The Juvenile Sex Offender Recidivism Risk Assessment Tool-II (JSORRAT-II) was originally developed by Douglas Epperson in collaboration with the Utah Juvenile Justice Services as an actuarial assessment of risk. Actuarial assessments aim to make risk assessments based on well-established statistical relationships (e.g., weather forecasting relies on statistical models to predict storms but cannot predict with 100% accuracy), as opposed to clinical assessments (e.g., making a judgment of risk based on information gained from the psychosocial interview). The JSORRAT-II was designed to evaluate the risk of sexual recidivism for male sex offenders whose sexual offenses occurred between the ages of 12 and 18 years. The tool provides an overall score (ranging from 0 to 21) that is comprised of scores on 12 static, or unchanging, variables: ...