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Results for risk-assessment instruments

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Author: Gobeil, Renee

Title: Use of the Custody Rating Scale with Male Offenders

Summary: Periodic revalidations of instruments used in assessing and classifying offenders are necessary given that offender populations can change over time. It is important to ensure that instruments continue to be valid and to measure what they purport to measure despite changes in the populations to which they are applied. This is particularly true for instruments used in security classification as this classification impacts penitentiary placement and can influence access to programs and interventions, as well as conditional release decisions. In determining offenders' initial security classification, CSC uses the Custody Rating Scale (CRS), which measures offenders' institutional adjustment and security risk. The CRS is a 12- item empirically-derived actuarial instrument that provides a security classification recommendation which is then considered together with the clinical judgment of experienced and specialized professional staff and, in some cases, psychological assessment. Given changes in the offender population since the CRS's development, a revalidation was undertaken. The study was limited to male offenders and included a total of 11,438 CRSs completed between January 1, 2008 and December 31, 2009. Analyses demonstrated that the CRS continues to be appropriate for use in the determination of initial security classifications. Offenders receiving higher CRS security classification recommendations tended to be higher risk and less well adjusted than their counterparts receiving lower recommendations. CRS recommendations were consistent with ratings on measures of risk, need, motivation, reintegration potential, and, for non-Aboriginal offenders, scores on a measure of the likelihood of recidivism. CRS recommendations were also predictive of involvement in minor and major institutional incidents, conviction of serious institutional charges, and the granting of discretionary release (used as a measure of manageability of risk). Though slightly higher proportions of Aboriginal offenders than of non-Aboriginal offenders received higher CRS security classification recommendations, the CRS was able to predict involvement in serious institutional misbehaviours and the granting of discretionary release at comparable rates for offenders of each ethnicity. This pattern suggests that the difference in security classification recommendation distributions for Aboriginal and non-Aboriginal offenders reflect underlying differences in risk rather than over-classification. Results were therefore supportive of the continued use of the CRS with Aboriginal offenders. Finally, whether domains not included in the CRS are also useful predictors of institutional adjustment and security risk was examined. Measures of antisocial attitudes and antisocial associates were found to be related to involvement in institutional misbehaviour. Relationships were sufficiently strong to indicate that if and when modifications are made to the current security classification approach, there may be value in considering the inclusion of measures of antisocial attitudes and antisocial attitudes, as well, perhaps, as other measures.

Details: Ottawa; Correctional Service of Canada, 2014. 68p.

Source: Internet Resource: Research Report No. R-257: Accessed October 2, 2014 at: http://www.publicsafety.gc.ca/lbrr/archives/cn21484-eng.pdf

Year: 2011

Country: Canada

URL: http://www.publicsafety.gc.ca/lbrr/archives/cn21484-eng.pdf

Shelf Number: 133548

Keywords:
Classification of Offenders
Male Offenders (Canada)
Males
Risk-Assessment Instruments