Studies have identified concurrent, longitudinal, and bidirectional associations between language difficulties and internalizing problems. This is commonly explained by social exclusion or withdrawal from peers, but underlying mechanisms are not well understood. This study uses sibling data to investigate if the comorbidity between language…

Maternal smoking during pregnancy (SDP) has been linked to poorer offspring executive function across development, but SDP does not occur independent of other familial risk factors. As such, poor and inconsistent control for potential confounds, notably shared familial (i.e., genetic and environmental) confounds, preclude concluding causal effects…

Research suggests that sibling--peer connections are important for understanding adolescent problem behaviors. Using a novel behavioral genetic design, the current study investigated peer network overlap in 300 child--child pairs (aged 7-13 years) in 5 dyad types: monozygotic (MZ), dizygotic twins, full siblings (FSs), friend pairs, and virtual…

Objective: We used multi-level modelling of sibling-pair data to disentangle the influence of proband-specific and more general family influences on maternal expressed emotion (MEE) toward children and adolescents with attention-deficit/hyperactivity disorder (ADHD). Method: MEE was measured using the Five Minute Speech Sample (FMSS) for 60…

The study presents a quasi-experimental analysis of data on 9,194 offspring (ages 4-11 years old) of women from a nationally representative U.S. sample of households to test the causal hypotheses about the association between family income and childhood conduct problems (CPs). Comparison of unrelated individuals in the sample indicated a robust…

The goal of this paper was to further our understanding of adolescents' adjustment by studying multiple components of siblings' unique family environments using the difference score methodology. Self-report data about marital conflict, parent-child hostility and adolescents' adjustment were obtained from 114 sibling pairs (mean ages = 14 and 16…

Objective: Studies utilizing parent-report measures have identified above average levels of internalizing and externalizing problems in siblings of children diagnosed with ADHD. Scant research has examined siblings' self-report on standardized measures of emotional functioning. The current study examined parent-reported and child self-reported…

This study investigated sibling interaction patterns in middle childhood as predictors of adjustment outcomes in males during adolescence and early adulthood using a social interactional perspective. It was theorized that negative interaction during middle childhood with siblings and parents would be the most powerful predictor of adjustment in…

Studied 82 maltreating and normative families to determine whether reported maltreated children and their siblings differ in terms of maltreatment and/or developmental anomalies. Findings indicated reported abused children and their siblings were similar in stressful life experiences, quality of home environment, reported behavior problems, and…

Younger siblings of adolescents with histories of antisocial behavior are at high risk for developing conduct problems. Information about risk exposure in youths at familial risk for conduct problems is critical to the design of informed preventive interventions. The prevalence of well-validated risk factors for conduct problems was examined in a…

A study compared the global self-concept, academic self-perception, social competence, and behavioral problems of 19 children (ages 8-13) with learning disabilities with their siblings. Although, children with learning disabilities did not differ in global self-concept and academic self-perception, parents rated them as less socially competent and…

This study compared the development of 38 infants from separated or divorced families with that of 38 infants from married families in Britain to determine whether parental divorce or separation precipitates cognitive, social, or emotional difficulties in infants. Infants were 11 to 45 months old. Infant-mother attachment was measured using the…