A study design feature that allows a researcher to use the change in a subject's measurements over the study period as a dependent variable is called:
A) Between-subjects design
B) Pretest-posttest design
C) Factorial design
D) Control group design

Question

Quizplus · Accepted Answer

A pretest-posttest design involves measuring subjects before and after an intervention, allowing researchers to use the change in measurements as a dependent variable to assess the effect of the intervention.

A Study Design Feature That Allows a Researcher to Use