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  • 1.
    Colins, Olivier
    et al.
    Department of Child and Adolescent Psychiatry, Curium-Leiden University Medical Center, Leiden, The Netherlands; Center for Criminological and Psychosocial Research. Örebro University, Örebro, Sweden.
    Veen, Violaine
    Institution of Education and Child Studies, Leiden University, Leiden, The Netherlands.
    Veenstra, Margot
    Institution of Education and Child Studies, Leiden University, Leiden, The Netherlands.
    Frogner, Louise
    Örebro University, School of Law, Psychology and Social Work.
    Andershed, Henrik
    Örebro University, School of Law, Psychology and Social Work.
    The Child Problematic Traits Inventory in a Dutch General Population Sample of 3- to 7-Year-Old Children2018In: European Journal of Psychological Assessment, ISSN 1015-5759, E-ISSN 2151-2426, Vol. 34, no 5, p. 336-343Article in journal (Refereed)
    Abstract [en]

    The Child Problematic Traits Inventory (CPTI) is a new teacher rated instrument to assess psychopathic personality traits in children. This is the first study to test the psychometric properties of the Dutch CPTI. Teachers completed the CPTI for 287 3- to 7-year old-children. Results from confirmatory factor analysis supported the proposed 3-factor structure of the CPTI. The CPTI total score and three factor scores were internally consistent and showed the expected correlations with external criterion measures that have been linked to psychopathic personality, including conduct problems, proactive and reactive aggression, and temperament. This study also provides novel evidence that CPTI factor scores were positively related to an alternative measure of callous-unemotional traits, thereby supporting the criterion validity of the CPTI scores. In conclusion, this study replicates and extends prior tests of the CPTI in Sweden and suggests that the Dutch version of the CPTI holds promise as a teacher rated tool for assessing psychopathic traits in childhood.

  • 2.
    Lopez-Romero, Laura
    et al.
    Department of Clinical Psychology and Psychobiology, Universidade de Santiago de Compostela, Facultad de Psicologiá, Campus Sur, Santiago de Compostela, Spain; Center for Criminological and Psychosocial Research, Örebro University, Örebro, Sweden.
    Molinuevo, Beatriz
    Department of Psychiatry and Forensic Medicine, Institute of Neurosciences, Universitat Autònoma de Barcelona, Spain.
    Bonillo, Albert
    Department of Psychobiology and Methodology of Health Sciences, Universitat Autònoma de Barcelona, Spain.
    Andershed, Henrik
    Örebro University, School of Law, Psychology and Social Work. Center for Criminological and Psychosocial Research.
    Colins, Olivier F.
    Center for Criminological and Psychosocial Research, Örebro University, Sweden; Department of Child and Adolescent Psychiatry, Curium-Leiden University Medical Center, Leiden, Netherlands.
    Torrubia, Rafael
    Department of Psychiatry and Forensic Medicine, Institute of Neurosciences, Universitat Autònoma de Barcelona, Spain.
    Romero, Estrella
    Department of Clinical Psychology and Psychobiology, Universidade de Santiago de Compostela, Facultad de Psicologiá, Campus Sur, Santiago de Compostela, Spain.
    Psychometric Properties of the Spanish Version of the Child Problematic Traits Inventory in 3-to 12-Year-Old Spanish Children2019In: European Journal of Psychological Assessment, ISSN 1015-5759, E-ISSN 2151-2426, Vol. 35, no 6, p. 842-854Article in journal (Refereed)
    Abstract [en]

    The aim of this study was to test the reliability and validity of the Spanish teacher-rated Child Problematic Traits Inventory (CPTI) in two community samples of 3- to 12-year-old children. Confirmatory Factor Analysis (CFA) supported the three-factor structure of the CPTI (Grandiose-Deceitful: GD; Callous-Unemotional: CU; Impulsive-Need for Stimulation: INS), being invariant across gender and age groups. The CPTI total and factor scores showed excellent internal consistencies (> .90) in the total group, and across gender and age groups. In support of their criterion validity, the CPTI scores were positively related to psychopathy scores as measured by an alternative teacher-rated measure. In support of their convergent validity, the CPTI scores showed the expected relations to variables that have been linked to psychopathic personality, including fearlessness, conduct problems, aggression, and low prosocial behavior. Overall, these findings suggest that the Spanish teacher-rated version of the CPTI has good psychometric properties and seems to be a promising tool for studying psychopathic traits in children.

  • 3.
    van Baardewijk, Yoast
    et al.
    Med Ctr, Curium Leiden Univ, Oegstgeest, Netherlands; PI Res, Duivendrecht, Netherlands.
    Andershed, Henrik
    Örebro University, School of Law, Psychology and Social Work.
    Stegge, Hedy
    PI Res, Duivendrecht, Netherlands; Dept Dev Psychol, Vrije Univ Amsterdam, Amsterdam, Netherlands.
    Nilsson, Kent W.
    Clin Res Ctr, Uppsala Univ, Uppsala, Sweden.
    Scholte, Evert
    Dept Clin Child & Adolescent Studies, Leiden Univ, Leiden, Netherlands.
    Vermeiren, Robert
    Med Ctr, Curium Leiden Univ, Oegstgeest, Netherlands; Med Ctr, Vrije Univ Amsterdam, Amsterdam, Netherlands.
    Development and tests of short versions of the youth psychopathic traits inventory and the youth psychopathic traits inventory-child version2010In: European Journal of Psychological Assessment, ISSN 1015-5759, E-ISSN 2151-2426, Vol. 26, no 2, p. 122-128Article in journal (Refereed)
    Abstract [en]

    The adolescent Youth Psychopathic Traits Inventory (YPI) and its child version (YPI-CV) are sound but lengthy instruments for measuring psychopathic traits in youths. The current study develops psychometrically strong short versions of these instruments. Samples used for item reduction were community samples of adolescents (n = 2105, age 16-19, 49% boys) and children (n = 360, age 9-12, 52% boys). Stepwise parallel reduction using principal components analyses and content-related arguments resulted in two highly similar short instruments of 18 items each. In both versions, near identical and theoretically comprehensible three factor structures were demonstrated, which were crossvalidated in independent samples (CFI = .97 and .97; RMSEA = .044 and .038, respectively). Results were similar for boys and girls. The short instruments were reliable (Cronbach's alpha s of .85 and .83) and covered all core characteristics of the psychopathic personality construct. The short versions showed a high convergence with the original long instruments (r =.95 and .93, respectively) and similar correlations to external criterion measures of conduct problems. Therefore, the abbreviated versions are practical and valid alternatives for the original YPIs when administration time is limited.

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