Eighth graders (N = 136) were divided into two groups: students who had participated in at least one interscholastic sport and were classified as athletes (n = 73), and students who not participated in interscholastic sports and were classified as nonathletes (n = 63). The mean grade point average (GPA) for each group and subgroup was computed and compared by group, subgroup, and sex. There were 6 categoies of sports participation, rangingfiom no sports to 5 sports. As interscholastic sports participation increased, GPAs improved.
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Stephens et al. (2002) studied this question.
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