When the same group of subjects are repeatedly compared at different points in time, the study is called a
A) cross-sectional study.
B) longitudinal study.
C) cross-cultural study.
D) sequential study.

Question

Quizplus · Accepted Answer

A longitudinal study tracks the same group of individuals over time, typically collecting data at multiple time points. This allows for observation of changes or developments within the group over time. The other choices - cross-sectional, cross-cultural, and sequential studies - do not necessarily involve tracking the same individuals over time.

When the Same Group of Subjects Are Repeatedly Compared at Different