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30-07-2018 | Original Article | Uitgave 2/2019

Child Psychiatry & Human Development 2/2019

The Portuguese Version of the Inventory of Callous-Unemotional Traits Self-Report and its Short Form Among a Normative Sample of Community Youths

Tijdschrift:
Child Psychiatry & Human Development > Uitgave 2/2019
Auteurs:
Pedro Pechorro, Teresa Braga, Samuel W. Hawes, Rui Abrunhosa Gonçalves, Mário R. Simões, James V. Ray

Abstract

The primary aim of the present study was to examine the psychometric properties and measurement invariance of the Inventory of Callous-Unemotional Traits (ICU) self-report and its short version (ICU-12) among a mixed-sex normative sample of 782 Portuguese youth (M = 15.87 years; SD = 1.72). Confirmatory factor analysis revealed that the three-factor structure of the ICU obtained the best fit after the removal of two items, and the two-factor structure of the ICU-12 obtained the best fit after the removal of one item. Cross-sex measurement invariance was demonstrated for both versions of the inventory. The 22-item version of the ICU and its 11-item short form (ICU-SF) demonstrated generally adequate psychometric properties of internal consistency, convergent validity, discriminant validity, and criterion-related validity (e.g., with conduct disorder symptoms). In terms of known-groups validity, males scored significantly higher than females. Results suggest that the use of the ICU and ICU-SF among Portuguese-speaking youth is psychometrically justified.

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