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Examining The Necessity For And Utility Of The Psychopathic Personality Inventory-Revised (Ppi-R) Validity Scales, Jaime Anderson, Martin Sellborn, Dustin Wygant, John Edens
Examining The Necessity For And Utility Of The Psychopathic Personality Inventory-Revised (Ppi-R) Validity Scales, Jaime Anderson, Martin Sellborn, Dustin Wygant, John Edens
Dustin B. Wygant
The present study aimed to investigate the need for and utility of the Psychopathic Personality Inventory—Revised (PPI–R) Deviant Responding (DR) and Virtuous Responding (VR) validity scales in identifying overreporting and underreporting, respectively. Since the PPI–R was published, there has not been an independent peer-reviewed examination of these scales. Participants were 384 undergraduate individuals asked to respond to the PPI–R under standard, underreporting, or overreporting instructions. A comparison group consisting of 200 forensic psychiatric patients was also used for the overreporting analyses. Effects of response bias on mean elevations on the PPI–R substantive scales were examined along with the effects on …