In a __________ study, data collected at one time is used to compare people of different ages.
A) longitudinal
B) retrospective cohort
C) cross-sectional
D) prospective cohort

Question

Quizplus · Accepted Answer

A cross-sectional study is designed to compare different age groups at one point in time. It is a snapshot of a population at a particular moment, making it ideal for comparing age groups. A longitudinal study follows a group of individuals over a prolonged period, while a prospective cohort study follows a specific group of individuals over time, both of which are not suitable for comparing different age groups. A retrospective cohort study starts with individuals who have a known exposure and compares their outcomes to a group without the exposure, making it inappropriate for comparing age groups.

In a __________ Study, Data Collected at One Time Is