Which research design is used when researchers initially expect an association between exposure and population outcomes?
A) ecological
B) cross-sectional
C) cohort
D) case-control
Correct Answer:
Verified
Q2: Researchers using a _ research design start
Q3: An observational research design is conducted when
Q4: Observational research designs can be broken up
Q5: A group of researchers focus on exposure
Q6: Why would a researcher use a retrospective
Q8: Which research design is used when a
Q9: Which research design is used when both
Q10: Which research design is used when individuals
Q11: A _ analysis is often used to
Q12: A _ design is good for establishing
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