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Observational Studies (Analytical) (Cross-Sectional (Pros (Rapid and lower…
Observational Studies (Analytical)
Cross-Sectional
Pros
Rapid and lower cost
Cons
not able to establish point in time relationship
Fun fact
Also called "snapshot studies"
Usually find both exposure and outcome at the same time
Case-Control
Pros
Useful for rare outcome
Cons
Cons
Cannot explore multiple outcomes
Cohort
Pros
multiple outcomes can be explored
Can establish incidence
Cons
Lengthy and expensive
Not suitable for rare disease
Study Design
Starting point is EXPOSURE