Which type of observational study design is best suited for a scenario when the exposure under...
Which type of observational study design is best suited for a scenario when the exposure under study is rare?
a) Case-control study
b) Retrospective cohort study
c) Prospective cohort study
d) Prospective and retrospective cohort study
e) Retrospective cohort study and case-control study
Homework Answers
Answer: (c) prospective cohort study.
Reason:
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