Risk Assessment and Risk Management in Offenders with Intellectual Disabilities: Are We There Yet?

REFERENCES

• American Psychiatric Association. (2000). Diagnostic and statistical manual of mental disorders (Text Revision, 4th ed.). Washington, DC: American Psychiatric Association.
   Google Scholar
• American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). Arlington, VA: American Psychiatric Association.
   Google Scholar
• Augustinus, F. (2006). Intelligence, recidivism and risk assessment: A study investigating the relationship between intelligence and recidivism & intelligence and the predictive value of the HCR–20, HKT–30 and PCL–R in a sample of (ex-)forensic psychiatric patients. Amsterdam, The Netherlands: Vrije Universiteit Amsterdam.
   Google Scholar
• Barry-Walsh, J., Daffern, M., Duncan, S., & Ogloff, J. (2009). The prediction of imminent aggression in patients with mental illness and/or intellectual disability using the dynamic appraisal of situational aggression instrument. Australasian Psychiatry, 17(6), 493–496. doi:10.1080/10398560903289975
   PubMed Web of Science ®Google Scholar
• Blacker, J., Beech, A. R., Wilcox, D. T., & Boer, D. P. (2011). The assessment of dynamic risk and recidivism in a sample of special needs sexual offenders. Psychology, Crime & Law, 17(1), 75–92. doi:10.1080/10683160903392376
   Web of Science ®Google Scholar
• Boer, D. P. (2009). Ecological validity and risk assessment: The importance of assessing context for intellectually disabled sexual offenders. The British Journal of Forensic Practice, 11(2), 4–9. doi:10.1108/14636646200900010
   Google Scholar
• Boer, D. P., Frize, M. C. J., Pappas, R., Morrissey, C., & Lindsay, W. R. (2010a). Suggested adaptations to the HCR–20 for offenders with intellectual disabilities. In L. A. Craig, W. R. Lindsay, & K. D. Browne (Eds.), Assessment and treatment of sexual offenders with intellectual disabilities: A handbook (pp. 177–192). Chichester, England: Wiley Blackwell.
   Google Scholar
• Boer, D. P., Frize, M. C. J., Pappas, R., Morrissey, C., & Lindsay, W. R. (2010b). Suggested adaptations to the SVR–20 for offenders with intellectual disabilities. In L. A. Craig, W. R. Lindsay, & K. D. Browne (Eds.), Assessment and treatment of sexual offenders with intellectual disabilities: A handbook (pp. 193–211). Chichester, England: Wiley Blackwell.
   Google Scholar
• Boer, D. P., Haaven, J., Lambrick, F., Lindsay, W. R., McVilly, K. R., Sakdalan, J., & Frize, M. C. J. (2012). ARMIDILO–S Manual. Retrieved from http://www.armidilo.net/
   Google Scholar
• Boer, D. P., Hart, S. D., Kropp, P. R., & Webster, C. D. (1997). Manual for the sexual violence risk—20: Professional guidelines for assessing risk of sexual violence. Vancouver, Canada: The Mental Health, Law, & Policy Institute.
   Google Scholar
• Boer, D. P., McVilly, K. R., & Lambrick, F. (2007). Contextualizing risk in the assessment of intellectually disabled individuals. Sexual Offender Treatment, 2(2), 1–4.
   Google Scholar
• Boer, D. P., Tough, S., & Haaven, J. (2004). Assessment of risk manageability of intellectually disabled sex offenders. Journal of Applied Research in Intellectual Disabilities, 17(4), 275–283. doi:10.1111/j.1468-3148.2004.00214.x
   Web of Science ®Google Scholar
• Camilleri, J. A., & Quinsey, V. L. (2011). Appraising the risk of sexual and violent recidivism among intellectually disabled offenders. Psychology, Crime & Law, 17(1), 59–74. doi:10.1080/10683160903392350
   Web of Science ®Google Scholar
• Copas, J., & Marshall, P. (1998). The offender group reconviction scale: A prospective comparative study. Applied Statistics, 47, 159–171.
   Web of Science ®Google Scholar
• Drieschner, K. H., & Hesper, B. L. (2008). Dynamic risk outcome scales. Boschoord, The Netherlands: Trajectum.
   Google Scholar
• Drieschner, K. H., Marrozos, I., & Hesper, B. L. (2011). Verstandelijke beperking in de forensische psychiatrie: Overzicht en presentatie van een onderzoek naar het effect van langdurende klinische behandelingen [Intellectual disability in forensic psychiatry: Overview and report of an outcome study for long-term inpatient treatment]. Proces, 2, 280–298.
   Google Scholar
• Drieschner, K. H., Marrozos, I., & Regenboog, M. (2013). Prevalence and risk factors of inpatient aggression by adults with intellectual disabilities and severe challenging behaviour: A long-term prospective study in two Dutch treatment facilities. Research in Developmental Disabilities, 34(8), 2407–2418. doi:10.1016/j.ridd.2013.04.008
   PubMed Web of Science ®Google Scholar
• Embregts, P., Van Den Bogaard, K., Hendriks, L., Heestermans, M., Schuitemaker, M., & Van Wouwe, H. (2010). Sexual risk assessment for people with intellectual disabilities. Research in Developmental Disabilities, 31, 760–767. doi:10.1016/j.ridd.2010.01.018
   PubMed Web of Science ®Google Scholar
• Fitzgerald, S., Gray, N. S., Alexander, R. T., Bagshaw, R., Chesterman, P., Huckle, P., … Snowden, R. J. (2013). Predicting institutional violence in offenders with intellectual disabilities: The predictive efficacy of the VRAG and the HCR–20. Journal of Applied Research in Intellectual Disabilities, 26(5), 384–393. doi:10.1111/jar.12032
   PubMed Web of Science ®Google Scholar
• Fitzgerald, S., Gray, N. S., Taylor, J., & Snowden, R. J. (2011). Risk factors for recidivism in offenders with intellectual disabilities. Psychology, Crime & Law, 17(1), 43–58. doi:10.1080/10683160903392293
   Web of Science ®Google Scholar
• Gaskin, K. M. (2007). Assessing risk in a community intellectual disability sample. The clinical utility of the Dynamic Risk Assessment and Management System (DRAMS): A study of clinician evaluations (PhD dissertation). Department of Psychology, University of Leicester, Leicester, England.
   Google Scholar
• Gray, N. S., Fitzgerald, S., Taylor, J., MacCulloch, M. J., & Snowden, R. J. (2007). Predicting future reconviction in offenders with intellectual disabilities: The predictive efficacy of VRAG, PCL–SV, and the HCR–20. Psychological Assessment, 19(4), 474–479. doi:10.1037/1040-3590.19.4.474
   PubMed Web of Science ®Google Scholar
• Habets, P., Jeandarme, I., Uzieblo, K., Oei, T. I., & Bogaerts, S. (2014). Intelligence is in the eye of the beholder: Investigating repeated IQ measurements in forensic psychiatry. Journal of Applied Research in Intellectual Disabilities, 28(3), 182–192. doi:10.1080/10683160903392293
   PubMed Web of Science ®Google Scholar
• Hanson, R. K. (1997). The development of a brief actuarial risk scale for sexual offense recidivism. Ottawa, Canada: Department of the Solicitor General of Canada.
   Google Scholar
• Hanson, R. K., Sheahan, C. L., & VanZuylen, H. (2013). STATIC–99 and RRASOR predict recidivism among developmentally delayed sexual offenders: A cumulative meta-analysis. Sexual Offender Treatment, 8(1), 1–14.
   Google Scholar
• Hanson, R. K., & Thornton, D. (1999). Static–99: Improving actuarial assessments for sex offenders. Ottowa, Canada: Department of the Solicitor General of Canada.
   Google Scholar
• Hare, R. D. (2003). Manual for the revised psychopathy checklist (2nd ed.). Toronto, Canada: Multi-Health Systems.
   Google Scholar
• Hart, S. D., Cox, D. N., & Hare, R. D. (1995). The hare psychopathy checklist: Screening version. Toronto, Canada: Multi-Health Systems.
   Google Scholar
• Helmus, L., Thornton, D., Hanson, R. K., & Babchishin, K. M. (2012). Improving the predictive accuracy of Static–99 and Static-2002 with older sex offenders: Revised age weights. Sexual Abuse: A Journal of Research and Treatment, 24(1), 64–101.
   PubMed Web of Science ®Google Scholar
• Hogue, T., Steptoe, L., Taylor, J. L., Lindsay, W. R., Mooney, P., Pinkney, L., … O’Brien, G. (2006). A comparison of offenders with intellectual disability across three levels of security. Criminal Behaviour and Mental Health, 16(1), 13–28. doi:10.1002/cbm.52
   PubMedGoogle Scholar
• Inett, A., Wright, G., Roberts, L., & Sheeran, A. (2014). Predictive validity of the START with intellectually disabled offenders. The Journal of Forensic Practice, 16(1), 78–88. doi:10.1108/JFP-12-2012-0029
   Google Scholar
• Jeandarme, I., Pouls, C., De Laender, J., Oei, T. I., & Bogaerts, S. (2015). The use of the HCR–20 in forensic medium security units in Flanders: Clinical value?. Manuscript submitted for publication. Belgium.
   Google Scholar
• Johnston, S. J. (2002). Risk assessment in offenders with intellectual disability: The evidence base. Journal of Intellectual Disability Research, 46(Suppl 1), 47–56. doi:10.1046/j.1365-2788.2002.t01-1-00003.x
   PubMed Web of Science ®Google Scholar
• Kells, M. (2011). The psychometric assessment of offenders with an intellectual disability (PhD dissertation).Department of Psychology, University of Birmingham, Birmingham, England.
   Google Scholar
• Lindsay, W. R., Elliot, S. F., & Astell, A. (2004). Predictors of sexual offence recidivism in offenders with intellectual disabilities. Journal of Applied Research in Intellectual Disabilities, 17(4), 299–305. doi:10.1111/j.1468-3148.2004.00217.x
   Web of Science ®Google Scholar
• Lindsay, W. R., Hogue, T. E., Taylor, J. L., Steptoe, L., Mooney, P., O’Brien, G. … Smith, A. H. W. (2008). Risk assessment in offenders with intellectual disability: A comparison across three levels of security. International Journal of Offender Therapy and Comparative Criminology, 52(1), 90–111. doi:10.1177/0306624x07308111
   PubMed Web of Science ®Google Scholar
• Lindsay, W. R., Murphy, L., Smith, G., Murphy, D., Edwards, Z., Chittock, C., & Young, S. J. (2004). The dynamic risk assessment and management system: An assessment of immediate risk of violence for individuals with offending and challenging behaviour. Journal of Applied Research in Intellectual Disabilities, 17(4), 267–274. doi:10.1111/j.1468-3148.2004.00215.x
   Web of Science ®Google Scholar
• Lofthouse, R. E., Lindsay, W. R., Totsika, V., Hastings, R. P., Boer, D. P., & Haaven, J. L. (2013). Prospective dynamic assessment of risk of sexual reoffending in individuals with an intellectual disability and a history of sexual offending behaviour. Journal of Applied Research in Intellectual Disabilities, 26(5), 394–403. doi:10.1111/jar.12029
   PubMed Web of Science ®Google Scholar
• Lofthouse, R. E., Lindsay, W. R., Totsika, V., Hastings, R. P., & Roberts, D. (2014). Dynamic risk and violence in individuals with an intellectual disability: Tool development and initial validation. The Journal of Forensic Psychiatry & Psychology, 25(3), 288–306. doi:10.1080/14789949.2014.911946
   Web of Science ®Google Scholar
• Lofthouse, R. E., Totsika, V., Hastings, R. P., Lindsay, W. R., Hogue, T. E., & Taylor, J. L. (2014). How do static and dynamic risk factors work together to predict violent behaviour among offenders with an intellectual disability? Journal of Intellectual Disability Research, 58(2), 125–133. doi:10.1111/j.1365-2788.2012.01645.x
   PubMed Web of Science ®Google Scholar
• McGrath, R. J., & Cumming, G. F. (2003). Sex Offender Treatment Needs and Progress Scale manual, research version 2003. Retrieved from http://www.nationalafc.com/images/file/SO%20TX%20Needs%20and%20Progress%20Scale.pdf
   Google Scholar
• McGrath, R. J., Livingston, J. A., & Falk, G. (2007). A structured method of assessing dynamic risk factors among sexual abusers with intellectual disabilities. American Journal on Mental Retardation, 112(3), 221–229. doi:10.1352/0895-8017(2007)112[221:asmoad]2.0.co;2
   PubMedGoogle Scholar
• Morrissey, C. (2008). Guidelines for assessing psychopathy in offenders with intellectual disabilities using the PCL:R and PCL:SV. Retrieved from http://mhinstitute.org.uk/-publications-/working-papers-/item/28-guidelines-for-assessing-psychopathy-in-offenders-with-intellectual-disabilities-using-the-pclr-and-pclsv.html
   Google Scholar
• Morrissey, C., Cooke, D., Michie, C., Hollin, C., Hogue, T., Lindsay, W. R., & Taylor, J. L. (2010). Structural, item, and test generalizability of the Psychopathy Checklist-Revised to offenders with intellectual disabilities. Assessment, 17(1), 16–29. doi:10.1177/1073191109344052
   PubMed Web of Science ®Google Scholar
• Morrissey, C., Hogue, T., Mooney, P., Allen, C., Johnston, S., Hollin, C., & Taylor, J. L. (2007). Predictive validity of the PCL–R in offenders with intellectual disability in a high secure hospital setting: Institutional aggression. Journal of Forensic Psychiatry & Psychology, 18(1), 1–15. doi:10.1080/08990220601116345
   Web of Science ®Google Scholar
• Morrissey, C., Hogue, T. E., Mooney, P., Lindsay, W. R., Steptoe, L., Taylor, J., & Johnston, S. (2005). Applicability, reliability and validity of the Psychopathy Checklist-Revised in offenders with intellectual disabilities: Some initial findings. The International Journal of Forensic Mental Health, 4(2), 207–220. doi:10.1080/14999013.2005.10471225
   Google Scholar
• Morrissey, C., & Hollin, C. (2011). Antisocial and psychopathic personality disorders in forensic intellectual disability populations: What do we know so far? Psychology, Crime & Law, 17(2), 133–149. doi:10.1080/10683160903392442
   Web of Science ®Google Scholar
• Morrissey, C., Mooney, P., Hogue, T. E., Lindsay, W. R., & Taylor, J. L. (2007). Predictive validity of the PCL–R for offenders with intellectual disability in a high security hospital: Treatment progress. Journal of Intellectual and Developmental Disability, 32(2), 125–133. doi:10.1080/13668250701383116
   PubMed Web of Science ®Google Scholar
• Newman, J., Stephens, S., Seto, M. C., & Cantor, J. M. (2014, October 31). The validity of the Static–99R in sexual offenders with low intellectual abilities. Paper presented at the Poster presented at the ATSA 33rd Anual Research and Treatment Conference, San Diego, CA.
   Google Scholar
• Ogloff, J. R. P., & Daffern, M. (2006). The dynamic appraisal of situational aggression: An instrument to assess risk for imminent aggression in psychiatric inpatients. Behavioral Sciences & the Law, 24(6), 799–813. doi:10.1002/bsl.741
   PubMed Web of Science ®Google Scholar
• O’Shea, L. E., Picchioni, M. M., McCarthy, J., Mason, F. L., & Dickens, G. L. (2015). Predictive validity of the HCR–20 for inpatient aggression: The effect of intellectual disability on accuracy. Journal of Intellectual Disability Research. doi:10.1111/jir.12184n/a-n/a
   PubMedGoogle Scholar
• Pedersen, L., Ramussen, K., & Elsass, P. (2012). HCR–20 violence risk assessments as a guide for treating and managing violence risk in a forensic psychiatric setting. Psychology, Crime & Law, 18(8), 733–743. doi:10.1080/1068316X.2010.548814
   Web of Science ®Google Scholar
• Pouls, C., & Jeandarme, I. (2014). Psychopathy in offenders with intellectual disabilities: A comparison of the PCL–R and PCL:SV. International Journal of Forensic Mental Health, 13(3), 207–216. doi:10.1080/14999013.2014.922138
   Web of Science ®Google Scholar
• Pouls, C., Jeandarme, I., & Habets, P. (2014). Risicotaxatie bij daders met een verstandelijke beperking. Eerste toepassing Nederlandstalige VRAG [Risk assessment in offenders with intellectual disability: A first application of the Dutch VRAG]. De Psycholoog, 1, 42–51.
   Google Scholar
• Prout, T. H., & Strohmer, D. C. (1991). Emotional Problems Scales. Lutz, FL: Psychological Assessment Resources.
   Google Scholar
• Quinsey, V. L. (2004). Risk assessment and management in community settings. In W. R. Lindsay, J. L. Taylor, & P. Sturmey (Eds.), Offenders with intellectual disabilities (pp. 131–142). Chichester, UK: Wiley.
   Google Scholar
• Quinsey, V. L., Book, A., & Skilling, T. A. (2004). A follow-up of deinstitutionalized men with intellectual disabilities and histories of antisocial behaviour. Journal of Applied Research in Intellectual Disabilities, 17(4), 243–253. doi:10.1111/j.1468-3148.2004.00216.x
   Web of Science ®Google Scholar
• Quinsey, V. L., Coleman, G., Jones, B., & Altrows, I. (1997). Proximal antecedents of eloping and reoffending among supervised mentally disordered offenders. Journal of Interpersonal Violence, 12(6), 794–813. doi:10.1177/088626097012006002
   Web of Science ®Google Scholar
• Quinsey, V. L., Harris, G. T., Rice, M. E., & Cormier, C. A. (1998). Violent offenders: Appraising and managing risk. Washington, DC: American Psychological Association.
   Google Scholar
• Quinsey, V. L., Harris, G. T., Rice, M. E., & Cormier, C. A. (2006). Violent offenders: Appraising and managing risk. Washington, DC: American Psychological Association.
   Google Scholar
• Rice, M. E., & Harris, G. T. (2005). Comparing effect sizes in follow-up studies: ROC area, Cohen’s d, and r. Law and Human Behavior, 29(5), 615–620. doi:10.1007/s10979-005-6832-7
   PubMed Web of Science ®Google Scholar
• Schalock, R. L., Borthwick-Duffy, S. A., Bradley, V. J., Buntinx, W. H. E., Coulter, D. L., Craig, E. M., & Yeager, M. H. (2010). Intellectual disability: Definition, classification, and systems of supports (11th ed.). Washington, DC: American Association on Intellectual and Developmental Disabilities.
   Google Scholar
• Singh, J. P. (2013). Predictive validity performance indicators in violence risk assessment: A methodological primer. Behavioral Sciences & the Law, 31(1), 8–22. doi:10.1002/bsl.2052
   PubMed Web of Science ®Google Scholar
• Singh, J. P., Desmarais, S. L., Hurducas, C., Arbach-Lucioni, K., Condemarin, C., Dean, K., & Otto, R. K. (2014). International perspectives on the practical application of violence risk assessment: A global survey of 44 countries. International Journal of Forensic Mental Health, 13(3), 193–206. doi:10.1080/14999013.2014.922141
   Web of Science ®Google Scholar
• Singh, J. P., Desmarais, S. L., & Van Dorn, R. A. (2013). Measurement of predictive validity in violence risk assessment studies: A second-order systematic review. Behavioral Sciences & the Law, 31(1), 55–73. doi:10.1002/bsl.2053
   PubMed Web of Science ®Google Scholar
• Singh, J. P., & Fazel, S. (2010). Forensic risk assessment: A metareview. Criminal Justice and Behavior, 37(9), 965–988. doi:10.1177/0093854810374274
   Web of Science ®Google Scholar
• Skeem, J. L., & Monahan, J. (2011). Current directions in violence risk assessment. Current Directions in Psychological Science, 20(1), 38–42. doi:10.1177/0963721410397271
   Web of Science ®Google Scholar
• Steptoe, L. R., Lindsay, W. R., Murphy, L., & Young, S. J. (2008). Construct validity, reliability and predictive validity of the dynamic risk assessment and management system (DRAMS) in offenders with intellectual disability. Legal and Criminological Psychology, 13(2), 309–321. doi:10.1348/135532507X218251
   Web of Science ®Google Scholar
• Szmukler, G., Everitt, B., & Leese, M. (2012). Risk assessment and receiver operating characteristic curves. Psychological Medicine, 42(5), 895–898. doi:10.1017/s003329171100208x
   PubMed Web of Science ®Google Scholar
• Thornton, D., Mann, R., Webster, S., Blud, L., Travers, R., Friendship, C., & Erikson, M. (2003). Distinguishing and combining risks for sexual and violent recidivism. Annals of the New York Academy of Sciences, 989, 225–235. doi:10.1111/j.1749-6632.2003.tb07308.x
   PubMed Web of Science ®Google Scholar
• Though, S. (2001). Validation of two standard assessments (RRASOR, 1997; STATIC-99, 1999) on a sample of adult males who are intellectually disabled with significant cognitive deficits (Master’s Thesis). University of Toronto, Toronto, ON.
   Google Scholar
• Verbrugge, H. M., Goodman-Delahunty, J., & Frize, M. C. J. (2011). Risk assessment in intellectually disabled offenders: Validation of the suggested ID supplement to the HCR–20. International Journal of Forensic Mental Health, 10(2), 83–91. doi:10.1080/14999013.2011.555934
   Google Scholar
• Vojt, G., Thomson, L. D. G., & Marshall, L. A. (2013). The predictive validity of the HCR–20 following clinical implementation: Does it work in practice? The Journal of Forensic Psychiatry & Psychology, 24(3), 371–385. doi:10.1080/14789949.2013.800894
   Web of Science ®Google Scholar
• Webster, C. D., Douglas, K. S., Eaves, D., & Hart, S. D. (1997). HCR–20: Assessing risk for violence (Version 2 ed.). Burnaby, BC: Simon Fraser University.
   Google Scholar
• Webster, C. D., Martin, M. L., Brink, J., Nicholls, T. L., & Middleton, C. (2004). Manual for the Short-Term Assessment of Risk and Treatability (START). Port Coquitlam, BC: Forensic Psychiatric Services Commission and St. Joseph’s Healthcare.
   Google Scholar
• Werkgroep Risicotaxatie Forensische Psychiatrie (2003). Handleiding HKT–30 versie 2002, risicotaxatie in de forensische psychiatrie. Den Haag, The Netherlands: Ministerie van Justitie, Dienst Justitiële Inrichtingen.
   Google Scholar
• Wilcox, D. T. (2004). Treatment of intellectually disabled individuals who have committed sexual offences: A review of the literature. Journal of Sexual Aggression, 10(1), 85–100. doi:10.1080/13552600410001670955
   Google Scholar
• Wilcox, D. T., Beech, A., Markall, H. F., & Blacker, J. (2009). Actuarial risk assessment and recidivism in a sample of UK intellectually disabled sexual offenders. Journal of Sexual Aggression, 15(1), 97–106. doi:10.1080/13552600802578577
   Google Scholar
• Yang, M., Wong, S. C., & Coid, J. (2010). The efficacy of violence prediction: A meta-analytic comparison of nine risk assessment tools. Psychological Bulletin, 136(5), 740–767. doi:10.1037/a0020473
   PubMed Web of Science ®Google Scholar