Which of the following is a difference between cross-sectional and longitudinal studies?
A)Unlike cross-sectional studies, longitudinal studies are affected by the cohort effects problem.
B)Cross-sectional studies deal with people of the same age, whereas longitudinal studies deal with a people belonging to different age groups.
C)Cross-sectional studies assess people at one point in time, whereas longitudinal studies assess people over a long period of time.
D)Cross-sectional studies assess participants multiple times, whereas longitudinal studies assess participants only once.

Question

Quizplus · Accepted Answer

The main difference between cross-sectional and longitudinal studies is that cross-sectional studies assess participants at one point in time, whereas longitudinal studies assess participants over a long period of time. This means that longitudinal studies can track changes in individuals or groups over time, while cross-sectional studies provide a snapshot of a particular moment in time. Therefore, option C is the correct answer. Options A, B, and D are incorrect because they do not accurately reflect the difference between the two types of studies.

Which of the Following Is a Difference Between Cross-Sectional and Longitudinal