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Cross-Validation and Extension of the Violence Risk Appraisal Guide for Child Molesters and Rapists

Cross-Validation and Extension of the Violence Risk Appraisal Guide for Child Molesters and Rapists A cross-validation of the Violence Risk Appraisal Guide was performed on a sample of 159 child molesters and rapists followed for an average of 10 years at risk The performance of the instrument was also examined on a 10-yr followup of 288 sex offenders that included both those in the original construction sample for the VRAG and the validation sample. The instrument performed as well as it had in construction for predicting violent recidivism in both the cross-validation and extended followup samples, and moderately well in the prediction of sexual recidivism. Survival analyses showed that child molesters exhibited higher risk of sexual recidivism than rapists or offenders against both children and adults, whereas the opposite was true for violent recidivism. As predicted, psychopathy and phallometrically determined sexual deviance exhibited a multiplicative interaction effect on sexual recidivism. Proportional hazards event history analyses supported the use of the VRAG for the prediction of violent recidivism among sex offenders. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Law and Human Behavior Springer Journals

Cross-Validation and Extension of the Violence Risk Appraisal Guide for Child Molesters and Rapists

Law and Human Behavior , Volume 21 (2) – Sep 24, 2004

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References (30)

Publisher
Springer Journals
Copyright
Copyright © 1997 by Plenum Publishing Corporation
Subject
Psychology; Law and Psychology; Criminology and Criminal Justice, general; Personality and Social Psychology; Community and Environmental Psychology
ISSN
0147-7307
eISSN
1573-661X
DOI
10.1023/A:1024882430242
Publisher site
See Article on Publisher Site

Abstract

A cross-validation of the Violence Risk Appraisal Guide was performed on a sample of 159 child molesters and rapists followed for an average of 10 years at risk The performance of the instrument was also examined on a 10-yr followup of 288 sex offenders that included both those in the original construction sample for the VRAG and the validation sample. The instrument performed as well as it had in construction for predicting violent recidivism in both the cross-validation and extended followup samples, and moderately well in the prediction of sexual recidivism. Survival analyses showed that child molesters exhibited higher risk of sexual recidivism than rapists or offenders against both children and adults, whereas the opposite was true for violent recidivism. As predicted, psychopathy and phallometrically determined sexual deviance exhibited a multiplicative interaction effect on sexual recidivism. Proportional hazards event history analyses supported the use of the VRAG for the prediction of violent recidivism among sex offenders.

Journal

Law and Human BehaviorSpringer Journals

Published: Sep 24, 2004

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