A researcher compares preexisting groups of individuals in which type of study?
A) Between-subjects experiment
B) Within-subjects experiment
C) Nonequivalent group design
D) Pre-post design

Question

Quizplus · Accepted Answer

A researcher compares preexisting groups of individuals in a nonequivalent group design. In this type of study, the researcher has no control over the assignment of individuals to groups, which can lead to potential confounding variables. However, the groups can still be compared to each other to examine differences or effects of a particular intervention or condition. The other options (A, B, D) are all experimental designs that involve some level of manipulation or control over the assignment of individuals to groups or conditions.

A Researcher Compares Preexisting Groups of Individuals in Which Type