Table 1.

Distribution of groups by gender. Mean (±SD) for the selected variables.

Variables	Incremental	Entity	Control
Gender	70 boys, 51 girls	78 boys, 43 girls	79 boys, 42 girls
Age	13.33 (1.01)	13.11 (.92)	13.18 (.74)
Physical activity	3.02 (.68)	3.09 (.72)	3.13 (.69)
General perceived competence	2.65 (.60)	2.56 (.64)	2.66 (.62)