In the context of one-group pretest-posttest design, maturation effects occur when:
A)taking a pretest changes the participant's behavior.
B)participants change over time and become bored or fatigued.
C)a confounding event occurs at the same time as the experimental manipulation.
D)the basic characteristics of the measuring instrument change over time.

Question

Quizplus · Accepted Answer

Maturation effects occur when participants naturally change over time, such as becoming bored or fatigued, which can affect their behavior and affect the results of the study. Option A describes the testing effect, option C describes a confounding variable, and option D describes instrumentation effects.

In the Context of One-Group Pretest-Posttest Design, Maturation Effects Occur