We are doing a group project on the gender wage gap in China, India, and the US. We are looking at the average pay, what jobs have best and worst pay gap in each of the listed countries.

We need to identify the following variables in the research proposal:

Proposal: Submit a Research Proposal for instructor approval that includes your main variables, any control variables, how they are labeled, what your value ranges are, your specific data source, and your tentative research question.

please list any sources used as a reference thank you!