Law and Human Behavior Vol. 41, Iss. 6,  (Dec 2017): 507-518. The Violence Risk Appraisal Guide—Revised (VRAG–R) was developed to replace the original VRAG based on an updated and larger sample with an extended follow-up period. Using a sample of 120 adult male correctional offenders, the current study examined the interrater reliability and predictive and comparative validity of the VRAG–R to the VRAG, the Psychopathy Checklist—Revised, the Statistical Information on Recidivism—Revised, and the Two-Tiered Violence Risk Estimate over a follow-up period of up to 22 years postrelease.. To read the full article, log in using your NHS OpenAthens details.