To investigate the effects of exercise on mathematical problem-solving ability,a researcher assignsparticipants to one of two groups.One group cycles on an exercise bike for one hour,and the other group performs no exercises.Afterward,both groups work on a set of math problems and their performances are compared.In this experiment,the group that does not exercise is the ____.
A) control group
B) dependent variable
C) independent variable
D) intervening group
Correct Answer:
Verified
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