Disadvantages & advantages of prospective study?



Answers:
Advantage: No recall bias, hence more accurate; the time of development of disease can be accurately found out

Disadvantage: Need a long time; the case-control proportion would probably have a large difference
depends on what the study is
Disadvantage: You may have to wait years to collect enough data for your experiment.

Advantage: You can accurately write down all the info that you are looking for without forgetting events.

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