Investigators use the _______ research design when studying the same group of participants at many points in time.
A) cross-sectional
B) longitudinal
C) sequential
D) experimental

Question

Quizplus · Accepted Answer

A longitudinal research design is used when the same group of participants is studied at multiple points in time, allowing the investigator to examine changes and trends over time. In contrast, a cross-sectional design studies different groups of participants at one point in time, a sequential design combines cross-sectional and longitudinal designs, and an experimental design manipulates variables to assess cause-and-effect relationships.

Investigators Use the _______ Research Design When Studying the Same