This study explored whether the directionality of the relation between majority language and various facets of socioemotional development (three to 5 years old) differs between children with different language backgrounds. 12,951 children (49% girls; 85% White, 6% Pakistani and Bangladeshi, 3% Black, 3% Mix, 2% Indian) from the British Millennium…

Language is vital for social interaction, leading some to suggest early linguistic ability paves the way for good adolescent mental health. The relation between age-5 vocabulary and adolescent internalizing symptoms was examined in two U.K. birth cohorts that are nationally representative in terms of sex, ethnicity, and socioeconomic status: the…

The aim of this study was to disentangle pervasive from situational antisocial behaviors using multiple informants, and to investigate their genetic and environmental etiologies in preadolescence and across time. Antisocial behaviors were assessed in 2,232 twins from the Environmental Risk (E-Risk) Longitudinal Twin Study at ages 5 and 12.…

Using nationally representative data from the Family and Child Experiences Survey 2009 cohort (n = 2,842), this study examined the implications of 3- and 4-year-old's absences from Head Start for their early academic learning. The findings from this study revealed that children who missed more days of school, and especially those who were…

The longitudinal association between competitive video game play and aggression among young adults and adolescents was examined. Young adults (N = 1,132; M[subscript age] = 19 years) were surveyed annually over 4 years about their video game play and aggression, and data from a 4-year longitudinal study of adolescents (N = 1,492; M[subscript…

The evidence to date on the federal child-care subsidy program's effect on preschool child-care quality is mixed. However, an as-yet untested outcome of subsidy receipt is subsequent child-care choice. Specifically, it is possible that subsidy receipt in toddlerhood increases the likelihood of attending other publicly funded preschool…

The Neurobehavioral Assessment of the Preterm Infant instrument was developed by means of pilot, exploratory, and validation studies. The validation study tested the generalizability of results for different cohorts, test versions, hospitals, and examiners. Seven stable functions were identified: motor development; scarf sign; popliteal angle;…

Developmental trajectories of personal and collective self-concept were examined among American Indian adolescents. Personal self-concept (self-esteem) and collective self-concept (American Indian identity, Euro-American identity, community-mindedness) were assessed 6 times over 3 years in 4 cohorts of adolescents from 3 American Indian cultural…

Used new administration procedure of Self Description Questionnaire to assess dimensions of young children's self-concept in a multicohort-multioccasion study. Found that the scale's reliability and stability improved with age and from one year to the next. Gender differences were stable over age. Time 1 teacher ratings contributed to the…