Research Findings: Preschoolers' sleep patterns were examined related to cognitive and adaptive functioning. The sample consisted of 874 typically developing preschool children with a mean age of 40.01 months. Parent/caregiver reports of children's sleep pattern factors, Stanford-Binet 5 intelligence scale scores, and Behavior Assessment System…

Research Findings: This study examined 56 young (prekindergarten through 2nd grade) urban-dwelling African American children's understanding of the affective attributions and consequences of 3 types of sociomoral rule systems: prosocial, active, and inhibitive morality. It also tested the relationship of affective attributions and consequences to…

Research Findings: In this examination of associations between sibling interaction patterns and later social outcomes in single- and 2-parent families, 113 kindergarteners took part in naturalistic observations at home with siblings, classmates participated in sociometric interviews, and teachers completed behavior ratings. Sibling interactions…