Dr. Klein wants to investigate the long-term effects of antidepressants in children. To do so, she randomly selects a group of subjects and follows them across five years. What type of study is this?
A) Naturalistic
B) Cross-sequential
C) Cross-sectional
D) Longitudinal

Question

Quizplus · Accepted Answer

This is a longitudinal study because it involves observing the same subjects over a period of time, in this case, five years, to investigate changes or outcomes.

Dr Klein Wants to Investigate the Long-Term Effects of Antidepressants