. Author manuscript; available in PMC: 2016 Oct 1.

Published in final edited form as: Psychol Violence. 2015 Sep 7;5(4):402–410. doi: 10.1037/a0039685

Table 2.

Correlation Matrix of Study Variables (N = 230)

Variable	1	2	3	4	5	6	7	8	9	10	11	12
1. Aggressive behavior T1	-
2. Aggressive behavior T2	.80^***	-
3. Aggressive behavior T3	.56^***	.58^***	-
4. Aggressive behavior T4	.47^***	.55^***	.79^***	-
5. Friend’s aggressive behavior T1	.08	−.01	.06	.07	-
6. Self- reported friendship quality T1	.04	−.04	.13^*	.13	.05	-
7. Friend- reported friendship quality T1	.05	.01	.07	.02	.12	.32^***	-
8. Friendship formation T1	.10	.08	.09	.02	−.13	.20^**	.04	-
9. Friendship closeness T1	.06	−.03	.01	−.04	.02	.23^**	.05	.40^***	-
10. Friendship trust T1	−.03	−.09	−.10	−.15^*	−.02	.09	−.02	.29^***	.25^***	-
11. Friendship conflict resolution T1	.05	.00	.05	.01	−.05	.21^**	.04	.22^**	.28^***	.27^***	-
12. Friendship termination T1	.07	−.05	−.01	−.03	−.11	.10	.08	.15^*	.27^***	.23^**	.17^*	-

Note. T1 = Time 1. T2 = Time 2. T3 = Time 3. T4 = Time 4.

p < .05.

^**

p < .01.

^***

p < .001.