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Improving risk assessments for sex offenders

A comparison of three actuarial scales.

Bibliographic Data

ID23325634
AuthorsR Karl Hanson (0000-0002-0920-884X, HM Prison Service), David Thornton (0000-0003-0127-1104), David J Thornton (0000-0001-7148-1970, HM Prison Service)
Year2000
Volume24
Issue1
Pages119-136
Publication date2000-02-01
Peer ReviewedYes
Open AccessNo
TypeARTICLE
VenueLaw and Human Behavior (JOURNAL)
Journal identifiersISSN: 0147-7307 • E-ISSN: 1573-661X
PublisherAmerican Psychological Association (APA) (PUBLISHER)
DOI10.1023/a:1005482921333
PMID10693322
OpenAlexW1967631753
LanguageEN
Citations received75
References cited9

The study compared the predictive accuracy of three sex offender risk-assessment measures: the RRASOR (Hanson, 1997), Thornton's SACJ-Min (Grubin, 1998), and a new scale, Static-99, created by combining the items from the RRASOR and SACJ-Min. Predictive accuracy was tested using four diverse datasets drawn from Canada and the United Kingdom (total n = 1301). The RRASOR and the SACJ-Min showed roughly equivalent predictive accuracy, and the combination of the two scales was more accurate than either original scale. Static-99 showed moderate predictive accuracy for both sexual recidivism (r = 0.33, ROC area = 0.71) and violent (including sexual) recidivism (r = 0.32, ROC area = 0.69). The variation in the predictive accuracy of Static-99 across the four samples was no more than would be expected by chance.

Injury prevention · Legal psychology · Medical emergency · Poison control · Predictive validity · Predictive value · Recidivism · Risk assessment · Scale (ratio) · Sex offender · Sex offense · Sexual abuse · Statistics · Clinical Psychology · Computer Science · Crime Patterns and Interventions · Criminal Justice and Corrections Analysis · Demography · Internal Medicine · Mathematics · Medicine · Psychology · Psychopathy, Forensic Psychiatry, Sexual Offending · Social Psychology

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Unique citing works75
Citations per year2,88
Citation span2000 - 2026 (27)
Citation velocitycurrent
Highly citedNo
Citation typesNeutral: 57

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