This study investigated the interactive effects of friend deviance and reward dominance on the development of externalizing behavior of adolescents in the Child Development Project. Reward dominance was assessed at age 16 by performance on a computer-presented card-playing game in which participants had the choice of either continuing or…

The theoretical perspective of Sullivan proposes that during preadolescence, a "chum" relationship increases a child's sense of self-worth. Subjects were 60 male sixth graders, with an equal number in the chumship and non-chumship groups. Self-concept was measured with the Piers-Harris Children's Self-Concept Scale. The results show that…

Concerning the role of parental smoking on development of adolescent smoking, most studies have exclusively focused on the direct effects of parents' smoking on youths' smoking. However, parental smoking may also play an indirect role by affecting youths' susceptibility to peer influences and by affecting friendship selection. Data were from a…