Research Methodology is one of the important chapters of your thesis.
In this chapter the writer has to specify what types of procedures and techniques that he will use to research and test his hypothesis. The Research methodologies like qualitative, quantitative need to be described.
You need to make sure that each methodology will conclude to your drawn objectives. The techniques that will be used should valid and should be able to find the answers of the question.
Research Methodology chapter needs to specify the observations, classification and data you will use to conduct your research.
If there is an empirical data research involved then write how do you do the empirical data analysis and how do you gather the data.