Epidemiological methods and measurements

Week 3:
This week we are comparing and contrasting epidemiological methods of research; case-control and cohort study methods. Select either the case-control or cohort study method and compare its features, the methodology, to a randomized controlled trial using the following questions. Please format, organize, your responses using each question below:
1.  What is the fundamental difference between the method you have chosen (either the case-control or cohort method) and the randomized controlled trial?
2.  What are the advantages and disadvantages of the study method you chose (case-control or cohort study)?
3.  What are the characteristics of a correlational study?
4.  Where does the method you chose (case-control or cohort study) fall on the research pyramid? What does where it is on the research pyramid mean?
Post your response to the DB. Your analysis should have in-text citations and utilize a scholarly voice with APA formatting.