What can be gained from examining pretest and posttest data?
A) determining the impact of the treatment or manipulation on participants
B) determining long-term prognosis
C) determining response in multiple levels of the independent variable and dependent variable
D) testing a between-subjects design

Question

Quizplus · Accepted Answer

Examining pretest and posttest data allows researchers to assess the impact of a treatment or manipulation by comparing participants' performance or responses before and after the intervention.

What Can Be Gained from Examining Pretest and Posttest Data