TABLE 2.

Mean, standard deviation, analysis of variance, analysis of covariance, and effect size for differences in means (partial square eta) in the variables under study (social competence and peer social acceptance) in the experimental and control groups.

	Pretest				ANOVA			Posttest				ANCOVA
	EG		GC					EG		CG
	M	SD	M	SD	F	p	μ2	M	SD	M	SD	F	p	μ2
SC
Cognitive reappraisal	4.68	1.35	4.71	1.40	0.453	0.915	0.002	4.72	1.40	4.68	1.42	0.454	0.243	0.010
Social adjustment	5.48	1.41	5.53	4.58	1.231	0.534	0.003	6.03	1.56	5.41	1.52	2.731	0.011	0.064
Prosocial behavior	5.45	1.38	5.67	1.31	0.915	0.246	0.004	6.07	1.53	5.72	1.48	3.447	0.002	0.078
Perceived social efficacy	5.37	1.44	5.41	1.65	1.472	0.717	0.003	6.09	1.48	5.32	1.72	4.315	0.008	0.072
Normative adjustment	5.59	1.51	5.54	1.39	0.882	0.766	0.002	5.61	1.48	5.50	1.42	0.744	0.816	0.009
SA
Kind	0.31	0.10	0.32	0.14	0.617	1.014	0.009	0.34	0.11	0.30	0.15	1.126	0.414	0.011
Stalker	0.27	0.18	0.25	0.20	0.074	0.879	0.007	0.25	0.13	0.26	0.19	0.933	0.736	0.001
Cooperator	0.28	0.15	0.30	0.12	1.011	0.731	0.003	0.37	0.12	0.29	0.11	2.732	0.008	0.027
Leader	0.16	0.20	0.19	0.18	0.873	0.512	0.004	0.19	0.19	0.16	0.21	0.899	0.122	0.007
Index of social acceptance	0.77	0.48	0.81	0.41	0.342	0.873	0.002	0.87	0.45	0.75	0.40	3.715	0.010	0.045

SC, social competence; SA, peer social acceptance; μ² = eta square effect size; EG, experimental group (n = 62); CG, control group (n = 44); M, mean; SD, standard deviation.