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Sex Offender Risk Appraisal Guide (SORAG)

The Sex Offender Risk Appraisal Guide (SORAG) is a 14-item static actuarial risk assessment tool developed to assess risk of general violence (sexual and nonsexual) with adult male sex offenders. After reviewing the development and content of the SORAG, this entry discusses its predictive accuracy, strengths, limitations, and applications and concludes with a look at a recent revision merging the SORAG with a companion measure.

Development and Item Content

The SORAG was developed in 1998 by Vernon Quinsey, Grant Harris, Marnie Rice, and Catherine Cormier at the Mental Health Centre Penetanguishene in Ontario, Canada, a maximum-security psychiatric facility. Although intended to be used with sex offenders, the broad scope of the SORAG is based on the premise that violence as an aggregate outcome is sufficiently serious to ...

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