In this study, the effects of eight weeks of handball exercises on social development of Khorramshahr high school male students were
surveyed using Witsman social development questionnaire. This research used a quasi-experimental method. The sample was
composed of 40 subjects who were selected using cluster sampling. Comparison of various aspects of individual and social
development in experimental and control groups showed that there are significant and positive factors at p < 0.5level difference. After
eight weeks of handball exercises, there was a significant difference regarding all aspects of social development except hope and
optimism. Team sports of handball made significant progress in social development and its dimensions.