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Criminal Justice and Behavior, Vol. 34, No. 3, 399-410 (2007)
DOI: 10.1177/0093854806294091
© 2007 International Association for Correctional and Forensic Psychology

Computer Equivalency of the Psychopathic Personality Inventory-Revised in a Nonincarcerated Population

Jeffrey C. Sandler

University at Albany, sandler_jc{at}hotmail.com

This study is designed to test the equivalency of the paper format of the Psychopathic Personality Inventory-Revised (PPIR) with a computerized (online) version. It is hypothesized that the psychometric properties of the PPI-R would continue to hold when the administration format was changed from paper to computer. A total of 124 respondents participate in the study. Participant scores on all 15 of the PPI-R scales are found to be similar, as are all internal scale consistencies. Test-retest reliabilities for scores on the PPI-R Overall Total, Factors, and Content scales range from r = .76 (Coldheartedness) to r = .93 (PPI-R Total). The computerized format also allows for both more efficient scoring (i.e., no hand coding) and more complete responding (i.e., less missing data).

Key Words: psychopathy • assessment • PPI-R • computer equivalency


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