**Research Design**: You would likely use a retrospective cohort study design, as you're looking at secondary data. This design allows you to compare the PrEP uptake before and after the implementation of the HIV Awareness Program. considering my topic is "HIV Awareness (Exposure) Program Influence on PrEP Uptake (Outcome): A Study Among African American MSM (Population of Interest) in South Carolina " help me to write this section and ellaborate