Table 2.

Hierarchical regression analyses predicting children’s positive and negative affect.

	Positive affect			Negative affect
Variables	B	SE B	β	B	SE B	β
Step 1	R2 = 0.04**			R2 = 0.02*
Gender	0.05	0.07	0.03	-0.17	0.07	-0.12*
Class level	-0.18	0.04	-0.20**	0.04	0.04	-0.05
Step 2	ΔR2 = 0.008			ΔR2 = 0.03*
Mother’s education	0.03	0.04	0.04	-0.07	0.04	-0.11
Father’s education	0.03	0.04	0.06	-0.06	0.04	-0.09
Step 3	ΔR2 = 0.03**			ΔR2 = 0.03*
School achievement	0.17	0.05	0.18**	-0.17	0.05	-0.18**
Parent–school communication	0.07	0.06	0.06	0.02	0.06	0.02
Step 4	ΔR2 = 0.01**			ΔR2 = 0.01*
School achievement × Parent-school communication	0.18	0.08	0.11*	-0.20	0.08	-0.11*

*p < 0.05; **p < 0.01.