1. The Risk-Need-Responsivity (RNR) Model
2. Boer, D. P., Hart, S. D., Kropp, P., & Webster, C. D. (1997). Manual for the sexual violence risk-20: Professional guidelines for assessing risk of sexual violence. British Columbia Institute Against Family Violence
3. Public attitudes toward the treatment of sex offenders
4. Comtois D. (2022). Summarytools: Tools to quickly and neatly summarize data [R Package Version 1.0.1]. https://CRAN.R-project.org/package=summarytools