Models	Variables	Hierarchical Regression Description Statistics				Description and Statistics of Variables
Models	Variables	R	R²	df	F	B	Standard Error	Beta	t
1		0.572	0.327	1	172.258**
	(constant)					1.070	0.201		5.324**
	CCB					0.237	0.018	0.572	13.125**
2		0.679	0.461	2	151.182**
	(constant)					1.512	0.186		8.121**
	CCB					0.153	0.018	0.370	8.292**
	AA					0.038	0.004	0.418	9.373**
3		0.745	0.555	3	146.387**
	(constant)					0.376	0.215		1.752
	CCB					0.265	0.021	0.640	12.474**
	AA					0.188	0.018	2.091	10.536**
	CCB×AA					−0.013	0.002	−1.845	−8.611**