Preschoolers' (M[subscript age]=48.7 months) social breadth (the number of peer children interact with and the frequency of these interactions) and the relations between breadth and externalizing behaviors were examined using the Q-connectivity method. After considering age, sex, and classroom effects on social breadth, children's externalizing…

Although a negative association between hyperactivity and academic achievement is well documented, little is known about the genetic and/or environmental mechanisms responsible for the association. The present study explored links between parent and teacher ratings of hyperactive behavior problems and teacher-assessed achievement in a sample of…

Examined mothers' total weekly work hours and psychological work involvement in relation to children's achievement behaviors and mothers' parenting. Subjects were 105 middle-class children and their mothers. Results indicated that high numbers of weekly work hours were associated with poorer teacher ratings of children's grades, school work…