In an experiment examining the effects of running on stress levels,one group of participants is tested after running on a treadmill for 30 minutes.A week later,the same group of participants is tested after resting on a bed for 30 minutes.This is an example of a ________ design.
A)single-subjects
B)between-subjects
C)within-subjects
D)matched groups

Question

Quizplus · Accepted Answer

This is a within-subjects design because the same group of participants is being tested in both conditions (running and resting). This allows for each participant to act as their own control, reducing the potential influence of individual differences on the study's results.

In an Experiment Examining the Effects of Running on Stress