The advantages and limitations (both primary and universal) of research case studies

Discussion 1:

What is your proposed research question and hypothesis? Give background as to why you would choose this research question and hypothesis.What will they do for your organization?

Discussion 2:

What are the advantages and limitations (both primary and universal) of research case studies (as a research method) over other research methods (such as longitudinal studies, clinical studies, ethnographies, experimental, etc.)?