While the first part comprises of the type of data used and the research method used, the second part includes an in depth analysis of the data collected. The methodology Concludes with a brief note on the research ethics and accuracy of the research.
The layout of your research methodology chapter should include an overview of your approach, followed by the methods you will adopt to collect and analyze data. You must understand that the term methodology is much more comprehensive than just methods, and includes the entire approach you adopt towards your research. This can be difficult to compile certainly; but it is absolutely critical when you want others to accept the validity of your work. For a better compilation, you should get references and consult experts wherever necessary.