Find how many participants would be in each group

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Dr. Alexander is interested in studying the effects of exercise on mood. Participants included 120 children, half assigned to swim 30 minutes per day and the other half assigned to read 30 minutes per day. After 3 weeks, they administered a test of positive mood. If this study involved a repeated measures design (within subjects) comparing conditions with the same number of participants, how many participants would be in each group?

Reference no: EM13120600

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