Quick Answer
What should you do if your supervisor disagrees with your dissertation methodology?
Clarify exactly what the supervisor thinks is wrong, separate methodological concerns from personal preference, compare alternatives against the research question and evidence, ask what would make your approach defensible, and document the agreed decision before making major changes.
Find the Exact Point of Disagreement
“My supervisor does not like my method” is too broad. The concern may be sample access, validity, statistical power, ethics, theoretical fit, feasibility or the strength of the claims. Ask what specific risk the supervisor sees.
Once the problem is precise, you can evaluate it. A disagreement about whether interviews answer the question is different from a concern that recruitment cannot be completed before the deadline.
Return to the Research Question
Method should follow the question. Write the main research question and ask what evidence is needed to answer it. If the question asks about lived experience, a purely numerical survey may miss depth. If it asks about relationships among measured variables, interviews alone may not provide the intended test.
Use this alignment as the centre of the discussion rather than arguing from personal preference.
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Bring Methodological Evidence
Read methods texts and recent studies using similar questions. Show how comparable research has designed the study, sampled participants and analysed the data. Evidence turns the conversation into methodology rather than opinion.
Do not copy a method simply because another paper used it. The context, sample and objective must still fit your project.
Compare Alternatives Side by Side
Compare each approach on fit with the research question, access to participants or data, ethics, analysis requirements, skills and timeline. This often reveals that a disagreement is really about feasibility rather than academic preference.
Write the comparison down before the meeting. A short evidence-based table is easier to discuss than two competing ideas described from memory.
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Ask What Would Make Your Approach Acceptable
If you want to keep the original approach, ask what change would make it defensible. The answer may be a narrower question, stronger sampling plan, additional validity evidence or more cautious causal language.
This creates room for a compromise that protects the research logic without ignoring experienced supervision.
Know the Formal Decision Process
Programmes differ in how much authority supervisors have over research decisions. Some choices are yours within academic rules; others require supervisor, ethics or programme approval. Check the handbook if disagreement persists.
Do not treat supervision as a contest to win. The goal is a defensible dissertation that satisfies programme requirements.
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Document the Agreed Direction
After an important methodological discussion, write the final decision and next actions. If the method changes, update the proposal, ethics documents, research questions, instrument and analysis plan together.
A short confirmation prevents later confusion about whether you were expected to change the entire design or only one part.
Mistakes to Avoid
- Treating criticism of the method as personal criticism.
- Defending a method without linking it to the research question.
- Changing the entire design after one vague comment.
- Using one published paper as proof that a method must be accepted.
- Ignoring ethics or programme approval requirements.
- Continuing with a disputed method without documenting the decision.
Some disagreements concern core requirements, such as whether the design can answer the question or whether ethics approval covers the procedure. Others concern preferences about software, terminology or presentation. Ask which kind of issue you are dealing with. Core methodological concerns need evidence and resolution; presentation preferences are often easier to accommodate.
Separate Methodological Principle From Preference
Before you move on, compare the revised plan with the dissertation handbook, assessment criteria and latest supervisor guidance. Check that the research question, objectives, method, evidence and remaining timeline still point in the same direction. A short consistency check now can prevent repeated corrections later, especially when the project has changed under time pressure.
Final Consistency Check
Research methods often involve more than one reasonable design. The question is not always which method is universally correct, but which is best aligned with your question, resources, skills and programme expectations. If two approaches are defensible, ask the supervisor which trade-off matters most in your dissertation and record why the final choice was made. That explanation can later strengthen the methodology chapter.
Prepare for the Possibility That Both Approaches Are Defensible
Key Takeaways
- Identify the exact methodological concern.
- Return the discussion to the research question.
- Use methods literature and comparable studies as evidence.
- Compare alternatives on fit, access, ethics, analysis and time.
- Ask what change would make your approach defensible.
- Document the agreed direction and update related documents.
