A major advantage of cohort studies over case-control studies with respect to the role of a suspected factor in the etiology of
a disease is that: a. they take less time and are less costly.
b. they can utilize a more representative population.
c. it is easier to obtain controls that are not exposed to the suspected factor.
d. they permit direct estimation of risk of disease in those exposed to the suspected factor.
e. they can be done on a double-blind basis.
d. they permit direct estimation of risk of disease in those exposed to the suspected factor.
Explanation:
A major advantage of cohort studies over case-control studies with respect to the role of a suspected factor in the etiology of a disease is that they permit direct estimation of risk of disease in those exposed to the suspected factor.
d. small groups of friends who share activities and confidences
Explanation:
A clique is a small group of people that usually share an interest with themselves and are usually spending time together and dt allow others to join them and the word clique is usually referred to as a slang for the group of friends and is an abbreviation.