Enriched environments may moderate the effect of genetic factors on prosocial leadership (gene-environment interaction, G × E). However, positive environmental experiences may also themselves be influenced by a genetic disposition for prosocial leadership (gene-environment correlation, rGE). Relating these processes to friendships, the present…

Boys (N=113), participated in a sociometric interview and completed a questionnaire on their best-friend relationships in November and May. Results indicated that boys' proactive aggression was associated with a supportive, satisfying, and low-conflict friendship early but predicted increased conflict later. In contrast, reactive aggression was…

This study evaluated the relations of peer status, self-perceptions, and other-perceptions of social competence among 9- and 11-year-old children. Self-esteem, self-perception in different domains, and teachers' assessments were examined along with peer status. (PCB)

Evaluated contributions of birth status (gestational age and birthweight) and family adversity at birth and at age 7 to explain behavior problems at age 7. Found significant relationships between birth status and isolation, social withdrawal problems, social immaturity, and inattention. Family adversity at birth contributed to aggression reported…