Table 2 Regression Analysis step by step coefficients taking as a dependent variable the Coach’s perception of their athletes efficacy.

Variable		β	R²	t	p
Step 1			.22
	Valued Roles	.47		4.29	.00
Step 2			.31
	Valued Roles	.43		4.10	.00
	Unity of purpose	.31		2.92	.00
Step 3			.43
	Valued Roles	.34		3.38	.00
	Unity of purpose	.36		3.67	.00
	PR Social	.36		3.60	.00