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1.
Behav Genet ; 48(3): 209-223, 2018 05.
Article in English | MEDLINE | ID: mdl-29569187

ABSTRACT

Marriages consist of shared experiences and interactions between husbands and wives that may lead to different impressions of the quality of the relationship. Few studies, unfortunately, have tested gender differences in the structure of marital quality, and even fewer studies have evaluated whether genetic and environmental influences on marital quality differ across gender. In this study, we evaluated gender differences in the structure of marital quality using independent samples of married male (n = 2406) and married female (n = 2215) participants from the National Survey of Midlife Development in the United States who provided ratings on twenty-eight marital quality items encompassing six marital quality constructs. We further explored gender differences in genetic and environmental influences on marital quality constructs in a subsample of 491 pairs of twins. Results suggest partial metric invariance across gender but structural variability in marital quality constructs. Notably, correlations between constructs were stronger in women than men. Results also support gender differences in the genetic and environmental influences on different aspects of marital quality. We discuss that men and women may approach and react to marriage differently as the primary reason why we observed differences in the structure of marital quality.


Subject(s)
Marriage , Sex Characteristics , Demography , Female , Humans , Male , Middle Aged , Models, Theoretical , Multivariate Analysis , Sex Factors , United States
2.
Fam Process ; 57(2): 324-341, 2018 06.
Article in English | MEDLINE | ID: mdl-28691198

ABSTRACT

This study aimed at moving beyond previous research on couple therapy efficacy by examining moment-by-moment proximal couple and therapist interactions as well as final treatment outcomes and their reciprocal association. Seven hundred four episodes of dyadic coping within 56 early therapy sessions, taken from 28 married couples in treatment, were intensively analyzed and processed using a mixed-methods software (T-LAB). Results showed that negative dyadic coping was self-perpetuating, and therapists tended to passively observe the negative couple interaction; on the contrary, positive dyadic coping appeared to require a therapist's intervention to be maintained, and successful interventions mainly included information gathering as well as interpreting. Couples who dropped out of treatment were not actively engaged from the outset of therapy, and they used more negative dyadic coping, whereas couples who successfully completed treatment showed more positive dyadic coping very early in therapy. Results highlight the role of therapist action and control as critical to establishing rapport and credibility in couple therapy and suggest that dyadic coping patterns early in therapy may contribute to variable treatment response.


Subject(s)
Adaptation, Psychological , Couples Therapy/methods , Family Characteristics , Stress, Psychological/therapy , Female , Humans , Interpersonal Relations , Male , Middle Aged , Stress, Psychological/psychology , Treatment Outcome
3.
Int J Eat Disord ; 50(2): 157-161, 2017 Feb.
Article in English | MEDLINE | ID: mdl-27636116

ABSTRACT

OBJECTIVE: Prior twin studies provide support for a single "common factor" that contributes genetic and environmental risk to a range of disordered eating symptoms. However, the common factor may be indexed less well by binge eating (BE) than other symptoms of eating disorders [i.e., body dissatisfaction (BD) and weight preoccupation (WP)]. We sought to explore the presence of a common factor and test whether loadings differed across three key symptoms (i.e., BE, BD, WP). METHOD: Disordered eating was assessed via self-report in 631 female twin pairs from the Michigan State University Twin Registry. RESULTS: We detected a common disordered eating factor that was influenced primarily by additive genetic and nonshared environmental influences. However, we observed different loadings on this common factor by symptom type, as factor loadings for BD and WP were stronger than that for BE. Moreover, the residual environmental and/or genetic variances (i.e., those that are independent of the common factor) were larger in BE than those of BD or WP. DISCUSSION: Although all three symptoms share a common set of genetic and environmental influences, risk for BE may involve additional genetic, biological, and environmental factors that are not shared with other symptoms of eating pathology. © 2016 Wiley Periodicals, Inc.(Int J Eat Disord 2017; 50:157-161).


Subject(s)
Binge-Eating Disorder/psychology , Body Dysmorphic Disorders/psychology , Body Image/psychology , Environment , Gene-Environment Interaction , Adolescent , Adult , Binge-Eating Disorder/genetics , Body Dysmorphic Disorders/genetics , Body Weight/genetics , Bulimia/genetics , Bulimia/psychology , Child , Diseases in Twins/genetics , Emotions , Female , Humans , Michigan , Registries , Self Report , Social Environment , Twins/genetics , Young Adult
4.
Behav Genet ; 46(1): 100-13, 2016 Jan.
Article in English | MEDLINE | ID: mdl-26303346

ABSTRACT

Although the Swedish Adoption Twin of Aging (SATSA) has been used to investigate phenotypic stability of late life depressive symptoms, the biometric processes underlying this stability have not been studied. Under a reciprocal effects modeling framework, we used SATSA twins' Center for Epidemiologic Studies Depression (CES-D) Scale data across 5 waves (from 1987-2007) to test whether the reciprocal exchange between twins within a family and their nonshared environments (P<=>E) promote the accumulation of gene-environment correlation (rGE) over time. The model generates increasing rGE that produces subsequent stable environmental differences between twins within a family-a process hypothesized to explain stability in chronic late life depressive symptoms. Widowhood is included as a stressful life experience that may introduce an additional nonshared source of variability in CES-D scores. Genetic effects and nonshared environmental effects are primary sources of stability of late life depressive symptoms without evidence of underlying rGE processes. Additionally, widowhood explained stable differences in CES-D scores between twins within a family up to 3 years after spousal loss.


Subject(s)
Depression/psychology , Widowhood/psychology , Aged , Aged, 80 and over , Aging/genetics , Aging/psychology , Depression/genetics , Depressive Disorder , Female , Gene-Environment Interaction , Humans , Life Change Events , Longitudinal Studies , Male , Middle Aged , Social Environment , Surveys and Questionnaires , Sweden , Twins/genetics
5.
Fam Process ; 53(3): 500-15, 2014 Sep.
Article in English | MEDLINE | ID: mdl-24785796

ABSTRACT

Many legal issues involve conflicts that are at least as much psychological and relational as they are legal in nature. Juvenile and family courts have always embraced a helping philosophy under the parens patriae legal doctrine. These courts address problems where family relationships are central, for example, custody and coparenting disputes, divorce, child abuse and neglect, foster care, intimate partner violence, and juvenile delinquency. Family therapists are playing a growing role in all of these matters. In this article, we use child custody disputes as a more in-depth example for exploring new, potential roles for family therapists, particularly as mediators and parenting coordinators. To show the breadth of the role for family therapists, we also more briefly consider the topics of child abuse and neglect, foster care, juvenile delinquency, and drug and alcohol issues.


Subject(s)
Child Custody/legislation & jurisprudence , Divorce , Family Conflict/legislation & jurisprudence , Family Therapy/legislation & jurisprudence , Parenting , Professional Role , Psychotherapy/legislation & jurisprudence , Child , Child Abuse/legislation & jurisprudence , Cooperative Behavior , Foster Home Care , Humans , Negotiating
6.
Am Psychol ; 79(1): 152, 2024 Jan.
Article in English | MEDLINE | ID: mdl-37930647

ABSTRACT

This article memorializes E. Mavis Hetherington (1926-2023), an eminent developmental psychologist who made major contributions to understanding of children's development. Best known for her longitudinal studies on the impact of divorce on children and families, Hetherington published and lectured widely. Her interests spanned personality and social development, child psychopathology, stress and coping in families, and related topics. (PsycInfo Database Record (c) 2024 APA, all rights reserved).


Subject(s)
Divorce , Personality , Humans , Child , Female , Longitudinal Studies , Coping Skills , Personality Disorders
7.
Twin Res Hum Genet ; 15(6): 700-13, 2012 Dec.
Article in English | MEDLINE | ID: mdl-22958575

ABSTRACT

BACKGROUND: Previous studies have found that child attention-deficit/hyperactivity disorder (ADHD) is associated with more parental marital problems. However, the reasons for this association are unclear. The association might be due to genetic or environmental confounds that contribute to both marital problems and ADHD. METHOD: Data were drawn from the Australian Twin Registry, including 1,296 individual twins, their spouses, and offspring. We studied adult twins who were discordant for offspring ADHD.Using a discordant twin pairs design, we examined the extent to which genetic and environmental confounds,as well as measured parental and offspring characteristics, explain the ADHD-marital problems association. RESULTS: Offspring ADHD predicted parental divorce and marital conflict. The associations were also robust when comparing differentially exposed identical twins to control for unmeasured genetic and environmental factors, when controlling for measured maternal and paternal psychopathology,when restricting the sample based on timing of parental divorce and ADHD onset, and when controlling for other forms of offspring psychopathology. Each of these controls rules out alternative explanations for the association. CONCLUSION: The results of the current study converge with those of prior research in suggesting that factors directly associated with offspring ADHD increase parental marital problems.


Subject(s)
Attention Deficit Disorder with Hyperactivity/genetics , Attention Deficit Disorder with Hyperactivity/psychology , Divorce , Gene-Environment Interaction , Adult , Aged , Attention Deficit Disorder with Hyperactivity/physiopathology , Australia , Female , Follow-Up Studies , Humans , Male , Middle Aged , Retrospective Studies
8.
Child Dev ; 80(5): 1463-80, 2009.
Article in English | MEDLINE | ID: mdl-19765012

ABSTRACT

Children raised without a biological father in the household have earlier average ages of first sexual intercourse than children raised in father-present households. Competing theoretical perspectives have attributed this either to effects of father absence on socialization and physical maturation or to nonrandom selection of children predisposed for early sexual intercourse into father-absent households. Genetically informative analyses of the children of sister dyads (N = 1,382, aged 14-21 years) support the selection hypothesis: This association seems attributable to confounded risks, most likely genetic in origin, which correlated both with likelihood of father absence and early sexual behavior. This holds implications for environmental theories of maturation and suggests that previous research may have inadvertently overestimated the role of family structure in reproductive maturation.


Subject(s)
Adolescent Behavior , Coitus , Father-Child Relations , Sexual Behavior , Adolescent , Age Factors , Female , Humans , Longitudinal Studies , Male , Single-Parent Family , Young Adult
9.
Arch Gen Psychiatry ; 64(7): 820-9, 2007 Jul.
Article in English | MEDLINE | ID: mdl-17606816

ABSTRACT

CONTEXT: The familial nature of childhood conduct problems has been well documented, but few genetically informed studies have explicitly explored the processes through which parental conduct problems influence an offspring's behavior problems. OBJECTIVE: To delineate the genetic and environmental processes underlying the intergenerational transmission of childhood conduct problems. DESIGN: We used hierarchical linear models to analyze data from a Children of Twins Study, a quasiexperimental design, to explore the extent to which genetic factors common to both generations, unmeasured environmental factors that are shared by twins, or measured characteristics of both parents confound the intergenerational association. SETTING: Participants were recruited from the community and completed a semistructured diagnostic telephone interview. PARTICIPANTS: The research used a high-risk sample of twins, their spouses, and their young adult offspring (n = 2554) from 889 twin families in the Australian Twin Registry, but the analyses used sample weights to produce parameter estimates for the community-based volunteer sample of twins. Main Outcome Measure Number of conduct disorder symptoms. RESULTS: The magnitude of the intergenerational transmission was significant for all offspring, though it was stronger for males (effect size [Cohen d] = 0.21; 95% confidence interval, 0.15-0.17) than females (d = 0.09; 95% confidence interval, 0.05-0.14). The use of the Children of Twins design and measured covariates indicated that the intergenerational transmission of conduct problems for male offspring was largely mediated by environmental variables specifically related to parental conduct disorder (d = 0.13; 95% confidence interval, 0.02-0.23). In contrast, the intergenerational transmission of conduct problems was not because of environmentally mediated causal processes for female offspring (d = - 0.09; 95% confidence interval, - 0.20 to 0.03); a common genetic liability accounted for the intergenerational relations. CONCLUSIONS: The mechanisms underlying the intergenerational transmission of conduct problems depend on the sex of the offspring. The results are consistent with an environmentally mediated causal role of parental conduct problems on behavior problems in males. Common genetic risk, however, confounds the entire intergenerational transmission in female offspring.


Subject(s)
Child of Impaired Parents/statistics & numerical data , Conduct Disorder/genetics , Diseases in Twins/genetics , Family Characteristics , Adult , Australia , Child , Family Relations , Female , Genetic Predisposition to Disease , Humans , Linear Models , Male , Mental Disorders/epidemiology , Mental Disorders/genetics , Models, Genetic , Parents/psychology , Registries , Research Design , Risk Factors , Sex Factors , Social Environment
10.
J Abnorm Psychol ; 117(3): 534-51, 2008 Aug.
Article in English | MEDLINE | ID: mdl-18729607

ABSTRACT

The children-of-twins design was used to isolate a potentially causal environmental impact of having an alcoholic parent on offspring alcohol use disorder, by an examination of whether the children of alcoholics were at a higher risk for alcohol use disorders than were the children of nonalcoholic parents, even after correlated familial factors were controlled. Participants were 1,224 male and female twins from 836 twin pairs selected from the Australian Twin Registry, 2,334 of the twins' 18-39-year-old offspring, and 983 spouses of the twins. Lifetime histories of Diagnostic and Statistical Manual of Mental Disorders (4th ed.) alcohol use disorders were obtained by structured, psychiatric, telephone interviews conducted individually with each of the family members. Comparisons of the offspring of twins who were discordant for alcoholism indicated that there was no longer a statistically significant difference between the children of alcoholics and the children of nonalcoholics after genetic and family environmental factors correlated with having an alcoholic parent were controlled. The results of this study suggest that the direct causal effect of being exposed to an alcoholic parent on offspring alcohol use disorder is modest at best.


Subject(s)
Alcoholism/epidemiology , Alcoholism/genetics , Child of Impaired Parents/statistics & numerical data , Parents , Social Environment , Adult , Alcoholism/diagnosis , Child , Diagnostic and Statistical Manual of Mental Disorders , Female , Genetic Predisposition to Disease , Humans , Male , Pedigree , Prevalence , Severity of Illness Index , Twins/genetics
11.
J Abnorm Child Psychol ; 36(1): 81-94, 2008 Jan.
Article in English | MEDLINE | ID: mdl-17665304

ABSTRACT

Affiliation with substance using peers is one of the strongest predictors of adolescent alcohol use. This association is typically interpreted causally: peers who drink incite their friends to drink. This association may be complicated by uncontrolled genetic and environmental confounds because teens with familial predispositions for adolescent substance use may be more likely to select into social networks where drinking is common. We test this alternative hypothesis using a sample of 1,820 twin and sibling pairs, and their same-sex best friends, from three waves of the National Longitudinal Study of Adolescent Health. Across all three waves, peer report of substance use did not influence adolescent alcohol use when genetic and shared environmental predispositions for drinking were considered. The association between alcohol use and peer behavior may be a spurious association attributable to a shared genetic liability to drink alcohol and associate with peers who drink alcohol.


Subject(s)
Alcohol Drinking/genetics , Peer Group , Social Facilitation , Adolescent , Adult , Alcohol Drinking/epidemiology , Alcohol Drinking/psychology , Alcoholic Intoxication/epidemiology , Alcoholic Intoxication/genetics , Alcoholic Intoxication/psychology , Female , Humans , Longitudinal Studies , Male , Mathematical Computing , Multivariate Analysis , Risk Factors , Sex Factors , Smoking/epidemiology , Smoking/psychology , Social Environment , Software , Twins, Dizygotic/genetics , Twins, Dizygotic/psychology , Twins, Monozygotic/genetics , Twins, Monozygotic/psychology , United States
12.
J Fam Psychol ; 22(1): 144-52, 2008 Feb.
Article in English | MEDLINE | ID: mdl-18266541

ABSTRACT

Divorce is an inherently interpersonal experience, yet too often adults' reactions to marital dissolution are investigated as intrapersonal experiences that unfold outside of the relational context in which they exist. This article examines systemic patterns of interpersonal influence between divorced parents who were randomly assigned to either mediate or litigate a child custody dispute in the mid-1980s. Reports of coparenting conflict and nonacceptance of the divorce were assessed 5 weeks after the dispute settlement, 13 months after the settlement, and then again 12 years later. One hundred nine (N = 109) parents provided data over this 12-year period. Fathers reported the highest initial levels of conflict when their ex-partners were more accepting of the divorce. Mediation parents reported decreases in coparenting conflict in the year after dispute settlement, whereas litigation parents reported increases in conflict. Litigation parents evidenced the greatest long-term increases and decreases in coparenting conflict. Mediation is a potent force for reducing postdivorce conflict, and this article highlights the usefulness of adopting a systemic lens for understanding the long-term correlates of marital dissolution.


Subject(s)
Child Custody , Conflict, Psychological , Dissent and Disputes , Divorce/psychology , Negotiating/psychology , Adaptation, Psychological , Adolescent , Adult , Child Custody/legislation & jurisprudence , Female , Humans , Male , Middle Aged , Models, Psychological , Parenting/psychology , Psychometrics , Virginia
13.
J Fam Psychol ; 22(4): 633-642, 2008 Aug.
Article in English | MEDLINE | ID: mdl-18729677

ABSTRACT

Parentification, a parent-child dynamic wherein children come to provide ongoing emotional support for their parents, has been documented extensively in the clinical literature; however, it rarely has been studied systematically. Using a community sample of 83 couples and their adolescent children (mean age = 15.26 years; 52% male, 48% female), the authors linked adolescent self-report of parentification to specific youth and adult behaviors using multiple methods and examined its associations with youth adjustment problems. The parentification measure demonstrated strong internal consistency and 1-year stability. Parentification was associated with marital conflict, youth perceptions of threat, low warmth in the parent-child relationship, and the tendency for youths to intervene in marital conflict. Links were also found with youth reports of internalizing and externalizing behavior and poorer competency in close friendships. These findings thus support the parentification construct and provide evidence that parentification may contribute to poor youth outcomes by burdening children with developmentally inappropriate responsibilities.


Subject(s)
Conflict, Psychological , Marriage/psychology , Parent-Child Relations , Parenting , Social Support , Adolescent , Adult , Family/psychology , Female , Follow-Up Studies , Humans , Male
14.
J Youth Adolesc ; 37(4): 373-385, 2008 Apr.
Article in English | MEDLINE | ID: mdl-21479148

ABSTRACT

The relation between timing of first sex and later delinquency was examined using a genetically informed sample of 534 same-sex twin pairs from the National Longitudinal Study of Adolescent Health, who were assessed at three time points over a 7-year interval. Genetic and environmental differences between families were found to account for the association between earlier age at first sex and increases in delinquency. After controlling for these genetic and environmental confounds using a quasi-experimental design, earlier age at first sex predicted lower levels of delinquency in early adulthood. The current study is contrasted with previous research with non-genetically informative samples, including Armour and Haynie. Results suggest a more nuanced perspective on the meaning and consequences of adolescent sexuality than is commonly put forth in the literature.

15.
J Abnorm Psychol ; 116(4): 667-83, 2007 Nov.
Article in English | MEDLINE | ID: mdl-18020715

ABSTRACT

The present study examines the relations between adolescent motherhood and children's behavior, substance use, and internalizing problems in a sample of 1,368 children of 712 female twins from Australia. Adolescent motherhood remained significantly associated with all mental health problems, even when using a quasiexperimental design capable of controlling for genetic and environmental confounds. However, the relation between adolescent motherhood and offspring behavior problems and substance use was partially confounded by family background variables that influence both generations. The results are consistent with a causal relation between adolescent motherhood and offspring mental health problems, and they highlight the usefulness of behavior genetic designs when examining putative environmental risks for the development of psychopathology. The generalizability of these results to the United States, which has a higher adolescent birth rate, is discussed.


Subject(s)
Child Behavior Disorders/epidemiology , Child Behavior Disorders/genetics , Illegitimacy/psychology , Illegitimacy/statistics & numerical data , Mental Disorders/epidemiology , Mental Disorders/genetics , Mother-Child Relations , Pregnancy in Adolescence , Twins/genetics , Adolescent , Adult , Child Behavior Disorders/psychology , Female , Humans , Mental Disorders/psychology , Middle Aged , Models, Psychological , Pregnancy , Surveys and Questionnaires
16.
Dev Psychol ; 42(3): 486-99, 2006 May.
Article in English | MEDLINE | ID: mdl-16756440

ABSTRACT

Parental divorce is associated with problematic offspring adjustment, but the relation may be due to shared genetic or environmental factors. One way to test for these confounds is to study offspring of twins discordant for divorce. The current analyses used this design to separate the mechanisms responsible for the association between parental divorce, experienced either before or after the age of 16, and offspring well-being. The results were consistent with a causal role of divorce in earlier initiation of sexual intercourse and emotional difficulties, in addition to a greater probability of educational problems, depressed mood, and suicidal ideation. In contrast, the increased risk for cohabitation and earlier initiation of drug use was explained by selection factors, including genetic confounds. ((c) 2006 APA, all rights reserved).


Subject(s)
Child Behavior Disorders/genetics , Marriage/psychology , Parent-Child Relations , Sexual Behavior , Social Adjustment , Adult , Alcoholic Intoxication/epidemiology , Child , Divorce , Educational Status , Female , Humans , Longitudinal Studies , Male , Marijuana Abuse/epidemiology , Marital Status
17.
Dev Psychol ; 42(3): 533-42, 2006 May.
Article in English | MEDLINE | ID: mdl-16756443

ABSTRACT

Girls who grow up in households with an unrelated adult male reach menarche earlier than peers, a finding hypothesized to be an evolutionary strategy for families under stress. The authors tested the alternative hypothesis that nonrandom selection into stepfathering due to shared environmental and/or genetic predispositions creates a spurious relation between stepfathering and early menarche. Using the unique controls for genetic and shared environmental experiences offered by the children-of-twins design, the authors found that cousins discordant for stepfathering did not differ in age of menarche. Moreover, controlling for mother's age of menarche eliminated differences in menarcheal age associated with stepfathering in unrelated girls. These findings strongly suggest selection, and not causation, accounts for the relationship between stepfathering and early menarche.


Subject(s)
Family , Menarche/physiology , Menarche/psychology , Mother-Child Relations , Adolescent , Adult , Age Factors , Child , Family Characteristics , Female , Humans , Interpersonal Relations , Male , Twins
18.
J Fam Psychol ; 20(2): 190-8, 2006 Jun.
Article in English | MEDLINE | ID: mdl-16756394

ABSTRACT

Conclusions about the effects of harsh parenting on children have been limited by research designs that cannot control for genetic or shared environmental confounds. The present study used a sample of children of twins and a hierarchical linear modeling statistical approach to analyze the consequences of varying levels of punishment while controlling for many confounding influences. The sample of 887 twin pairs and 2,554 children came from the Australian Twin Registry. Although corporal punishment per se did not have significant associations with negative childhood outcomes, harsher forms of physical punishment did appear to have specific and significant effects. The observed association between harsh physical punishment and negative outcomes in children survived a relatively rigorous test of its causal status, thereby increasing the authors' conviction that harsh physical punishment is a serious risk factor for children.


Subject(s)
Child Behavior Disorders , Disclosure , Parenting , Punishment , Twins/genetics , Twins/psychology , Adult , Child , Child Behavior Disorders/genetics , Child Behavior Disorders/prevention & control , Child Behavior Disorders/psychology , Female , Follow-Up Studies , Humans , Male , Social Environment , Twins, Monozygotic/genetics , Twins, Monozygotic/psychology
19.
J Fam Psychol ; 30(6): 698-707, 2016 Sep.
Article in English | MEDLINE | ID: mdl-27336180

ABSTRACT

Married adults have consistently been found to drink less than their single or divorced counterparts. This correlation may not be causal, however, as people nonrandomly "select" into marriage and into alcohol use. The current study uses a sample of 2,425 same-sex twin pairs (1,703 MZ; 722 DZ) to control for genetic and shared environmental selection, thereby eliminating a great many third variable, alternative explanations to the hypothesis that marriage causes less drinking. Married twins were compared with their single, divorced, and cohabiting cotwins on drinking frequency and quantity. Married cotwins consumed fewer alcoholic beverages than their single or divorced cotwins, and drank less frequently than their single cotwins. Alcohol use patterns did not differ among married and cohabiting twins. These findings provide strong evidence that intimate relationships cause a decline in alcohol consumption. (PsycINFO Database Record


Subject(s)
Alcohol Drinking/epidemiology , Marital Status/statistics & numerical data , Registries/statistics & numerical data , Adolescent , Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Washington/epidemiology , Young Adult
20.
J Abnorm Psychol ; 114(4): 570-86, 2005 Nov.
Article in English | MEDLINE | ID: mdl-16351381

ABSTRACT

Parental divorce is associated with a number of emotional and behavioral problems in young-adult offspring, but theoretical and empirical considerations suggest that the relation may be partially or fully accounted for by passive gene-environment correlation or environmental selection characteristics. The current study used the Children of Twins Design to explore whether shared environmental or genetic factors confound the relationship between parental marital instability and measures of psychopathology. Comparisons of the offspring of adult twins in Australia on 3 factors of abnormal behavior, including drug and alcohol, behavioral, and internalizing problems, suggest that environmental influences associated with divorce account for the higher rates of psychopathology. The results are consistent with a causal connection between marital instability and psychopathology in young-adult offspring.


Subject(s)
Adult Children/psychology , Marriage/psychology , Mental Disorders/diagnosis , Mental Disorders/genetics , Social Environment , Adult , Cohort Studies , Female , Humans , Male , Models, Psychological , Pedigree , Twins/psychology
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