Longitudinal studies examine changes that occur with age; what do cross-sectional studies examine?
A) immediate treatment effects across groups
B) long-term treatment effects
C) age changes
D) age differences

Question

Quizplus · Accepted Answer

Cross-sectional studies examine age differences rather than changes over time. These studies compare different age groups at one point in time to examine differences in behavior, cognition, or other factors.

Longitudinal Studies Examine Changes That Occur with Age; What Do