Social skills are dynamic developmental constructs typically measured using assessments developed via cross-sectional methods. The measurement model of derivatives (MMOD), a factor analytic approach targeting individual growth trajectories, was used to evaluate the longitudinal factor structure of the Social Skills Improvement System--Rating…

Examines the relationship of birth order to sociability with an unfamiliar peer in a group of 101 children, 33 months of age. Differences were found favoring sociability in children with one or no siblings. Assertiveness followed the same pattern. Family influences which may account for these birth order differences are discussed. (Author/DB)

Examined mother-child interaction in play and teaching tasks. Mother-child interaction aggregates represented task orientation, positive emotion, and allowance of autonomy. Maternal interaction aggregates predicted teachers' ratings of children's positive social behavior, assertiveness, and sadness in the preschool setting. (BC)