I think that playing music during an exam will help students to relax. My thinking is that, if they are more relaxed, then they will perform better. One class gets to listen to rap, another to classical, another to country western, another to easy listening. I should have one more group. What group am I missing, if I want to draw conclusions about the effects of music?

Question

Quizplus · Accepted Answer

A control group which does not listen to music is necessary to compare the effects of music on exam performance against a baseline where no music is played.

I Think That Playing Music During an Exam Will Help