C Lonsdale, CM Sabiston, TD Raedeke, ASC Ha… - Preventive …, 2009 - Elsevier

Self-determined motivation and students' physical activity during structured physical education lessons and free choice periods.

middle school

Lonsdale, Sabiston, Raedeke, Ha

GSID: 4IgsouOBhYIJ

Excerpt

Objective Various organizations have suggested that physical education (PE) should play a central role in increasing adolescents' physical activity (PA) levels. The purpose of this study …