Getting invited to a PhD interview is a great sign. It means the department has reviewed your application and sees genuine potential in you as a researcher. But knowing what to expect can make the difference between a confident performance and a nerve-filled one.
In this guide, we cover 15 of the most common PhD interview questions, explain what interviewers are really looking for, and provide example answers to help you prepare. Whether you are facing PhD admission interview questions for the first time or preparing for a competitive funded studentship, this guide will help you walk in ready.
How to prepare for a PhD interview
Before we look at specific questions, here are a few essentials for your PhD interview preparation. The Vitae Researcher Development Framework is also a useful resource for understanding the skills doctoral programmes look for.
Do your research
Read your potential supervisor’s recent publications and consider emailing them before the interview if you have not already been in contact. Understand the research group’s current projects and where your proposed work fits in. Check the department’s facilities, partnerships and any recent news. This background knowledge will come through naturally in your answers.
Practise out loud
Rehearsing in your head is not the same as speaking your answers aloud. Ask a friend, family member or current supervisor to run through questions with you. Record yourself if possible, listening back helps you spot unclear explanations or nervous habits.
Prepare your materials
Bring printed copies of your application, research proposal and academic CV. If you have been asked to give a presentation, have it saved in multiple formats and on a USB drive as backup. Check our guide to giving a PhD presentation for more advice on this.
Know the logistics
Confirm the interview format (in-person, video call or panel), who will be attending, and how long it will last. For video interviews, test your setup beforehand and use a clean, well-lit background.
PhD interview questions and answers
1. Tell us about yourself
What they are really asking
This is an ice-breaker designed to ease you into the interview. Interviewers want a brief overview of your academic background and what led you to apply for this PhD.
How to answer
Structure your response in three parts: your academic history, your research interests and why you want to pursue a PhD. Keep it under two minutes and focus on what is relevant to the project. To do this, break your answer into three sections:
- Academic History: start with a summary of your academic background – where and what have you studied? What grades did you achieve?
- Research Topic: go onto explain your research interest in your chosen topic – what do you like about it? Do you intend to pursue a career related to it upon obtaining your degree?
- Why a PhD: Finish with why you want to undertake a PhD – do you want to make a contribution to science? Do you want to get a job in academia?
Example answer
‘I completed my undergraduate degree in biochemistry at the University of Leeds, where I developed a strong interest in protein folding during my final-year dissertation. I then completed a Masters at Imperial College London, where my research focused on computational modelling of protein structures. That experience confirmed my passion for this area, and this PhD project is a natural next step because it combines computational and experimental approaches in a way that really excites me.’
2. Why do you want to do a PhD?
What they are really asking
They want to know that your motivation goes beyond simply wanting a qualification. They are looking for genuine enthusiasm for research and a clear sense of purpose.
How to answer
Avoid listing generic benefits that interviewers already know. Instead, share a specific experience that deepened your interest in research and explain how a PhD fits into your broader plans. If you are unsure whether doctoral study is right for you, our guide to whether a PhD is worth it may help.
Example answer
‘During my Masters, I spent three months working on a problem that no one in the lab had been able to solve. When I finally found an approach that worked, I realised that the process of tackling open-ended questions was what I enjoyed most about research. A PhD would give me the time and structure to pursue that kind of deep investigation, and I see it as essential preparation for a career in academic research.’
3. Why did you choose this particular project?
What they are really asking
They want to see that you have engaged seriously with the project description and understand what the research involves. Generic answers suggest you are applying widely without real interest.
How to answer
Discuss specific aspects of the project that interest you: the methodology, the research questions and the potential impact. Reference your supervisor’s relevant work, but keep it genuine rather than flattering. Mentioning why this university or department stands out also helps.
Example answer
‘I was drawn to this project because it addresses a gap I noticed during my Masters research, specifically, the lack of longitudinal data on antibiotic resistance in agricultural settings. I have read your 2024 paper on environmental sampling methods and I think the approach you developed could be applied really effectively here. The department’s links with local agricultural partners would also give this research a practical dimension that I find very motivating.’
4. Why should we choose you?
What they are really asking
This is your chance to connect your skills and experience directly to the project requirements. They want reassurance that you have what it takes to complete a PhD.
How to answer
Identify the critical skills the project demands and provide examples of how you have demonstrated them. Go beyond your CV, discuss transferable skills such as problem-solving, communication and resilience, and give specific examples.
Example answer
‘My Masters gave me strong practical experience with the laboratory techniques this project requires, particularly mass spectrometry and chromatography. But beyond technical skills, I also developed resilience when my initial methodology failed and I had to redesign my experimental approach mid-project. I managed that independently, consulted the literature and found an alternative that produced better results than the original plan.’
5. How did you develop your research proposal?
What they are really asking
If you proposed your own project, they want to see that your idea is grounded in genuine understanding of the field, not just personal interest.
How to answer
Explain the gap in knowledge you identified, how you reviewed the existing literature and why you chose your particular methodology. Having a high-level project plan with distinct research phases shows maturity and forward thinking. For advice on structuring your proposal, see our guide to research aims and objectives.
If you want an edge over other candidates, you can also produce a high-level plan, similar to the one below (but with more detail), which outlines the different phases of your research project. This can include stages such as the literature review, undertaking experiments, producing your thesis and preparing for your viva voce. Although they won’t expect your plan to be fully accurate, especially given how dynamic research projects can be, it will show your positive attitude towards being imitative and taking responsibility for your project.
Example answer
‘I identified the research gap during my literature review for my Masters dissertation. I noticed that most studies in this area used cross-sectional designs, which limits what we can say about causation. I developed this proposal around a longitudinal approach, drawing on methods from two recent studies that showed promising results in related fields. I have outlined three phases: a pilot study, main data collection and analysis with validation.’
6. What challenges do you expect to encounter?
What they are really asking
Supervisors want to see that you can think critically about your project and anticipate difficulties. Identifying potential problems shows maturity and planning skills.
How to answer
Be honest about realistic challenges, these might include recruitment difficulties, equipment limitations or gaps in your technical knowledge. Crucially, follow each challenge with a proposed solution.
Example answer
‘One challenge will be recruiting enough participants within the timeframe. I would address this by building relationships with relevant organisations early and potentially expanding my recruitment criteria if initial numbers are low. I also recognise that I will need to develop my skills in advanced statistical modelling, so I have already identified a training course offered by the university that I would plan to complete in my first year.’
7. What are your strengths and weaknesses?
What they are really asking
This is one of the most common PhD interview questions across all disciplines. It is about self-awareness. They want to know whether you can honestly assess yourself and whether you are proactive about self-improvement.
How to answer
For strengths, choose qualities directly relevant to the PhD and support them with brief examples. For weaknesses, pick something genuine but not critical to the project, and explain what you are doing about it.
Example answer
‘One of my main strengths is attention to detail, which served me well during my Masters when I identified an error in a widely used dataset that other researchers had missed. On the other hand, I sometimes find it difficult to step back from the details and see the bigger picture. I have been working on this by setting aside time each week to review my overall progress rather than focusing only on the immediate task.’
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8. Describe a time you solved a difficult problem
What they are really asking
PhD study involves constant problem-solving. They want evidence that you can identify, analyse and overcome obstacles independently.
How to answer
Use a clear structure: what the problem was, how you approached it and what the outcome was. Academic examples work particularly well, a failed experiment, scarce literature or unexpected data.
Example answer
‘During my Masters project, my primary data source became unavailable three months into my research when the organisation withdrew access. Rather than waiting, I identified two alternative datasets that covered similar variables, adapted my methodology and actually ended up with a more robust comparison than the original design would have allowed. My supervisor later said the revised approach was stronger than the original plan.’
9. What are your career aspirations?
What they are really asking
They want to know that you have thought beyond the PhD and that your long-term goals make sense in the context of doctoral study.
How to answer
Your plans do not need to be academic. Many PhD graduates pursue careers outside academia, and interviewers respect honesty about this. What matters is that your goals are thoughtful and that a PhD is a logical step toward them. For ideas on post-PhD careers, see our guide to life after a PhD.
Example answer
‘My long-term goal is to work in health policy research, ideally within an organisation like NICE or the WHO. A PhD would give me the methodological expertise and credibility to contribute meaningfully to evidence-based policy. I would also welcome opportunities to present at conferences and publish during my doctorate, as building that track record will be important for the career I want.’
10. How will you fund your PhD?
What they are really asking
If the position is not fully funded, they need to know you have a realistic plan for covering fees and living costs. Even if it is funded, they may ask to check you understand the financial commitment.
How to answer
Be clear about your funding situation. If self-funded, mention any applications you have submitted or plan to submit. Show that you have researched the costs involved in a PhD and that you have a workable plan. Mention part-time work if relevant, but emphasise that your research will remain your priority.
11. What research methods are you familiar with?
What they are really asking
They want to understand your existing technical skills and how much training you will need.
How to answer
Be specific about the methods you have used, your level of proficiency and any formal training you have received. If the project requires methods you have not used before, acknowledge this and explain how you plan to develop those skills.
Example answer
‘I have strong experience with qualitative methods, particularly semi-structured interviews and thematic analysis, which I used extensively in my Masters research. I also have intermediate skills in quantitative analysis using R, including regression modelling. I know this project also involves network analysis, which I have not done before, but I have already started an online course to build a foundation before the programme begins.’
12. How do you handle criticism of your work?
What they are really asking
Receiving constructive feedback is a core part of the PhD process, and this is one of those PhD interview questions that catches people off guard. They need to know you can accept criticism without becoming defensive. Understanding how the supervisor relationship works will help you answer this well.
How to answer
Give a specific example of receiving critical feedback and how you responded constructively. Show that you see feedback as an opportunity to improve rather than a personal attack.
Example answer
‘When I submitted a draft chapter to my Masters supervisor, she returned it with significant structural changes suggested. My first instinct was that she had not understood my argument, but when I reread her comments carefully, I realised she was righ, my structure was making the argument harder to follow. I reorganised the chapter based on her feedback and it was much stronger as a result. That experience taught me to sit with feedback before reacting.’
13. How do you manage your time and workload?
What they are really asking
A PhD requires sustained independent work over three to four years. They want to know you can manage your own schedule without constant supervision.
How to answer
Describe the specific tools or systems you use to stay organised. Provide an example of managing competing deadlines or a heavy workload successfully.
Example answer
‘During my Masters, I balanced my dissertation with a part-time teaching role and coursework deadlines. I used a weekly planning system where I blocked out focused research time and set specific targets for each session. I also had a rule of reviewing my progress every Friday afternoon so I could adjust the following week if I had fallen behind. I finished my dissertation two weeks ahead of the deadline using this approach.’
14. What would you do if your research does not go as planned?
What they are really asking
Research rarely goes exactly as expected. They want to see flexibility, resilience and the ability to adapt your approach when things go wrong.
How to answer
Acknowledge that setbacks are a normal part of research. Explain how you would assess the situation, consult with your supervisor and adapt your methodology or research questions if necessary.
Example answer
‘I would first try to understand why things were not working, whether it was a methodological issue, a problem with my assumptions or something external. I would discuss it with my supervisor before making any major changes. If the original approach genuinely was not viable, I would look at what the data or results were telling me and see whether there was an alternative question worth pursuing. Some of the most interesting research comes from unexpected results.’
15. Do you have any questions for us?
What they are really asking
This is not just politeness. Asking thoughtful questions shows you are genuinely evaluating whether this is the right fit for you, which supervisors respect.
Good questions to ask
- What does a typical week look like for PhD students in this department?
- How often would we meet for supervision, and what format do those meetings take?
- Are there opportunities to attend conferences or present research?
- Are there any upcoming collaborations or projects in the department that might relate to my research?
- What training or development programmes are available for PhD students?
- What is the department’s approach to supporting PhD students who are struggling?
- What is the average completion time for PhD students in this department? (You can benchmark this against HESA data on doctoral completions.)
PhD interview tips
To round off your preparation, here is some practical advice for interview day.
Before the interview:
- Re-read your application, proposal and the project description
- Research your interviewers’ recent publications
- Prepare your questions for the panel
- If attending in person, plan your route and arrive early
- If attending online, test your technology and internet connection the day before
During the interview:
- Take a moment to think before answering, silence is better than rushing
- If you do not understand a question, ask for clarification
- Be honest when you do not know something rather than bluffing
- Show enthusiasm for the research without overdoing it
- Make eye contact and speak clearly
After the interview:
- Send a brief thank-you email to the lead interviewer
- Note down any follow-up actions or information you were asked to provide
- Reflect on what went well and what you could improve for future interviews
Preparing for your PhD interview: next steps
A strong PhD interview comes down to preparation and genuine engagement with the project. If you have worked through these common PhD interview questions, practised your answers aloud and prepared thoughtful questions for your interviewers, you are already in a strong position.
If you are still in the early stages of your PhD journey, our guides to the PhD application process and PhD entry requirements cover everything you need to know about applying. You can also search for PhD opportunities on DiscoverPhDs to find a project that matches your interests.
