Table 4.

Ego-alter friendship maintenance based on aggression in prosocial, mixed and aggressive classrooms

	Prosocial classrooms				Mixed classrooms				Aggressive classrooms
	Friends’ aggression				Friends’ aggression				Friends’ aggression
Adolescents’ aggression	1	2	3	4	1	2	3	4	1	2	3	4
1	0.41	−0.13	−0.67	−1.21	0.62	0.22	−0.23	−0.73	0.68	0.46	0.17	−0.17
2	0.27	0.07	−0.14	−0.34	0.17	0.07	−0.08	−0.27	0.12	0.09	0.00	−0.15
3	−0.27	−0.13	0.00	0.14	−0.30	−0.10	0.06	0.17	−0.22	−0.06	0.05	0.09
4	−0.12	−0.73	−0.26	0.21	−0.79	−0.28	0.18	0.59	−0.33	0.02	0.32	0.56

Numbers in the table reflect the strength of attraction for students to become friends with certain peers, given their own and their peers’ aggression levels (columns dependent on rows). The values in the cells in these tables can be transformed to odds by taking the exponential function (exp.[k])