Criterion and Predictive Validity of the Static-99 for Adult Males Convicted of Sexual Offences Against Children

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Title Criterion and Predictive Validity of the Static-99 for Adult Males Convicted of Sexual Offences Against Children
Author Smallbone, Stephen Walkley; Wortley, Richard Keith
Journal Name Sexual Abuse in Australia and New Zealand
Year Published 2008
Place of publication Sydney
Publisher ANZATSA
Abstract Official demographic and offence history data and confidential self-report data obtained from adult m ales convicted of sexual offences against children were used to produce actuarial recidivism risk prediction (Stati c-99) scores, four sexual deviance and general criminological pre dictor variables, and four (official and unofficial) offen ce-related outcome variables. Static-99 scores applicable at t he time of the current sexual offence conviction (n = 172) pre dicted sexual and nonsexual offending outcomes. Regression models were improved with the addition of sexual deviance and criminological predictors not included in the Stati c-99. Static- 99 scores applicable at the time of the first sexua l offence conviction for known recidivist sexual offenders (n = 40) predicted official nonsexual offence convictions an d self- reported number of sexual offence victims, but not official sexual offence convictions or self-reported total p eriod of sexual offending. Again, regression models were imp roved with the addition of other sexual deviance and crim inological predictors. Results provide partial support for crit erion and predictive validity of the Static-99. Applied risk assessments may benefit from consideration of key self-report a nd official data not included in the Static-9
Peer Reviewed Yes
Published Yes
Publisher URI
Copyright Statement Copyright 2008 Sexual Abuse in Australia and New Zealand & Authors. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 1
Issue Number 1
Page from 28
Page to 37
ISSN 1833-8488
Date Accessioned 2009-02-20
Language en_US
Research Centre Key Centre for Ethics, Law, Justice and Governance
Faculty Arts, Education and Law
Subject Forensic Psychology
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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