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A Comparison of the Psychometric Properties of the Psychopathic Personality Inventory Full-Length and Short-Form Versions
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Kastner, Rebecca M.; Sellbom, Martin; Lilienfeld, Scott O. – Psychological Assessment, 2012
The Psychopathic Personality Inventory (PPI) has shown promising construct validity as a measure of psychopathy. Because of its relative efficiency, a short-form version of the PPI (PPI-SF) was developed and has proven useful in many psychopathy studies. The validity of the PPI-SF, however, has not been thoroughly examined, and no studies have…
Descriptors: Personality Measures, Psychopathology, Psychometrics, Comparative Analysis
The Interpersonal Measure of Psychopathy: Construct and Incremental Validity in Male Prisoners
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Zolondek, Stacey; Lilienfeld, Scott O.; Patrick, Christopher J.; Fowler, Katherine A. – Assessment, 2006
The authors examined the construct and incremental validity of the Interpersonal Measure of Psychopathy (IM-P), a relatively new instrument designed to detect interpersonal behaviors associated with psychopathy. Observers of videotaped Psychopathy Checklist-Revised (PCL-R) interviews rated male prisoners (N = 93) on the IM-P. The IM-P correlated…
Descriptors: Mental Disorders, Construct Validity, Interviews, Males