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Screening for psychopaths: a validation with norm scores of the Dutch psychopathic personality inventory-screening device

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Abstract
e current study reports validation results for the Psychopathic Personality Inventory (PPI) and its subscales, and for a newly developed PPI-Short Form (PPI-SF) in forensic and non-forensic populations. We also provide criterion refer- ence scores for the PPI and the PPI-SF. In Study 1, we used PPI data from 1,065 participants and supplementary PCL-R data from a subsample of 91 forensic offenders. Mokken scale analysis was used to construct the PPI-SF. In Study 2, PPI-SF and PCL-R data were collected from 60 participants. The study yielded promising but preliminary support for the construct validity of the PPI and the PPI-SF. The PPI-SF is of interest for risk assessment because of its (a) strong relationship with the PCL-R total score and (b) subscales known for their predictive value for violence and criminal recidivism.
Keywords
AGGRESSION QUESTIONNAIRE, CRITERION-RELATED VALIDITY, TRAITS, SAMPLE, CHECKLIST, BIS, Mokken scale analysis, Psychopathic Personality Inventory, Psychopathy, Screening for Psychopathy, Psychopathic Personality Inventory Short Form

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Chicago
Tonnaer, Franca, Cima Maaike, Klaas Sijtsma, Katarzyna Uzieblo, and Scott Lilienfeld. 2013. “Screening for Psychopaths: a Validation with Norm Scores of the Dutch Psychopathic Personality Inventory-screening Device.” Journal of Psychopathology and Behavioral Assessment 35 (2): 153–161.
APA
Tonnaer, F., Maaike, C., Sijtsma, K., Uzieblo, K., & Lilienfeld, S. (2013). Screening for psychopaths: a validation with norm scores of the Dutch psychopathic personality inventory-screening device. JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT, 35(2), 153–161.
Vancouver
1.
Tonnaer F, Maaike C, Sijtsma K, Uzieblo K, Lilienfeld S. Screening for psychopaths: a validation with norm scores of the Dutch psychopathic personality inventory-screening device. JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT. 2013;35(2):153–61.
MLA
Tonnaer, Franca, Cima Maaike, Klaas Sijtsma, et al. “Screening for Psychopaths: a Validation with Norm Scores of the Dutch Psychopathic Personality Inventory-screening Device.” JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT 35.2 (2013): 153–161. Print.
@article{5798042,
  abstract     = {e current study reports validation results for the Psychopathic Personality Inventory (PPI) and its subscales, and for a newly developed PPI-Short Form (PPI-SF) in forensic and non-forensic populations. We also provide criterion refer- ence scores for the PPI and the PPI-SF. In Study 1, we used PPI data from 1,065 participants and supplementary PCL-R data from a subsample of 91 forensic offenders. Mokken scale analysis was used to construct the PPI-SF. In Study 2, PPI-SF and PCL-R data were collected from 60 participants. The study yielded promising but preliminary support for the construct validity of the PPI and the PPI-SF. The PPI-SF is of interest for risk assessment because of its (a) strong relationship with the PCL-R total score and (b) subscales known for their predictive value for violence and criminal recidivism.},
  author       = {Tonnaer, Franca and Maaike, Cima and Sijtsma, Klaas and Uzieblo, Katarzyna and Lilienfeld, Scott},
  issn         = {0882-2689},
  journal      = {JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT},
  language     = {eng},
  number       = {2},
  pages        = {153--161},
  title        = {Screening for psychopaths: a validation with norm scores of the Dutch psychopathic personality inventory-screening device},
  url          = {http://dx.doi.org/10.1007/s10862-012-9333-2},
  volume       = {35},
  year         = {2013},
}

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