Biomedical subjects

E M Hetherington

Publications and source records attributed to E M Hetherington.

At least 37 records · Page 2Linked to original sources

PubMed1996

Sibling differences in problem behavior and parental treatment in nondivorced and remarried families.

This article examines within-family differences in parenting and problem behavior in nondivorced and remarried families, with a specific focus on whether sibling differences are magnified and whether the links between differential treatment and sibling adjustment are stronger in remarried families. Multimethod assessments of parenting and problem behavior were done on 516 families with 2 same-sex adolescent siblings. The remarried families included those in which one or neither sibling was the mother's stepchild and one or both siblings were the father's stepchildren. Within-family differences in parenting and problem behavior were greatest in remarried families where siblings did not share the same biological parent. Differential treatment was also more strongly related to problem behavior in this family context, with the mother's biological child and father's stepchild at greater risk. Results are discussed in terms of the differing experiences of biological children and stepchildren in remarried households.

Adolescent↗

PubMed1995

Genetic questions for environmental studies. Differential parenting and psychopathology in adolescence.

BACKGROUND: Recent genetic evidence suggests that the most important environmental influences on normal and pathologic development are those that are not shared by siblings in the same family. We sought to determine the relationship between differences in parenting styles and depressive symptoms and antisocial behavior in adolescence, and to compare the influence of these nonshared experiences with genetic influences. METHODS: We studied 708 families with at least two same-sexed adolescent siblings who were monozygotic twins (93 families), dizygotic twins (99 families), ordinary siblings (95 families), full siblings in step families (181 families), half siblings in step families (110 families), and genetically unrelated siblings in step families (130 families). Data on parenting style were collected by questionnaire and by video recording of interaction between parents and children. RESULTS: Almost 60% of variance in adolescent antisocial behavior and 37% of variance in depressive symptoms could be accounted for by conflictual and negative parental behavior directed specifically at the adolescent. In contrast, when a parent directed harsh, aggressive, explosive, and inconsistent parenting toward the sibling, we found less psychopathologic outcome in the adolescent. CONCLUSIONS: Parenting behavior directed specifically at each child in the family is a major correlate of symptoms in adolescents. Furthermore, harsh parental behavior directed at a sibling may have protective effects for adolescents, a phenomenon we call the "siblin barricade."

Adolescent↗

PubMed1995

Parent ratings of EAS temperaments in twins, full siblings, half siblings, and step siblings.

A twin/family design was used to explore genetic contributions to personality; to evaluate whether twins and nontwins yield different genetic results; and to test for the presence of contrast effects, the tendency of a rater to contrast one sibling with the other, thereby magnifying existing behavioral differences. The sample consisted of 708 adolescent same-sex sibling pairs from 10 to 18 years of age. Pairs included identical (monozygotic; MZ) and fraternal (dizygotic; DZ) twins, and full siblings in nondivorced families; and full, half, and unrelated siblings in stepfamilies. Mothers and fathers rated the temperament of their children on the EAS Temperament Survey (A. H. Buss & R. Plomin, 1984). Model-fitting analyses revealed significant genetic influences on each of the four EAS dimensions; however, for some dimensions, heritability estimates were significantly greater for twins than for nontwins. Overall, the data were best described by a sibling interaction model, which indicated significant contrast effects.

Adolescent↗

PubMed1995

A twin-sibling study of observed parent-adolescent interactions.

Numerous behavioral genetic studies call attention to the strong and pervasive genetic influence on developmental characteristics. However, this research has been criticized for its use of poor environmental measures and a failure to examine the complex processes that are a hallmark of research in child development. This study addresses this criticism by examining the genetic and environmental components of parent-child interactions. Mother, father, and 2 adolescent siblings (10-18 years) from each of 675 families were observed interacting in 10-min dyadic problem-solving sessions. 6 groups of siblings that differed in genetic relatedness were examined (MZ and DZ twins, full siblings in nondivorced families; full, half, and unrelated siblings in stepfamilies). Results suggest a greater genetic component to adolescent behavior than to parent behavior. Both adolescent and parent behavior showed strong effects of nonshared environment, even after error of measurement was removed.

Adolescent↗

PubMed1994

Genetic and environmental influences on perceptions of self-worth and competence in adolescence: a study of twins, full siblings, and step-siblings.

Although it is generally assumed that the origins of adolescents' perceptions of self-competence lie in shared family environmental influences, the contributions of nonshared environmental or genetic influences have not been explored. We investigated sibling resemblance for perceived competence and self-worth in 720 adolescent pairs aged 10 to 18 years, using a twin, full sibling, and step-sibling design. Our goals were to assess the magnitude of shared and nonshared environmental influences and to disentangle resemblance due to shared genetic heritage from that due to shared environmental experiences. Shared environment was not significant for any of the scales. 4 of the subscales showed significant genetic influence: scholastic, social, physical, and athletic competence. We also explored possible sources of genetic influences on perceived competence. Bivariate models revealed common genetic variance between scholastic competence and vocabulary and social competence and sociability. These measures, however, did not account for all of the genetic variance in perceived social and scholastic competence.

Achievement↗

PubMed1993

Genetic and environmental influences on depressive symptomatology in adolescence: individual differences and extreme scores.

The purpose of the current investigation was to compare the genetic and environmental influences on individual differences in depressive symptomatology (as assessed using the Children's Depression Inventory) to such influences on extreme scores in an unselected sample of adolescents. The sample included 707 pairs of siblings (average ages 14.5 and 12.9 years, respectively) participating in a combined twin- and step-family study. Moderate genetic influence was found for the full range of individual differences in depression; in contrast, there was nonsignificant genetic influence, and significant shared environmental influence, on extreme scores. The results were interpreted using a risk model in which familial influences specific to the high end of the distribution contribute to depressive symptomatology in adolescence.

Adolescent↗

PubMed1992

Children's relationships with maternal grandparents: a longitudinal study of family structure and pubertal status effects.

This longitudinal study assessed the effects of parents' marital transitions and pubertal development on grandparent-grandchild relationships. 9- to 13-year-old children, their mothers, and maternal grandparents from 186 Caucasian, middle-class families including 73 intact families, 64 mother-custody, single-parent families and 49 stepfamilies completed questionnaires focusing on the degree of children's "relationship involvement" (perceived closeness and frequency of contact) with maternal grandparents at 2 time periods 13 months apart. Children also completed questionnaires 9 months later during a third interview. Grandparents, and especially grandfathers, were more involved with grandchildren from single-parent families (supporting the "latent function" hypothesis). The pubertal status results supported the "emotional distancing" hypothesis for grandfather-granddaughter relationships (higher pubertal status, less involvement) and the "stress buffer" hypothesis for grandsons' relationships with both grandparents (greater change in physical development, more involvement and greater perceived closeness).

Aged↗

PubMed1991

Genetics and psychiatry: an unheralded window on the environment.

Two recent reviews in the American Journal of Psychiatry and the British Journal of Psychiatry reported on progress in understanding the genetics of psychiatric disorder. Both reviews focused on this progress as a prelude to psychiatric diagnostics and therapeutics based on molecular biology. Neither review recognized that the latest data in behavioral genetics support environmental causes for abnormal development and psychopathology as much as they support genetic causes. Moreover, these genetic data point clearly to a type of environmental cause with central importance: the environment that is specific or unique to each sibling in a family.

Adolescent↗

PubMed1989

Marital transitions. A child's perspective.

Despite a recent leveling off of the divorce rate, almost half of the children born in the last decade will experience the divorce of their parents, and most of these children will also experience the remarriage of their parents. Most children initially experience their parents' marital rearrangements as stressful; however, children's responses to their parents marital transitions are diverse. Whereas some exhibit remarkable resiliency and in the long term may actually be enhanced by coping with these transitions, others suffer sustained developmental delays or disruptions. Others appear to adapt well in the early stages of family reorganizations but show delayed effects that emerge at a later time, especially in adolescence. The long-term effects are related more to the child's developmental status, sex, and temperament; the qualities of the home and parenting environments; and to the resources and support systems available to the parents and child than they are to divorce or remarriage per se. In recent years, researchers have begun to move away from the view that single-parent and remarried families are atypical or pathogenic families and are focusing on the diversity of children's responses and to the factors that facilitate or disrupt the development and adjustment of children experiencing their parents' marital transitions.

Adaptation, Psychological↗

PubMed1989

Coping with family transitions: winners, losers, and survivors.

This article presents the results of a longitudinal study of the effects of divorce and remarriage on children's adjustment. It was found that individual characteristics, such as children's temperament, family relations, and extrafamilial factors, played an important role in exacerbating or buffering children from negative consequences associated with their parents' marital transitions. Although boys in divorced families and children in remarried families showed more problems in adjustment than did children in nondivorced families, some also showed remarkable resiliency in the face of multiple life stressors.

Adaptation, Psychological↗

PubMed1985