variables	First Hierarchical			Second Hierarchical			Third Hierarchical
variables	Β	t	P	Β	t	p	β	t	P
Gender	−0.009	−0.158	0.857	−0.008	−0.138	0.870	−0.026	−0.45	0.635
Grades	0.262	4.43***	0.000	0.234	390***	0.000	0.117	1.80	0.079
Home income				0.030	0.188	0.837	0.017	0.11	0.908
Father education				0.114	1.525	0.101	0.091	1.23	0.188
Father’sWork				−1.088	−1.114	0.232	−0.092	−1.12	0.250
Mother education				−0.092	−1.037	0.262	−0.061	−0.71	0.440
Mother’s work				0.124	1.024	0.311	0.097	0.81	0.418
Father emotional warmth							0.115	1.24	0.192
Father rejection							0.279	2.58*	0.009
Father protection							0.059	0.43	0.657
Mother emotional warmth							−0.049	−0.55	0.552
Mother rejection							−0.143	−0.15	0.154
Mother protection							0.057	0.44	0.682
R²	0.068			0.100			0.168
ΔR²				0.032			0.086***