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How are offenders assessed for referral to Services and Programs?

Programs

The eligibility criteria related to 'risk' for custody-based criminogenic programs is based on the Custody-Triage Risk Assessment Scale (TRAS). The Custody TRAS is a completely objective measure; there is no wait-time for the assessment, every inmate has one on entering custody; and it has sound predictive validity with respect to identifying those who are more likely to return to custody. For inmates convicted of sexual offences, the STATIC-99R is used to determine program eligibility in the first instance.

Custody TRAS

The Custody TRAS is an actuarial (statistically based) screening tool/algorithm developed by CSNSW which reliably estimates the probability of inmates within each risk group returning to custody with a new sentence/offence(s) within 2 years of release.

Static-99R

The Static-99R (Harris, Phenix, Hanson, & Thornton, 2003; Helmus, Babchishin, Hanson, & Thornton, 2009) is an instrument designed to assist in the prediction of an offender's risk of sexual re-offending. The Static-99R has moderate predictive accuracy, consists of 10 items, and produces estimates of future risk based on a number of risk factors present in any one individual. The total score (obtained by summing all the items) ranges from -3 to 12.

The use of instruments such as the Static-99R has some limitations. The recidivism estimates and relative rankings are based on groups of individuals and therefore these estimates/rankings will not necessarily directly reflect the recidivism risk of an individual offender. Similarly, the Static-99R is not sensitive to the changes in an offender's circumstances that may increase or decrease the individual's actual risk of re-offending, i.e. it does not assess areas of need.

Last updated:

17 Nov 2020

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