Table 1.

Descriptive statistics and correlations between variables.

Variables	Gender	Class level	Mother education	Father education	School achievement	Parent-school communication	Positive affect	Negative affect
(1) Gender	—
(2) Class level	0.43	—
(3) Mother’s education	-0.02	-0.08	—
(4) Father’s education	0.02	-0.09	0.67*	—
(5) School achievement	0.26**	0	0.16*	0.16**	—
(6) Parent–school communication	-0.03	-0.27*	0.14**	0.09	0.01	—
(7) Positive affect	0.024	-0.20*	0.10*	0.11*	0.18**	0.12*	—
(8) Negative affect	-0.12*	0.048	-0.18	-0.17**	-0.22**	-0.01	-0.26**	—
M	1.45	5.10	3.02	3.21	0.00	2.61	4.03	2.05
SD	0.50	0.83	1.17	1.18	0.77	0.61	0.73	0.74

*p < 0.05; **p < 0.01.