Mastery motivational climate: influence on physical play and heart rate in African American toddlers.

The purpose of this study was to determine the effectiveness of a planned mastery motivational physical play session on physical activity (i.e., heart rate [HR] and physical play intensity [PAHR > 50]) in toddlers (N = 21), as compared to a nonplanned free play session.

Physical activity and situational motivation in physical education: influence of the motivational climate and perceived ability.

The influence of perceptions of the motivational climate and perceived ability on situational motivation and the physical activity behavior of 213 male and 229 female adolescent physical education students (M age = 12.56 years; SD = 0.96) was examined over a 3-day period.