Even if you decided on your methodology early on in your research process, it should appear rhetorically as the result of a careful weighing of competing factors, before you decided on the most logical choice. You might, for instance, ensure that you refer back to your literature review frequently and use phrases like, "This approach may seem like a significant departure from established approaches to this field, but it combines the proven data-gathering techniques of X with the statistical analysis model of Y, along with the following innovations".
But that means you've nevertheless sacrificed a quantitative approach to your problem that might have yielded its own set of important insights. Your dissertation methodology should therefore offer value in and of itself, and be both rigorous and reproducible. But the methodology is the central point around which the dissertation — and its potential impact to the field — pivots.
Your methodology section allows you to rationalise and justify the approach you've taken to your research question sand to define your own criteria for the project's success. You might even find yourself moving material back and forth between sections during edits.
Up until the point of writing your methodology, you will have defined your research question and conducted a detailed review of what other scholars in the field have to say about your topic. Sound rhetorical presentation of your methodology is not just "decoration" — it forms an integral part of its overall rigour and structural soundness, and can make the difference between a and a First, or between a merit and a Distinction.
The best undergraduate dissertations will of course show originality of thought and may even be able to make an original contribution to their field — but the focus will generally be on demonstrating that you have the fundamental research skills to undertake investigative work in your field.
Part of this, of course, entails obtaining sign-off for your design from the appropriate ethics bodies, but even then there might be aspects of your study — inviting subjects to relive episodes of grief and trauma, for instance, or broaching culturally sensitive matters within a particular target group — that some readers could consider contentious or problematic.
If you're writing an undergraduate dissertationthis may very well be the first time you've been asked to engage with such a broad field of literature, and categorising this into distinct approaches and schools of thought may seem like an overwhelming task at first.
But it's crucial that you provide a detailed justification of your chosen frameworks and how they relate to your research question here too; without this justification a critical reader may very well take issue with your entire analysis because you've failed to convince them of the appropriateness of your theoretical underpinnings to the material you're analysing.
Writing your dissertation methodology What is a methodology? However, in virtually all cases, your creative project must be accompanied by a substantial critical essay or introduction, or commentary that theorises your creative practice.