What is the fundamental difference between the method you have chosen (either the case-control or cohort method) and the randomized controlled trial?

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:
What is the fundamental difference between the method you have chosen (either the case-control or cohort method) and the randomized controlled trial?
What are the advantages and disadvantages of the study method you chose (case-control or cohort study)?
What are the characteristics of a correlational study?
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?

TEXT BOOK Cupp, A.L. (2020). Population-based nursing: Concepts and competencies for advanced practice. (3rd ed.). Springer Publishing Company.

Articles/resources Video
Medcom, inc. (2009). History and virology of pandemic influenza [Video file]. Medcom.
Arbach, K. & Bobbio, A. (2018).Intimate partner violence risk assessment in community health facilities: A multisite longitudinal studyLinks to an external site.. Psychosocial Intervention, 27(2), 105-112. https://doi.org/10.5093/pi2018a13

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