Associations between grandparental investment and child outcomes were investigated using three waves of a longitudinal British Millennium Cohort Study that included children between the ages of 9 months and 5 years (n = 24,614 person-observations from 13,744 children). Grandparental investment was measured by parent--grandparent contact frequency…

The long-term import of a fundamental challenge of adolescent social development--establishing oneself as a desirable peer companion while avoiding problematic behaviors often supported within peer groups--was examined in a community sample of 184 adolescents, followed from ages 13 to 23, along with parents, peers, and romantic partners. The…

This study examined whether children’s difficulties with stage-salient tasks served as an explanatory mechanism in the pathway between their insecurity in the interparental relationship and their disruptive behavior problems. Using a multimethod, multi-informant design, 201 two-year-old children and their mothers participated in 3 annual…

Few studies have examined whether familiarity of partner affects social responses in children with autism. This study investigated heart rate regulation (respiratory sinus arrhythmia [RSA]: The myelinated vagus nerve's regulation of heart rate) and temporal-parietal electroencephalogram (EEG) activity while nineteen 8- to 12-year-old children with…

Parental supportiveness and protective overcontrol and preschoolers' parasympathetic regulation were examined as predictors of temperamental inhibition, social wariness, and internalizing problems. Lower baseline vagal tone and weaker vagal suppression were expected to mark poorer dispositional self-regulatory capacity, leaving children more…

Examined individual differences in friendship characteristics and their cross-sectional and longitudinal interrelations with adolescent problems. Assessed four salient friendship characteristics: reciprocity of relations, overt hostility, covert hostility, and self-disclosure. Suggests that adolescent problem behaviors have a more potent…

Related children's experience in after-school programs to first grade performance. Found that staff positivity was associated with fewer boys' behavior problems, whereas staff negativity was related to boys' poorer reading/math grades. Program flexibility was associated with better boys' social skills. More frequent negative peer interactions in…