Table 2.

Correlations between variables and age.

Variables	1	2	3	4	5	6	7	8
Age (1)	1	−0.382 **	−0.588 **	−0.320 **	−0.293 **	0.009	0.348 **	0.542 **
Responsibility (2)		1	0.629 **	0.494 **	0.648 **	0.321 **	−0.232 **	−0.261 **
School Climate (3)			1	0.489 **	0.673 **	0.148 **	−0.232 **	−0.476 **
PMI (4)				1	0.582 **	0.266 **	−0.065	−0.238 **
Autonomous motivation (5)					1	0.228 **	−0.030	−0.229 **
Prosocial behavior (6)						1	0.107 *	0.107 *
Antisocial behavior (7)							1	0.513 **
Violence (8)								1

Note: PMI = psychological mediator index; * p < 0.05; ** p < 0.01.