Table 4: Differences in self-efficacy related to demographic characteristics (Number = 117).

Variable			M	SD	t-test	p-value
Self-efficacy	-	-
Interaction at school	Gender	Male	23.27	7.80	-2.27	0.026
		Female	27.39	7.40
Academic performance out of class	Gender	Male	41.00	14.56	-.199	0.049
		Female	48.00	13.42
Academic performance in class	Gender	Male	37.37	11.00	-2.04	0.044
		Female	42.74	10.06
Interaction at school	Punished	Yes	31.50	6.35	-2.03	0.045
		No	42.12	10.36