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The Impact of Base Rate Utilization and Clinical Experience on the Accuracy of Judgments Made with the HCR-20
Journal article

The Impact of Base Rate Utilization and Clinical Experience on the Accuracy of Judgments Made with the HCR-20

Glenn D. Walters, Daryl G. Kroner, David DeMatteo and Benjamin R. Locklair
Journal of forensic psychology practice, v 14(4)
08 Aug 2014

Abstract

base rates clinical experience HCR-20 risk assessment structured professional judgment (SPJ)
It was hypothesized that clinical judges would make ineffective use of base rate information and that their level of experience in the forensic psychology field or with risk assessment would have no bearing on their ability to make accurate clinical judgments. A convenience sample of 43 members of two professional psychological organizations was used to determine the effects of base rates and experience on predictions made from a "blind" analysis of the Historical, Clinical, Risk-20 (HCR-20). Consistent with the hypotheses, base rate neglect was prevalent in the current study and prior experience had no effect on predictive accuracy.

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19 citations in Scopus

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Collaboration types
Domestic collaboration
Web of Science research areas
Criminology & Penology
Psychology, Multidisciplinary
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