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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Int J Dev Sci. 2011;5(1-2):127–137. doi: 10.3233/dev-2011-10066

Table 3.

Descriptive Statistics, Intraclass Correlations, and Standardized Estimates for Adolescent and Friend Effects for Aggression and Prosocial Behavior on Friendship Qualities

C VC HG ID CR Co
M (SD) 3.91 (0.78) 4.15 (0.62) 3.84 (0.73) 3.67 (0.92) 4.19 (0.76) 1.64 (0.65)
ICC 0.62 0.27 0.28 0.43 0.22 0.41
Gender (Boys = 1; Girls = 0) −0.06 0.19*** −0.13* −0.37*** −0.09 −0.04
Adolescent aggression 0.02 −0.14** 0.00 0.06 −0.12* 0.05
Friend aggression −0.04 0.06 0.04 0.05 0.01 0.14**
Adolescent prosocial 0.10* 0.14** 0.01 0.12* 0.10 −0.09
Friend prosocial 0.15** 0.15** 0.19*** 0.20*** 0.03 −0.13**
Adolescent aggression X prosocial 0.00 0.12** 0.06 0.01 0.11* −0.13**
Friend aggression X prosocial −0.01 0.01 0.02 0.02 0.00 −0.09

Note.

*

p < 0.05;

**

p < 0.01;

***

p < 0.001.

C = Companionship; VC = Validation and Caring; HG = Help and Guidance; ID = Intimate Disclosure; CR = Conflict Resolution; Co = Conflict.