A meta-analysis showing that the VRAG and SORAG exhibit a large predictive effect for violent recidivism and no evidence of "allegiance" (Harris et al., 2010). 

A meta-analysis showing that the VRAG and SORAG are the most accurate actuarial risk assessments available for sex offenders' violent recidivism (Hanson & Morton-Bourgon, 2009)  

A meta-analysis showing that the VRAG exhibited significantly better accuracy for violent recidivism than other assessments evaluated (Campbell et al., 2009, Table 1) 

A refutation of the suggestion that the VRAG/SORAG predict violent recidivism for groups, but not for individuals (Harris et al., 2007) 

A refutation of the suggestion that there was anything unethical about the development or application of the VRAG or SORAG (Quinsey et al., 2002)

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