Question

question 3 of 10
in a cohort study, a scientist collects health data on a group of nurses. what characteristic was used to form the cohort?
a. age
b. occupation
c. geography
d. behavior

Explanation:

A cohort study groups individuals based on a shared characteristic. Here, the shared characteristic is "nurses," which is an occupation. Age (A) would group by age - related factors, geography (C) by location, and behavior (D) by actions or habits. Since the group is formed by the occupation of being a nurse, the answer is B.

Answer:

B. Occupation