By definition,a cross-sectional study ______.
A)collects data from two or more samples
B)collects data at one point in time
C)collects data for independent and dependent variables
D)collects data from two or more populations

Question

Quizplus · Accepted Answer

A cross-sectional study collects data at one point in time, typically from a single sample. This is in contrast to a longitudinal study, which collects data over time from the same sample or population. The other options (A, C, and D) are not accurate definitions of a cross-sectional study.

By Definition,a Cross-Sectional Study ______