Behavioral Genetics of the Externalizing Spectrum

Dhamija, Devika; Tuvblad, Catherine; Baker, Laura A.

doi:10.1093/oxfordhb/9780199324675.013.25

The Oxford Handbook of Externalizing Spectrum Disorders 2015

DOI: 10.1093/oxfordhb/9780199324675.013.25

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Behavioral Genetics of the Externalizing Spectrum

Devika Dhamija

Catherine Tuvblad

Laura A. Baker

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2016

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Elucidating the validity of the externalizing spectrum of psychopathology in correctional, forensic, and community samples.

Sellbom¹

2016

Journal of Abnormal Psychology

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Krueger and colleagues (2007) have elaborated on a hierarchical structural model of externalizing psychopathology, with a general overarching factor and 2 residual liability factors reflecting callous-aggression and substance misuse. The current study used an independent set of symptom and behavior indicators (items derived from the Minnesota Multiphasic Personality Inventory-2-Restructured Form) to test alternative models of externalizing. In mixed-sex samples of correctional inmates (n = 42,290), forensic criminal defendants (n = 1,065), and community participants (n = 2,214), a bifactor model based on Krueger, Markon, Patrick, Benning, and Kramer (2007) was associated with better model fit relative to a 1-factor model, 2-factor model, and a bifactor model with 2 random bifactors. Moreover, the Krueger et al. model was largely invariant across sex, race, and time. Finally, external validity analyses from the forensic sample revealed that the latent factors were associated with a range of forensically relevant outcomes. More specifically, those high on general externalizing were less likely to be deemed mentally ill, incompetent, or insane in court-ordered evaluations. Those high on the callous-aggression bifactor were more likely to have violent crime convictions. Those high on the residual substance misuse factor were more likely to be recommended for drug intervention in-lieu of conviction and be clinically diagnosed with drug dependence. In conclusion, the externalizing spectrum appears robust regardless of settings and indicators examined, and its domains are associated with theoretically expected outcomes. (PsycINFO Database Record

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Elucidating the validity of the externalizing spectrum of psychopathology in correctional, forensic, and community samples.

Sellbom¹

2016

Journal of Abnormal Psychology

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show abstract

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Behavioral Genetics of the Externalizing Spectrum

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Elucidating the validity of the externalizing spectrum of psychopathology in correctional, forensic, and community samples.

Elucidating the validity of the externalizing spectrum of psychopathology in correctional, forensic, and community samples.

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