Journal
SCANDINAVIAN JOURNAL OF PSYCHOLOGY
Volume 48, Issue 4, Pages 299-312Publisher
WILEY
DOI: 10.1111/j.1467-9450.2007.00560.x
Keywords
psychopathy; reliability; multiple informants; longitudinal study; antisocial behavior
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The psychometric properties of the self-report version of the Antisocial Processes Screening Device (APSD; Frick & Hare, 2001), a rating scale developed to assess traits associated with the construct of psychopathy in youth, was tested in a sample of 91 non-referred young adolescents with an average age of 13.38 (SD = 1.75) at the initial assessment. The sample was recruited from a large community-wide screening, where youth with conduct problems and youth high on psychopathic traits were over-sampled. The sample was reassessed three times at yearly intervals. The self-report scores on the APSD showed moderate correlations with parent ratings of psychopathic traits, were moderately stable across 1-2 years, and showed significant correlations with measures of antisocial behavior both concurrently and predictively One major weakness of the self-report ratings was the low internal consistency of the subscales, which were much lower than the internal consistency found on the parent report version of the scale.
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