A study in which a group of individuals of different ages is studied at the same time is a ____ study.
A) longitudinal
B) multilevel
C) repetitional
D) cross-sectional

Question

Quizplus · Accepted Answer

A cross-sectional study involves examining a group of individuals of different ages at the same point in time. This is in contrast to a longitudinal study, which follows a group of individuals over a period of time, and would not meet the criteria described in the question. Multilevel and repetitional studies are not commonly used terms in research, and are not relevant to the question.

A Study in Which a Group of Individuals of Different