually with these types of questions you can draw their attention back to your research questions and then tell them that the other data fell outside of the scope of the research project, but that it might be worthwhile examining in a future project.

Questioning your contribution to research

Why was your research important or worthwhile? It is important to consider what motivated you to pursue your project in the first place. What was the gap that you saw in the current research framework that needed to be filled?

Your answer does not have to be some epic achievement (though it can be). Instead, think about what the problem was and how you contributed to it.

Discussing areas for future development

Your PhD might be done, but where are you going next? What are your plans for the future? Even if your plans are to run as far as you can from the next possible research project, it is worthwhile coming up with a statement about how your research could be further developed (even if you, personally, have no interest in developing it further). You have probably made these suggestions in your actual PhD thesis, so this is just an opportunity to provide a bit more detail about how this might actually proceed.

Tips and tricks to succeed in the viva

You are likely going to know people who have participated in the viva process before, and therefore, using them as experts can be a good opportunity for practice. Now, despite saying this, people often like to exaggerate what happened during their viva voce exam, so if the person you are talking to decides to describe a stressful and uncomfortable situation, maybe try to find other, more supportive, colleagues.

You can also create a list of practise questions that you can give to a friend, colleague, or family member so that you can practise how you will respond. Even if the person who is asking a question is not an expert on your topic, they will usually be able to determine whether your answer is overly detailed and repetitive (bad) or succinctly concise and organised (good). The more you practise, the more comfortable you will get with the idea of explaining your research to strangers, which is essentially what happens in a viva voce exam.

Listen carefully to the questions being asked

There are a couple of significant places where a candidate can go wrong in a viva voce exam, and failing to answer the question asked is one of those place. First, if an examiner poses a question, do not try to jump in or talk over them. Let them ask their question, in full, before you start on your response (even if you think that you know what they will ask).

Once the examiner has asked their question, take a breath and a moment to compose your thoughts. The second mistake that candidates often make is to go off track to a tangent that is irrelevant to the question. By taking that moment to compose your thoughts, you will be able to make sure that your answer provides a clear and appropriate response to whatever has been asked.

Focus on the positives

In thinking about the questions that you might be asked, it is often human nature to dwell on the negatives; to try and justify away the negative elements of your study. You could have had a larger sample, incorporated another research method, or undertaken a more comprehensive statistical analysis of your data. You could have focused on a different theme or provided more details on a certain area of interest.

By the time you get to the viva, none of these things really matter – the study is finished, and your PhD has been submitted, read, and reviewed. So if you are asked a question where you could potentially answer in a positive way, choose that as your option. The examiners do not need to hear about what you could have done (unless they explicitly ask, which is possible). The examiners want to know why you chose the route that you did.

Let’s say, as an example, that you conducted interviews in your research study. Instead of telling the examiners why you could have also employed a questionnaire, tell them about the many ways that interviews offered you the opportunity to obtain comprehensive data that you would not have received from questionnaires. Tell the examiners how the detailed data from the interviews allowed you to delve into themes of interest and ask follow up questions in areas that you did not understand. Remain positive.

Smile (and breathe)

It is only human to be nervous going into your viva voce examination; there is a lot of pressure associated with this step in the PhD process. The examiners will know that you are nervous. If they are experienced, they will have seen many students that have been in your position. If they are new to viva exams, then they will likely remember how it feels to be a candidate. Good communication is key here.

Remember that these people are humans, too. Although they are, in a way, the gatekeeper to your success, that doesn’t make them monsters. Appeal to their good nature. Be friendly and smile, but also don’t try and hide your nerves, if you find that makes you feel awkward.

Lastly, take deep breaths. This might sound obvious, but our breath can really help to control our adrenalin levels, which when pumping, can wreak havoc with our normal behaviour. If you forget to breathe, you may, for example, stumble over your words or forget your train of thought. Take nice, deep breaths regularly, especially when the examiners are talking!

The more you practise, the more comfortable you will get with the idea of explaining your research to strangers, which is essentially what happens in a viva voce exam.

Final thoughts

When I left my viva, my committee made me sit in the hallway to await their decision. There are really four options at this point: 1. Pass, 2. Pass but make minor corrections, 3. Pass but make major corrections, and 4. Fail.

I remember feeling confident enough to know that I passed, but some of the questions were really hard and so I was thinking about how many corrections I was going to have to make (and how long that was going to take because I’d already spent years on this project). By this point, I felt like the hard part was over, there was nothing that I could do from this point that would change the outcome (but this did not make the waiting any easier). It was probably about ten minutes between the time I left the room and the time that they called me back but it felt like an eternity.

As the Committee Chair opened the door to call me back in, she only said two words… “Congratulations, Doctor”. I smiled, breathed a sigh of relief, and knew it was a great day.

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The Savvy Scientist

Experiences of a London PhD student and beyond

What is a PhD Viva Like? Sharing Graduates’ Experiences

When you’re trying to prepare for a PhD viva it can be really difficult to know what to expect. Unlike pretty much every other exam you’ll have experienced, the viva isn’t a standardised exam so you won’t find any past papers to practice on!

In this post I’ll be sharing the inside scoop on what a PhD viva is like. Both from my own experiences plus those of a few other PhD graduates.

Preparing for your viva? You may also want to take a look at some of the other PhD viva content I’ve written:

How to Defend a Thesis: An Introduction to the PhD Viva

Common phd viva questions.

Note: Every viva is different, in this post I’m focussing on my viva which took place in the UK. Two PhD graduates in Spain and the US also share their experiences.

What is a PhD viva?

For those who aren’t already familiar with what a PhD viva is, I’d highly recommend reading my full post on How to Defend a Thesis: An Introduction to the PhD Viva . This delves into how a PhD viva is assessed, who is present, the potential outcomes and what follows after.

As a quick recap, a PhD viva (also called a defense in some countries) is the final assessment a PhD student undertakes in order to pass their PhD. The format the viva can take varies from country to country and even institution to institution, but it typically involves discussing and defending your PhD thesis with experts in your field.

In this post you’ll hear about the viva experiences of three PhD graduates, each with a slightly different format.

To get the best understanding of how PhD vivas take place at your university I’d recommend:

• Checking out any webpages your university have which formally outline the viva process
• Speaking to your PhD supervisor
• Chatting to colleagues such as postdocs who’ve been through it

Viva Experiences from PhD Grads

Prof elizabeth bondi-kelly , phd from harvard university, usa. assistant professor in computer science at university of michigan.

What was your PhD viva like? At my (virtual) defense, I had my committee, adviser, labmates, and family/friends. I was fortunate to give my job talk presentation again for my defense, so I had already had a lot of practice with presenting it and being asked questions about it.

How do you suggest people prepare for their PhD viva? For anyone who hasn’t had that opportunity, I highly recommend practicing to get a polished talk and practice answering questions about it.

Prof Raúl Santos-Rodríguez , PhD from Universidad Carlos III de Madrid, Spain. Full Professor in AI at University of Bristol.

What are PhD vivas like in Spain? The viva process in Spain varies from university to university. In most cases there are a few previous filters (internal/external reports) that make it such that, once you are through those, most of the pressure is off for the actual defence. The viva consists of a public presentation (usually with colleagues, friends and family in the audience) followed by questions from a panel, with each member asking their questions in turns. Both presentation and Q&A tend to be time limited (around 45 minutes each). 

What was your PhD viva like? My viva experience was nerve-wracking but rewarding too. I remember how the exercise of putting together the presentation with the panel in mind actually gave me quite a different perspective on how to tell the story of my thesis. The event took place in a rather formal lecture room in our faculty. The panel consisted of five examiners (three externals including one from abroad, and two internals), all of whom were experts in my field of study. The panel asked me a wide range of questions, covering both very specific details and very high level matters. Once I answered their questions to their satisfaction, and after a short deliberation, I was given the good news. Overall, I found the viva to be a challenging but stimulating experience — and a good memory.

How do you suggest people prepare for their PhD viva? In terms of advice, I would suggest to:

• Expect to be surprised by unexpected questions about your research
• Be clear and concise, allowing examiners to ask for more details if needed
• Practice your presentation without being constrained to say the same things every time
• Not be afraid to ask for clarification if you don’t understand and take your time to respond
• Enjoy the interaction with the examiners as they are experts that have a lot to add to your work

Me! PhD from Imperial College London, UK. Research Fellow in AI at Bristol.

What was your PhD viva like? My viva, which took place over Microsoft Teams, included just an internal examiner, external examiner and myself. I gave a short presentation giving a summary of my PhD then about five hours were spent giving suggestions to improve content I was preparing to submit to journals. It was much less intimidating than I was expecting.

How do you suggest people prepare for their PhD viva? I mainly suggest to not over prepare! Sure, reread your thesis and swot up on any content you don’t feel comfortable describing (for instance certain techniques you’ve used), but I would caution against rehearsing too much: come to terms with the fact that you won’t be able to predict all the questions you’ll get asked.

I’ll be sharing more details on my viva experience in the rest of the post.

How To Prepare For a PhD Viva: The Advice I Was Given

Ahead of my own viva I typically got told to:

Relax and take your time in replying . This is somewhat sensible advice but a bit like telling someone to calm down: it doesn’t always work. Furthermore, relaxing can be hard to do when you also get told to…

Be prepared to answer questions about every part of your work . At face value this can seem reasonable: if you did the work, and deserve a PhD, you should be able to explain your work. Like many of us I heard the horror stories of examiners asking students to provide an explanation of fundamental techniques from first principles such as: “derive energy”!

However, I don’t think any rational examiner can expect a student to be able to answer every possible question about their PhD work. Not least because many students aren’t relaxed during the viva and instead are filled with nerves.

Thankfully, the reality is that examiners simply need to check that you’ve done the work and understand it. Therefore, yes you should be able to give a broad explanation of the techniques you’ve used but you can’t be expected to know everything about every technique.

Once it strays from your work to underlying principles I suggest that you explain as much as you feel comfortable then push back – the internal examiner (who acts as a moderator) should also step in if unreasonable questions are being asked. For more details on what PhD examiners are looking for, read this section of another post I’ve written .

How I Prepared for My PhD Viva

The time between submitting my thesis (14th February) and viva (25th March) was shorter than for most people. On top of that I didn’t spend long writing my thesis, meaning that the time between finishing my actual research and my viva was pretty short (around two months). Therefore I didn’t feel the need to “revise” for my viva. As in, sometimes you’ll hear of people reminding themselves of how certain experimental or analytic techniques work, but it was pretty fresh in my memory.

Instead, about 48 hours before my viva I started to read through my thesis. This is going to sound really bad but this was actually my first (and only) time properly reading through my thesis. No, I didn’t outsource or use ChatGPT to write my thesis!

When I submitted my thesis I had of course assembled all the chapters but had never given it a proper cohesive read all the way through. I read through the thesis over the course of 4-5 sittings. Reading fiction is definitely more fun .

I personally didn’t prepare by trying to come up with answers for lots of potential questions. But if you’re keen to have those to hand, read my Common PhD Viva Questions .

Preparing for your own viva? I’ve created a set of viva preparation worksheets which are available for free in the resource library. Click the image below for access!

Why didn’t I prepare more?

I felt pretty relaxed about my viva. This isn’t because I am crazy clever or knowledgable. In fact, like many of us I’ve felt imposter syndrome, waiting for the moment that my lack of knowledge gets discovered: and if there ever a moment you’d expect this to happen it would be at your viva.

These three things relaxed me for the viva:

• The external examiner seemed nice from the time I’d met him in the past at a conference. Certainly not a sure-fire sign that he wouldn’t turn into a scary beast during a viva but it seemed like a good starting point.
• It was virtual. My viva took place right at the start of COVID and as such took place over Teams. For some reason this felt reassuring, as if I could get away with just unplugging my internet connection if they asked anything particularly scary. Thankfully I didn’t ever feel the need to try this out!
• I had published PhD work in a well-ranked respected peer-reviewed journal. This was far and away the most reassuring thing. As mentioned in another post, examiners have to be confident in all of the following things to let you pass your PhD viva. If you have published some of your work somewhere respectable you tick many of the boxes immediately:

Oh, and I also didn’t prepare much because I was preoccupied with moving from London the week before my viva because of COVID and the start of lockdowns. Unexpectedly I ended up moving in with my girlfriend’s parents. It was rather chaotic but probably a useful distraction too.

My PhD Viva Experience

Who was at my viva.

Unlike vivas in other countries, such as the two international experiences shared above, a viva in the UK usually only involves:

• PhD student – me in this case!
• Internal examiner – an academic working in the same research area from the host university. They’re there to moderate the discussion and check that the university’s viva regulations are followed.
• External examiner – another academic working in the research area from a different university. In my case this was someone who was a leader in the field who came from another UK university.

Optionally the PhD student may ask their supervisor to attend. I’ve known of a few people who’ve had their supervisor there too, though it’s pretty rare and unnecessary in my opinion.

How long did my PhD viva last?

All in all it was about five and a half hours.

This was much longer than I anticipated. When we scheduled the viva to start at 10am I naively expected us to be finished by lunch. Admittedly the examiners did suggest stopping for a break at lunch time but again I naively thought we’d be done shortly afterwards, so declined the opportunity for more than a 5 minute comfort break. In the end we finished up around 3:30pm.

How was my PhD viva structured?

• Introductions (2 minutes) . I’d actually never met my internal examiner (who should act as a moderator) so introductions were necessary.
• Presentation (10 minutes) . A few weeks in advance of the viva I asked whether or not the examiners would like a presentation, and if so of what length. They said yes, 10-12 minutes. My supervisor strongly suggested making it on the shorter side: short and snappy is good and you’re about to have hours to discuss the details.
• Discussion (5 hours, yes, really!) . More on this in a moment.
• Decision and final comments (10 minutes) . I was asked to leave the metaphorical room (Teams call, remember!) and after a few minutes was invited back in after which they told me I’d passed with minor corrections. They gave a summary of the next steps, which were mostly administrative with paperwork, and briefly went over what changes/corrections they were expecting to the thesis.

What did we discuss for five hours?

Before my viva I had visions of it being like a job interview that lasts for hours and hours. They ask a slightly tough or awkward question, you try and answer, rinse and repeat x 100. The reality was really different.

The experience was much less intense than I was expecting. The examiners said from the outset that they were happy with the quality of the work and just aimed to give feedback to improve both the thesis and publications.

The vast majority of the viva was spent going page by page through the thesis covering points that the examiners had written down: not questions, merely suggestions. Very little of the viva involved me getting questioned: most of what I said was probably along the lines of “I agree, that’s a great idea”.

The examiners commented that they liked the [short] length of the thesis (140 pages before references) which may have helped. I was expecting at least a few dodgy questions such as explaining the content of a particular reference or deriving something from first principles. In all honestly I’m not sure I’d have been prepared for some of this, so was fine with not getting a hard time of it.

There were very few questions in general which was somewhat of a relief, though I was kind of looking forward to more of a discussion around the project. There were only two actual questions I think I got asked: one explaining why a particular technique wasn’t representative, and secondly a much more fluffy question of what would I do differently if I was starting again. That was it. I was really expecting more questions.

Every viva is unique so I can’t claim that my experience is representative but I will say that it was a relief to get through it unscathed.

What I wish I’d done differently

Asked more questions myself . The viva is one of the few times you’re likely to have hours of access to academic experts with such a keen interest in your work.

Was it tiring?

A little, just as any meeting which lasts over five hours would be. But because I didn’t feel like I was actually getting quizzed the whole time it was nowhere near as tiring as it could have been. Mostly I was tired just from having to pay attention for that long: I usually don’t sit still for more than 20 minutes!

What happened afterwards?

My viva was in March 2020, at the start of lockdown. I’d moved from London just the week prior and had to cancel the scheduled celebratory drinks with colleagues. So instead I had a glass of champagne with my girlfriend and her parents (who I was staying with).

After that, I got cracking right away the next morning on making the examiners’ suggested changes to my thesis.

My Advice If You’re Preparing For Your Own PhD Viva

• Download my free viva preparation guide .
• Read your thesis!
• Look up likely questions (if you want), here are some Common PhD Viva Questions
• Don’t over prepare
• Be honest. If you’re not sure about something, make this clear. Feel free to say you’re not sure.
• Ask questions
• Enjoy it! Channel those nerves as excitement and make the most of having experts show such an interest in your work.

Do you have any other questions about the PhD viva experience? Let me know in the comments and I’ll answer them as best I can!

If you’d like personalised help with preparing for your PhD viva I am now starting to offer a small number of one-to-one sessions. Please contact me to find out more or click here to book a call.

If you’re currently preparing for your own PhD viva, best of luck and remember to enjoy it! Be sure to check out the couple of other viva-related posts I’ve written .

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