How To Write A Mixed Methods Research Paper . The methodology chapter should comprehensively describe and justify all the research design choices you made. Alternatively, if applicable, the name of. (PDF) Mixed Methods Research A Discussion Paper from www.researchgate.net The mixed methods approach enables comprehensive research and unearths deeper insights. The point of the methodology chapter is to tell the reader exactly how you designed your research and to justify your design choices. Using a combination of quantitative and qualitative research methods in a study can provide more robust answers to the research question.