This study used latent transition analysis to examine the stability and change in perceived threats in youth's primary social contexts--neighborhoods, schools, and families--and associations with emotional and behavioral problems when youth transitioned from childhood to adolescence. The sample included 8208 racially and ethnically diverse youth…

We investigated whether child temperament (negative emotionality, 5 months) moderated the association between maternal stimulation (5 months--2½ years) and academic readiness and achievement (vocabulary, mathematics, and reading). We applied structural equation modeling to the data from the Quebec Longitudinal Study of Child Development (N =…

To examine whether need for approval (NFA) and antisocial behavior (ASB) moderate the effects of socioemotional stimuli on cognitive control, 88 girls (M[subscript age] = 16.31 years; SD = 0.84; 65.9% White) completed a socioemotional Go/No-go and questionnaires. At high approach NFA, girls responded more slowly during appetitive than control (b =…

This study examined whether childhood interparental conflict moderated the mediational pathway involving adolescent exposure to interparental conflict, their negative emotional reactivity to family conflict, and their psychological problems in a sample of 235 children (M[subscript age] = 6 years). Significant moderated-mediation findings indicated…

Experiences in gender-sexuality alliances (GSAs) could predict youth's academic engagement through improved social-emotional wellbeing (indicated by school belonging, hope, and positive and negative affect). This study utilized three waves of data, each spaced 2-3 months apart, among 627 youth (87% LGBQ+, 45% trans/nonbinary, 48% youth of color)…

Prosocial behavior is versatile, multifaceted, and complex. This special section seeks to advance coherent, integrative understanding of prosocial development by addressing this topic through the prism of motivations. This conceptual Introduction presents key ideas that provide a framework for thinking about motivation for prosocial behavior and…

Fifteen-year-old adolescents (N = 109) in a longitudinal study of child development were recruited to examine differences in DNA methylation in relation to parent reports of adversity during the adolescents' infancy and preschool periods. Microarray technology applied to 28,000 cytosine-guanine dinucleotide sites within DNA derived from buccal…

This study examined the biological processes associated with foster mother-infant bonding. In an examination of foster mother-infant dyads ("N" = 41, mean infant age = 8.5 months), foster mothers' oxytocin production was associated with their expressions of behavioral delight toward their foster infant and their average P3 response to…

This study tested whether the mediational pathway involving interparental conflict, adolescent emotional insecurity, and their psychological problems was altered by their earlier childhood histories of insecurity. Participants included 230 families, with the first of the five measurement occasions occurring when children were in first grade…

This study examined reciprocal contributions between shyness-sensitivity and social, school, and psychological adjustment in urban Chinese children. Longitudinal data were collected once a year from Grade 3 to Grade 6 (ages 9-12 years) for 1,171 children from multiple sources. Shyness-sensitivity positively contributed to social, school, and…

Beginning in sixth grade at an average age of 11.9 years, 416 adolescents and their parents participated in 4 waves of data collection involving family observations and multiple-reporter assessments. Ecological theory and the process-person-context-time (PPCT) model guided the hypotheses and analyses. Lagged, growth curve models revealed that…

"Interpersonal" rejection and "intergroup" exclusion in childhood reflect different, but complementary, aspects of child development. Interpersonal rejection focuses on individual differences in personality traits, such as wariness and being fearful, to explain bully-victim relationships. In contrast, intergroup exclusion focuses on how in-group…

Ninety-six Colombian children (mean age = 7.7 years) and adolescents (mean age = 14.6 years) made judgments about stealing and physical harm in the abstract and in the context of survival and revenge. All participants judged it wrong to steal or hurt others because of considerations with justice and welfare, and most also judged it wrong to engage…

The enduring impact of exposure to the 911 terrorist attacks on mental health and sociopolitical attitudes was examined in a sample of 427 adolescents (M = 16.20 years) and their mothers residing in New York City. Direct exposure to the terrorist attack was associated with youth depression symptoms and with mothers' posttraumatic stress disorder…

This research examined children's interdependent self-construals as manifest in their seeing their relationships with their parents as self-defining. Four times over early adolescence, 825 children (mean age = 12.73 years) in the United States and China reported on their inclusion of their relationships with their parents in their self-construals…