An Investigation of Organized Youth Sports Influences on the Children's Mental Development

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The purpose of this investigation was to clarify the influences of sports activity on the cildren's mental development. In order to achive this purpose, two time investigation were made.In the first investigation, several questionnaires were administered by school teachers to 2023 boys and girls in elementary school. The contents of these questionnaires were as follows ; the attitude scale for win and loss in sports games, the attitude scale for behavioral norms in sports games, the attitude scale for Physical Education lesson, the semantic-differential scale of self concepts, and the Yatabe-Guiiford personality inventory. In the second investigation, the same questionnaire were administered to the same 248 boys and girls by the same way as used in the first investigation.Data were analyzed by multiple comparison after ANOVA, and relationships among the participants, non-participants and retired participants were examined.The result indicated that the participants group had higher scores in these scales than other groups. It was suggested that the organized youth sports programs in this case fulfilled a select-function to the participants.