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Psychopathy Checklist: Youth Version psychometric properties in an Item Response Theory polytomous model

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This study assessed the applicability of the Psychopathy Checklist: Youth Version in a sample of teenagers confined in socio-educational institutions. Using an Item Response Theory approach, item properties of this… Click to show full abstract

This study assessed the applicability of the Psychopathy Checklist: Youth Version in a sample of teenagers confined in socio-educational institutions. Using an Item Response Theory approach, item properties of this instrument were reviewed using the generalized partial credit model. Eight of the original twenty items of the original instrument were discarded due to low discrimination parameters. As expected, the most discriminating items in the assessment of psychiatric traits

Keywords: response theory; item response; psychopathy checklist; youth version; checklist youth

Journal Title: Estudos De Psicologia (campinas)
Year Published: 2020

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