This empirical cross-sectional study explored the effect of chronotypes on classroom behaviour. One hundred and forty young Portuguese children, from 1st to 4th grades, were examined regarding their chronotype and disruptive behaviours occurring in the classroom. Three groups of chronotypes (i.e., morning, intermediate and evening) were…

Teen dating violence (TDV) and school violence (SV) are two major social problems in adolescence. Until recently, the antecedents of both TDV and SV have been analyzed largely independently of each other. This study analyses and compares the determinants of both TDV and SV, with a focus on physical violence. Based on a comprehensive survey of…

Adolescence is a very complex period. Various teen problems haunt when they grow up to become adults. The same teenagers successfully face the challenges of their development so that they are free from a variety of risky behaviors. However, some of them also smoke, consume alcohol, have free sex, commit violence, and use drugs. This research is a…

Research Findings: Self-regulation in young children predicts later social adjustment and academic success across cultural contexts. Therefore, it is crucial to identify factors that promote or inhibit behavioral self-regulation skills. In this study, we focus on gender and socioeconomic status (SES; parental education and income) as possible…

We examined gender differences in the first-grade transition, exploring child and classroom contributions to self-control and achievement in a rural sample. Teachers (n = 36) reported on children's (n = 172) initial adjustment difficulty and end-of-year self-control. Observed classroom organization and teacher-reported classroom chaos measured…

This study addressed questions about the relations between personal characteristics and aspects of home environments and young children's subsequent academically relevant peer interaction behaviors in kindergarten in a sample of 108 preschool-age children (57 males, 51 females) from 2 Midwest cities and neighboring communities. A year prior to the…

The current study examines the social and behavioral development of school-age children with different histories of overweight onset. Eight thousand children from the Early Childhood Longitudinal Study-Kindergarten Cohort (ECLS-K) participated. Three groups of children were identified for analysis: (1) those who were persistently overweight from…