This study aims to identify early childhood sociability trajectories and examine their longitudinal associations with behavior problems. Using a population-based data set presented by the Panel Study on Korean Children, sociability trajectories from age 2 to age 4 were identified by latent class growth analysis. Associations between sociability…

Research Findings: This study investigates contributions of the preschool classroom interpersonal environment to students' social competence in 1st grade. Participants were 862 ethnically/racially diverse children who attended public preschool classrooms serving low-income families. Systematic observations of 60 classrooms occurred across the…

Research Findings: The transition to kindergarten has important ramifications for future achievement and psychosocial outcomes. Research suggests that physical aggression may be related to difficulty during school transitions, yet no studies to date have examined the role of relational aggression in these transitions. This article examines how…

Research Findings: Minor illnesses, such as upper respiratory infections, stomachaches, and fevers, have been associated with children's decreased activity and increased irritability. This multi-method investigation of 110 day care-attending children examined whether experience with recurrent, minor illnesses and negative emotionality worked…

Research Findings: The present study concerns children's behavioral adjustment in the context of pre-primary schools in Tanzania. Twenty teachers and 320 children from 20 pre-primary schools participated in the study. Teacher-child relationships, children's behavioral adjustment, and teachers' cultural beliefs were reported by teachers; classroom…

Studied social interaction among a sample of children at risk for the development of later and more severe behavioral-control difficulties. Observed 121 children in pairs. Found that children in the high-risk group displayed significantly and consistently more aggressive behavior than did the children in the low-risk group. (JS)