Identify a true statement about longitudinal studies.
A)They assess different participants at only one point in time.
B)They analyze changes in the same participants over a long period of time.
C)They analyze changes in different groups of participants over a long period of time.
D)They assess different participants at different points in time.

Question

Quizplus · Accepted Answer

Longitudinal studies involve following the same group of participants over a long period of time and analyzing changes in their behavior, traits, or other variables. Therefore, option B is the only true statement. Option A describes a cross-sectional study, option C describes a cohort study, and option D describes a time-series study.

Identify a True Statement About Longitudinal Studies