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R. Karl Hanson

R. Karl Hanson

D-Index & Metrics

Psychology

D-Index
65
Citations
26793
World Ranking
2774
National Ranking
165

Overview

R. Karl Hanson is affiliated with Carleton University in Canada and has contributed extensively to research in social sciences and psychology, with a particular focus on topics related to forensic psychology, criminal behavior, and sexual offending. Their body of work spans over 37 publications in social sciences and 20 in psychology, emphasizing a multidisciplinary approach bridging sociology, political science, clinical psychology, and gender studies.

Their research concentrates on several key areas, including:

  • Psychopathy, Forensic Psychiatry, Sexual Offending
  • Criminal Justice and Corrections Analysis
  • Crime Patterns and Interventions
  • Sexual Assault and Victimization Studies
  • Sexuality, Behavior, and Technology
  • Intimate Partner and Family Violence
  • Sex work and related issues

Hanson has published frequently in academic journals such as:

  • Sexual Abuse
  • Psychological Assessment
  • Law and Human Behavior
  • Journal of Sexual Aggression
  • Journal of Consulting and Clinical Psychology

Recent papers include the following studies:

  • "Reassessment improves prediction of criminal recidivism: A prospective study of 3,421 individuals in New Zealand." (2020), Psychological Assessment
  • "Monitoring changes in risk of reoffending: A prospective study of 632 men on community supervision." (2020), Journal of Consulting and Clinical Psychology
  • "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." (2021), Psychological Assessment
  • "Updated 5-year and new 10-year sexual recidivism rate norms for Static-99R with routine/complete samples." (2021), Law and Human Behavior
  • "ACUTE-2007 and STABLE-2007 predict recidivism for men adjudicated for child sexual exploitation material offending." (2023), Law and Human Behavior

Coauthorship is a significant aspect of their work, collaborating often with researchers such as:

  • Seung C. Lee
  • Kelly M. Babchishin
  • David Thornton
  • Andrew E. Brankley
  • L. Maaike Helmus

In addition to journal publications, Hanson has authored a book titled Prediction statistics for psychological assessment. This work was published by the American Psychological Association in 2021 and has been cited within the academic community.

Best Publications

  • Predicting relapse: a meta-analysis of sexual offender recidivism studies.

    R. Karl Hanson;Monique T. Bussière

  • The Characteristics of Persistent Sexual Offenders: A Meta-Analysis of Recidivism Studies.

    R. Karl Hanson;Kelly E. Morton-Bourgon

  • Improving risk assessments for sex offenders: a comparison of three actuarial scales.

    R. Karl Hanson;David Thornton

  • First report of the collaborative outcome data project on the effectiveness of psychological treatment for sex offenders.

    R. Karl Hanson;Arthur Gordon;Andrew J. R. Harris;Janice K. Marques

  • The accuracy of recidivism risk assessments for sexual offenders: a meta-analysis of 118 prediction studies.

    R. Karl Hanson;Kelly E. Morton-Bourgon

  • Where Should We Intervene? Dynamic Predictors of Sexual Offense Recidivism

    R. Karl Hanson;Andrew John Rawson Harris

  • Assessing Risk for Sexual Recidivism: Some Proposals on the Nature of Psychologically Meaningful Risk Factors:

    Ruth E. Mann;R. Karl Hanson;David Thornton

  • The Principles of Effective Correctional Treatment Also Apply To Sexual Offenders: A Meta-Analysis

    R. Karl Hanson;Guy Bourgon;Leslie Helmus;Shannon Hodgson

  • Long-term recidivism of child molesters

    R. Karl Hanson;Richard A. Steffy;Rene Gauthier

  • Improving the Predictive Accuracy of Static-99 and Static-2002 With Older Sex Offenders: Revised Age Weights

    Leslie Helmus;David Thornton;R. Karl Hanson;Kelly M. Babchishin

  • A structured approach to evaluating change among sexual offenders.

    R. Karl Hanson;Andrew J. R. Harris

  • Recidivism and Age: Follow-Up Data From 4,673 Sexual Offenders:

    R. Karl Hanson

  • Risk factors for the perpetration of child sexual abuse: A review and meta-analysis

    Daniel J. Whitaker;Brenda Le;R. Karl Hanson;Charlene K. Baker

  • STATIC-99 Coding Rules Revised - 2003

    Andrew Harris;Amy Phenix;R. Karl Hanson;David Thornton

  • The characteristics of online sex offenders: a meta-analysis.

    Kelly M. Babchishin;R. Karl Hanson;Chantal A. Hermann

  • High rates of sexual behavior in the general population: correlates and predictors.

    Niklas Långström;R. Karl Hanson

  • Contact Sexual Offending by Men With Online Sexual Offenses

    Michael C. Seto;R. Karl Hanson;Kelly M. Babchishin

  • Online child pornography offenders are different: a meta-analysis of the characteristics of online and offline sex offenders against children.

    Kelly M Babchishin;Kelly M Babchishin;R Karl Hanson;Heather VanZuylen;Heather VanZuylen

  • MMPI, Rorschach, and WAIS: A Meta-Analytic Comparison of Reliability, Stability, and Validity

    Kevin C. H. Parker;R. Karl Hanson;John Hunsley

  • What do we know about sex offender risk assessment

    R. Karl Hanson

  • Absolute Recidivism Rates Predicted By Static-99R and Static-2002R Sex Offender Risk Assessment Tools Vary Across Samples: A Meta-Analysis

    Leslie Helmus;R. Karl Hanson;David Thornton;Kelly M. Babchishin

Frequent Co-Authors

David Thornton
David Thornton Haukeland University Hospital
Michael H. Miner
Michael H. Miner University of Minnesota
Michael C. Seto
Michael C. Seto University of Ottawa
Elizabeth J. Letourneau
Elizabeth J. Letourneau Johns Hopkins University
Ruth E. Mann
Ruth E. Mann Government of the United Kingdom
Elizabeth L. Jeglic
Elizabeth L. Jeglic John Jay College of Criminal Justice
John M. W. Bradford
John M. W. Bradford McMaster University
Niklas Långström
Niklas Långström Karolinska Institute
Daniel C. Murrie
Daniel C. Murrie University of Virginia
Philip Firestone
Philip Firestone University of Ottawa

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