How To Write A Methods Section Of A Paper . Briefly explain the type of study, sample/population size and description, the design, and any particular techniques for data collection and analysis. Therefore, it requires a clear and precise description of how an experiment was done, and the rationale for why specific experimental procedures were chosen. How to write the discussion section of a research paper apa ee from www.aphroditesvision.com Evaluate and justify your methodological choices. Get your experimental design right. Before clarifying the process of writing a methods section, first, let’s talk about the possible pitfalls you must avoid.