Identifiziert das Youth Psychopathic Traits Inventory (YPI) eine klinisch bedeutsame Untergruppe junger Straftäter?
Abstract
Zusammenfassung.Fragestellungen: Können unter jungen Straftätern mit dem Youth Psychopathic Traits Inventory eine oder mehrere Risikogruppen identifiziert werden? Welche Handlungsempfehlungen können für die intramurale Behandlung abgeleitet werden? Methodik: An einer Stichprobe inhaftierter junger Straftäter (N = 445, Alter: 14–22 Jahre, M = 18.5, SD = 1.65) wurde eine Modellbasierte Clusteranalyse (Raftery, 1995) durchgeführt. Das resultierende Modell wurde anschließend in relevanten Kontextvariablen aus den Bereichen Intelligenz, soziale Kompetenz, Drogenkonsumverhalten und antisoziales Verhalten auf Unterschiede zwischen Clustern untersucht. Ergebnisse: Es wurden drei Cluster (Low-Trait, Impulsiv/Unverantwortlich, Psychopathy) gefunden, die sich bezüglich Kontextvariablen und ihres YPI-Gesamtscores hoch signifikant unterscheiden. Als Grenzwerte für die Clusterzuteilung wurden YPI-Gesamtscores Δ Low = 4.28 (Low-Trait – Impulsiv/Unverantwortlich) und Δ High = 6.86 (Impulsiv/Unverantwortlich – Psychopathy) herausgearbeitet. Schlussfolgerungen: Die Zuordnung von jungen Straftätern auf die gefundenen Cluster erlaubt, über die Diagnose von Psychopathy hinaus, eine Orientierung für anzuschließende Psychodiagnostik und Behandlungsplanung. Das YPI ist damit ein für den Jugendvollzug wertvolles Instrument, das klinisch und forensisch relevante Informationen zu Ursachen und zu modellerwartendem Verlauf psychopathologischen Verhaltens liefern kann.
Abstract.Objective: Does the Youth Psychopathic Traits Inventory identify one or more high-risk subgroups among young offenders? Which recommendations for possible courses of action can be derived for individual clinical or forensic cases? Method: Model-based cluster analysis (Raftery, 1995) was conducted on a sample of young offenders (N = 445, age 14–22 years, M = 18.5, SD = 1.65). The resulting model was then tested for differences between clusters with relevant context variables of psychopathy. The variables included measures of intelligence, social competence, drug use, and antisocial behavior. Results: Three clusters were found (Low Trait, Impulsive/Irresponsible, Psychopathy) that differ highly significantly concerning YPI scores and the variables mentioned above. The YPI Scores Δ Low = 4.28 (Low Trait – Impulsive/Irresponsible) and Δ High = 6.86 (Impulsive/Irresponsible – Psychopathy) were determined to be thresholds between the clusters. Conclusions: The allocation of a person to be assessed within the calculated clusters allows for an orientation of consequent tests beyond the diagnosis of psychopathy. We conclude that the YPI is a valuable instrument for the assessment of young offenders, as it yields clinically and forensically relevant information concerning the cause and expected development of psychopathological behavior.
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