Introduction: In the "new ecology of learning" it is becoming crucial to trace the paths of learning experiences that students develop both in school and outside it. Few research studies have focused on out-of-school activities. In this paper, we explore differences between children and adolescents in their participation through 26…

With school-based physical activity emerging as a public health issue, it is more important than ever to understand what keeps children and adolescents interested and participating in physical education and physical activity. As the research on physical activity patterns indicates, the middle school years may be a watershed moment in the lives of…