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🎤 Viva & Presentation⏱️ 7 min read🗓️ Updated Nov 2026

25 Common Viva Questions (and How to Answer Them)

The questions examiners ask most in thesis vivas and defences — about your topic, gap, method, results and limitations — with tips for strong answers.

25 Common Viva Questions (and How to Answer Them)

A viva is a conversation about your research. Examiners mainly want to see that you understand what you did and why. Prepare answers to these questions in your own words.

About the topic

  1. Why did you choose this topic?
  2. What problem does your study address?
  3. What is the research gap?
  4. What is the significance of your study — who benefits?
  5. Summarise your thesis in two minutes.

Tip: practise a 60-second and a 2-minute summary: problem → gap → method → main findings → contribution.

About the literature and theory

  1. Which theory supports your framework, and why?
  2. Which previous studies are closest to yours?
  3. How is your study different from them?
  4. Define your key variables.

About the methodology

  1. Why did you choose this research design?
  2. Who was your population and how did you select the sample?
  3. How did you calculate your sample size?
  4. Why this sampling technique? What are its limitations?
  5. Where did your questionnaire come from? How did you check validity and reliability?
  6. What ethical steps did you take?

About the analysis and results

  1. Why did you use this statistical test?
  2. Did you check its assumptions?
  3. What does this p value / R² / beta mean?
  4. Which hypothesis was not supported? Why might that be?
  5. What is your most important finding?

Tip: be ready to explain every number in your main tables in simple words. See how to read regression output.

About the conclusion

  1. What are the practical implications?
  2. What are the limitations of your study?
  3. If you did this study again, what would you change?
  4. What future research do you suggest?
  5. What is your original contribution to knowledge?

How to answer well

  • Pause, then answer briefly and directly. Long answers create new questions.
  • If you don’t know, say so honestly and explain how you would find out.
  • Accept valid criticism calmly: “That’s a fair point; it is a limitation, and future studies could…”
  • Bring a printed copy of your thesis with tabs on key tables.

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