Previous research has offered mixed evidence on whether obligation in relationships benefits or harms individuals and their relationships. Given that few studies are prospective and consider multiple close relationships, we used 18-year longitudinal data to model whether obligation is associated with differences in relational and individual…

The predictive relations between social capital depth (high-quality relationships across contexts) and breadth (friendship network extensivity) and early-adult life adjustment outcomes were examined using data from a prospective longitudinal study. Interviews at age 22 yielded (a) psychometrically sound indexes of relationship quality with…

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…

Study of same-sex play networks found that between ages four and six, the size of girls' play networks decreases along with the number of girls excluded. Although results did not confirm the hypothesis that the size of boys' play networks increases, there was a trend for boys in the older classes to exclude fewer playmates from their networks. (AA)

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…

Examines the growth of understanding of citizenship in young children, particularly children's grasp of rules of school life. Explores development of citizenship by studying children's representations of school life and adult-child relationships in pretend play. Touches upon Dewey's, Piaget's, and Vygotsky's theories of child development. (BGC)