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Validation of the Youth Psychopathic Traits Inventory and Youth Psychopathic Traits Inventory: Short Version Among Incarcerated Juvenile Delinquents
School of Psychology, University of Minho, Campus de Gualtar, Braga, Portugal.
Örebro University, School of Law, Psychology and Social Work.ORCID iD: 0000-0002-8163-6558
Department of Criminal Justice, University of Texas at San Antonio, San Antonio, TX, USA.
SPA – Instituto Universitário, Lisbon, Portugal.
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2015 (English)In: Journal of Psychopathology and Behavioral Assessment, ISSN 0882-2689, E-ISSN 1573-3505, Vol. 37, no 4, 576-586 p.Article in journal (Refereed) Published
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Text
Abstract [en]

The aim of the present study was to examine the psychometric properties of the Youth Psychopathic Traits Inventory (YPI) and of the Youth Psychopathic Traits Inventory - Short version (YPI-S) among Portuguese juvenile delinquents within a forensic sample of 221 incarcerated males (ages 13-20 years). Confirmatory Factor Analysis supported the three-factor structure of the YPI and YPI-S, and the reliability of both instruments was good for the majority of subscales and factors. The YPI and YPI-S and their subscales showed good criterion, external, and divergent validity. That is, positive associations were found with a number of external criteria including Conduct Disorder, crime seriousness, and violent crimes. Total and subscale scores on both YPI versions were positively related to the Antisocial Process Screening Device, the Inventory of Callous-Unemotional Traits, and the Child and Adolescent Taxon Scale. Finally, both the YPI and YPI-S were mostly unrelated to the Social Anxiety Scale for Adolescents. Overall, the YPI-S presented less problems with reliability, but weaker relations to external correlates. These findings justify the use of the YPI and the YPI-S among incarcerated youths.

Place, publisher, year, edition, pages
Springer, 2015. Vol. 37, no 4, 576-586 p.
Keyword [en]
Assessment, Youth Psychopathic Traits Inventory (YPI), Youth Psychopathic Traits Inventory - Short version (YPI-S), Juvenile delinquency, Validation
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-47296DOI: 10.1007/s10862-015-9490-1ISI: 000365764100004Scopus ID: 2-s2.0-84948574600OAI: oai:DiVA.org:oru-47296DiVA: diva2:890899
Note

Funding Agencies:

Portuguese Foundation for Science and Technology (FCT)

European Social Fund - POPH/FSE SFRH/BPD/86666/2012

Available from: 2016-01-05 Created: 2016-01-04 Last updated: 2017-10-17Bibliographically approved

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