Validity and structure of a self-report measure of youth psychopathy.

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Behavioral sciences & the law, ISSN: 0735-3936, Vol: 22, Issue: 1, Page: 69-84

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Lexcen, Frances J.; Vincent, Gina M.; Grisso, Thomas
Psychology; Medicine; Social Sciences; Adolescent; Antisocial Personality Disorder; Child; Humans; Male; *Psychological Tests; *Self Assessment (Psychology); United States; Psychiatry
article description
An interest in early identification of youth who may be at risk of psychopathy has generated measures for age-appropriate screening and assessment. This study examines the structural, concurrent, and divergent validity of the Psychopathy Content Scale, a 20-item self-report instrument derived from the Millon Adolescent Clinical Inventory (MACI). Data for 481 youths who had taken the MACI, the Child Behavior Checklist Youth Self-Report (YSR), and the Massachusetts Youth Screening Instrument, Second Version (MAYSI-2), were analyzed. Results showed that the PCS is best described by a two-factor model and that analyses of the two factors offer limited support for convergent and divergent validity. High scores on both factors were associated with high YSR and MAYSI-2 scales, suggesting that the measure identified youth who were distressed on several measures of emotional, psychological, and behavioral disorder.