All Stories

  1. Risk Tools Predict Recidivism for Men With Low Intellectual Ability and a History of Sexual Offending

    Article • Sexual Abuse, March 2026, SAGE Publications

    R Karl Hanson

  2. Cross-province comparisons of intimate partner violence risk assessment: New Canadian percentile norms for the Ontario Domestic Assault Risk Assessment.

    Article • Canadian Journal of Behavioural Science/Revue canadienne des sciences du comportement, January 2026, American Psychological Association (APA)

    Elke Ham, R Karl Hanson

  3. Public sex offender registries are unlikely to reduce sexual harm

    Article • Psychology Public Policy and Law, December 2025, American Psychological Association (APA)

    R Karl Hanson

  4. How Public Registries Obscure Sexual Recidivism Risk: Evidence from State Administrative Data

    Article • November 2025, Center for Open Science

    R Karl Hanson

  5. The Sexual Recidivism Rates of Women Are Still Low: An Updated Meta‐Analysis

    Article • Criminal Behaviour and Mental Health, October 2025, Wiley

    R Karl Hanson

  6. Where Should We Intervene, 20 Years Later? Case–Control and Prospective Cohort Designs Provide Similar Answers

    Article • Criminal Justice and Behavior, November 2024, SAGE Publications

    R Karl Hanson

  7. Police need updated research to support intimate partner violence risk assessment

    Article • Journal of Threat Assessment and Management, October 2024, American Psychological Association (APA)

    Dr N Zoe Hilton, R Karl Hanson

  8. Risk to reoffend changes over time: Improving correctional programming through progress monitoring.

    Article • Psychological Assessment, July 2024, American Psychological Association (APA)

    Kelly Babchishin, R Karl Hanson

  9. What factors increase reoffending among men with child pornography offenses?

    Article • Law and Human Behavior, August 2023, American Psychological Association (APA)

    Kelly Babchishin, R Karl Hanson

  10. Dynamic Risk Scales Degrade Over Time: Evidence for Reassessments

    Article • Assessment, June 2023, SAGE Publications

    R Karl Hanson

  11. Measuring What Matters: Standardised Risk Levels for Criminal Recidivism Risk

    Article • November 2022, Taylor & Francis

    R Karl Hanson

  12. Predictive Validity of Static-99R Among 8,207 Men Convicted of Sexual Crimes in South Korea: A Prospective Field Study

    Article • Sexual Abuse, November 2022, SAGE Publications

    R Karl Hanson

  13. Long Term Recidivism Rates Among Individuals at High Risk to Sexually Reoffend

    Article • Sexual Abuse, November 2022, SAGE Publications

    R Karl Hanson

  14. Reliability and Factor Structure of the Sex Offender Treatment Intervention and Progress Scale

    Article • Sexual Abuse, April 2022, SAGE Publications

    R Karl Hanson

  15. Pedophilia is a taxon among 706 adult males assessed at a civil commitment center.

    Article • Journal of Psychopathology and Clinical Science, February 2022, American Psychological Association (APA)

    Andrew Brankley, Raymond Knight, R Karl Hanson

  16. Understanding the numbers used to judge whether somebody will do something in the future

    Article • January 2022, American Psychological Association (APA)

    R Karl Hanson

  17. Improving Our Risk Communication: Standardized Risk Levels for Brief Assessment of Recidivism Risk-2002R

    Article • Sexual Abuse, October 2021, SAGE Publications

    R Karl Hanson

  18. Improving our Risk Communication: Standardized Risk Levels for BARR-2002R

    Article • August 2021, Center for Open Science

    R Karl Hanson

  19. Field validity of Static-99R and STABLE-2007 with 4,433 men serving sentences for sexual offences in British Columbia: New findings and meta-analysis.

    Article • Psychological Assessment, July 2021, American Psychological Association (APA)

    Maaike Helmus, Dr Daniel Murrie, R Karl Hanson

  20. Updated 5-year and new 10-year sexual recidivism rate norms for Static-99R with routine/complete samples.

    Article • Law and Human Behavior, February 2021, American Psychological Association (APA)

    Seung Lee, R Karl Hanson

  21. Static-99R

    Article • December 2020, Taylor & Francis

    R Karl Hanson

  22. Does Reassessment Improve Prediction? A Prospective Study of the Sexual Offender Treatment Intervention and Progress Scale (SOTIPS)

    Article • International Journal of Offender Therapy and Comparative Criminology, December 2020, SAGE Publications

    R Karl Hanson

  23. Monitoring changes in risk of reoffending: A prospective study of 632 men on community supervision.

    Article • Journal of Consulting and Clinical Psychology, October 2020, American Psychological Association (APA)

    R Karl Hanson

  24. Reductions in risk based on time offense-free in the community: Once a sexual offender, not always a sexual offender.

    Article • Psychology Public Policy and Law, February 2018, American Psychological Association (APA)

    R Karl Hanson

  25. Psychological Treatment of Sex Offenders

    Article • Current Psychiatry Reports, February 2013, Springer Science + Business Media

    R Karl Hanson

  26. What Should We Do With Sexual Offenders?

    Article • PsycCRITIQUES, January 2011, Portico

    R Karl Hanson

  27. Dimensional Measurement of Sexual Deviance

    Article • Archives of Sexual Behavior, November 2009, Springer Science + Business Media

    R Karl Hanson

  28. Predictors of criminal recidivism among male batterers

    Article • Psychology Crime and Law, December 2004, Taylor & Francis

    R Karl Hanson

  29. Remediation

    Article • Annals of the New York Academy of Sciences, June 2003, Wiley

    R Karl Hanson

  30. Sexual Offender Recidivism Risk

    Article • Annals of the New York Academy of Sciences, June 2003, Wiley

    R Karl Hanson

  31. Article • Sexual Abuse, January 2002, SAGE Publications

    R Karl Hanson

  32. Article • Sexual Abuse, January 2002, SAGE Publications

    R Karl Hanson

  33. Predicting Attrition From Treatment Programs for Abusive Men

    Article • Journal of Family Violence, June 2001, Springer Science + Business Media

    R Karl Hanson

  34. A Structured Approach to Evaluating Change Among Sexual Offenders

    Article • Sexual Abuse, April 2001, SAGE Publications

    R Karl Hanson

  35. Will They Do It Again?

    Article • Current Directions in Psychological Science, June 2000, SAGE Publications

    R Karl Hanson

  36. Article • Sexual Abuse, January 2000, SAGE Publications

    R Karl Hanson

  37. What do we know about sex offender risk assessment?

    Article • Psychology Public Policy and Law, March 1998, American Psychological Association (APA)

    R Karl Hanson

  38. What do we know about sex offender risk assessment?

    Article • Psychology Public Policy and Law, January 1998, American Psychological Association (APA)

    R Karl Hanson

  39. Social networks of sexual offenders

    Article • Psychology Crime and Law, October 1996, Taylor & Francis

    R Karl Hanson

  40. Reactions to Motivational Accounts of Child Molesters

    Article • Journal of Child Sexual Abuse, January 1994, Taylor & Francis

    R Karl Hanson