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Hanson, Babchishin, May, Reid, & Wilson (2026). Risk tools predict recidivism for men with low intellectual ability and a history of sexual offending.

Helmus, Eke, & Seto (2025) What risk assessment tools can be used with men convicted of child sexual exploitation material offenses? Recommendations from a review of durrent research.

Helmus, Eke, Farmus, & Seto (2024). The CPORT and Risk Matrix 2000 for men convicted of child sexual exploitation material (CSEM) offenses.

Thornton, Eberhaut, Ambroziak, & Eher (2020). Assessment of relative risk for sexual and violent recidivism with Risk Matrix 2000.

Helmus & Babchishin (2017). Primer on risk assessment and the statiistics used to evaluate its accuracy.

Lehman, Thornton, Helmus, & Hanson (2016). Developing nonarbitrary metrics for risk communication.

Helmus, Hanson, Babchishsin, & Thornton (2015). Sex offender risk assessment with the Risk Matrix 2000: Validation and guidelines for combining with the STABLE-2007.

Helmus, Babchishin, & Hanson (2013). The Predictive accuracy of the Risk Matrix 2000: A meta-analysis.

Wakeline, Mann, & Milner (2011). Interrater reliability of Risk Matrix 2000/s.

Wakeling, Howard, & Barnett (2011). Comparing the validity of the RM2000 scales and the OGRS3 for predicting recidivism by internet sexual offenders.