Assessing violence risk and psychopathy in juvenile and adult offenders: A survey of clinical practices

Assessment

Volumn 17, Issue 3, 2010, Pages 377-395

  Viljoen, Jodi L ^a   McLachlan, Kaitlyn ^a   Vincent, Gina M ^b  

^a SIMON FRASER UNIVERSITY   (Canada)

^b UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL   (United States)

Author keywords

Forensic assessment; Juvenile offenders; Offenders; Psychopathy; Risk assessment

Indexed keywords

ADOLESCENT; ADULT; AGE; ARTICLE; CANADA; CLASSIFICATION; FEMALE; FORENSIC PSYCHIATRY; HEALTH CARE SURVEY; HUMAN; INTELLIGENCE TEST; JUVENILE DELINQUENCY; MALE; MIDDLE AGED; OFFENDER; PREDICTIVE VALUE; PSYCHOLOGIC TEST; PSYCHOLOGICAL ASPECT; PSYCHOMETRY; PSYCHOPATHY; RISK ASSESSMENT; STATISTICS; UNITED STATES; VIOLENCE;

ADOLESCENT; ADULT; AGE FACTORS; ANTISOCIAL PERSONALITY DISORDER; CANADA; CRIMINALS; FEMALE; FORENSIC PSYCHIATRY; HEALTH CARE SURVEYS; HUMANS; INTELLIGENCE TESTS; JUVENILE DELINQUENCY; MALE; MIDDLE AGED; PREDICTIVE VALUE OF TESTS; PSYCHOLOGICAL TESTS; PSYCHOMETRICS; RISK ASSESSMENT; UNITED STATES; VIOLENCE; YOUNG ADULT;

EID: 77955235729     PISSN: 10731911     EISSN: 15523489     Source Type: Journal    
DOI: 10.1177/1073191109359587     Document Type: Article

References (130)

1. Achenbach, T.M. (1991). Manual for the Youth Self-Report and 1991 profile. Burlington: University of Vermont, Department of Psychiatry.
2. Achenbach, T. (1992). Manual for the Child Behavior Checklist/2-3 and 1992 profile. Burlington: University of Vermont, Department of Psychiatry.
3. Achenbach, T.M., & Rescorla, L.A. (2001). Manual for ASEBA school-age forms and profiles. Burlington: University of Vermont, Research Center for Children, Youth, & Families.
4. Ackerman, M., & Ackerman, M. (1997). Custody evaluation practices: A survey of experienced professionals (revisited). Professional Psychology: Research and Practice, 28, 137-145.
5. Ægisdóttir, S., White, M.J., Spengler, P.M., Maugherman, A.S., Anderson, L.A., Cook, R.S.,et al.(2006). The meta-analysis of clinical judgment project: Fifty-six years of accumulated research on clinical versus statistical prediction. The Counseling Psychologist, 34, 341-382.
6. Amenta, A. (2006). The assessment of sex offenders for civil commitment proceedings: An analysis of report content. Dissertation Abstracts International, 67, 528B.
7. American Academy of Child and Adolescent Psychiatry. (1997a). Practice parameters for child custody evaluation. Retrieved August 25, 2008, from http://www.aacap.org/cs/root/member_information/practice_information/practice_parameters/practice_parameters.
8. American Academy of Child and Adolescent Psychiatry. (1997b). Practice parameters for forensic evaluation of children and adolescents who may have been physically or sexually abused. Retrieved August 25, 2008, from http://www.aacap.org/cs/root/member_information/practice_information/practice_parameters/practice_parameters.
9. American Psychological Association. (1994). Guidelines for child custody evaluations in divorce proceedings. American Psychologist, 49, 677-680.
10. American Psychological Association. (2002). Ethical principles of psychologists and code of conduct. American Psychologist, 57, 1060-1073.
11. American Psychological Association's Committee on Professional Practice and Standards. (1999). Guidelines for psychological evaluations in child protection matters. American Psychologist, 54, 586-593.
12. Andrews, D.A., & Bonta, J.L. (1995). The Level of Service Inventory-Revised. Toronto, Ontario, Canada: Multi-Health Systems.
13. Archer, R., Buffington-Vollum, J., Stredny, R., & Handel, R. (2006). A survey of psychological test use patterns among forensic psychologists. Journal of Personality Assessment, 87, 84-94.
14. Boccaccini, M., Murrie, D., Clark, J., & Cornell, D. (2008). Research report: Describing, diagnosing, and naming psychopathy: How do youth psychopathy labels influence jurors? Behavioral Sciences & the Law, 26, 487-510.
15. Boer, D.P., Hart, S.D., Kropp, P.R., & Webster, C.D. (1997). Manual for the Sexual Violence Risk-20 (SVR-20): Professional guidelines for assessing risk of sexual violence. Vancouver, Canada: British Columbia Institute Against Family Violence.
16. Borum, R. (1996). Improving the clinical practice of violence risk assessment: Technology, guidelines, and training. American Psychologist, 51, 945-956.
17. Borum, R., Bartel, P., & Forth, A. (2003). Manual for the Structured Assessment of Violence Risk in Youth, version 1.1. Tampa: University of South Florida.
18. Borum, R., & Grisso, T. (1995). Psychological test use in criminal forensic evaluations. Professional Psychology: Research and Practice, 26, 465-473.
19. Borum, R., & Verhaagen, D. (2006). Assessing and managing violence risk in juveniles. New York: Guilford Press.
20. Bow, J. (2006). Review of empirical research on child custody practice. Journal of Child Custody, 3, 23-50.
21. Bow, J., & Quinnell, F. (2001). Psychologists' current practices and procedures in child custody evaluations: Five years after American Psychological Association guidelines. Professional Psychology: Research and Practice, 32, 261-268.
22. Bow, J., Quinnell, F., Zaroff, M., & Assemany, A. (2002). Assessment of sexual abuse allegations in child custody cases. Professional Psychology: Research and Practice, 33, 566-575.
23. Butcher, J.N., Williams, C.L., Graham, J.R., Archer, R.P., Tellegen, A., Ben-Porath, Y.S.,et al.(1992). Minnesota Multiphasic Personality Inventory-Adolescent (MMPI-A): Manual for administration, scoring, and interpretation. Minneapolis: University of Minnesota Press.
24. Caldwell, M. (2002). What we do not know about juvenile sexual reoffense risk. Child Maltreatment, 7, 291-302.
25. Chauhan, P., Reppucci, N.D., & Burnette, M.L. (2007). Application and impact of the psychopathy label to juveniles. International Journal of Forensic Mental Health, 6, 3-14.
26. Committee on the Revision of the Specialty Guidelines for Forensic Psychology. (2008). Specialty guidelines for forensic psychology: February 2008 draft. Retrieved May 1, 2009, from http://www.ap-ls.org/links/professionalsgfp.html.
27. Conroy, M., & Murrie, D. (2007). Forensic assessment of violence risk: A guide for risk assessment and risk management. Hoboken, NJ: Wiley.
28. Cunningham, M.D., & Reidy, T.J. (2001). A matter of life or death: Special considerations and heightened practice standards in capital sentencing evaluations. Behavioral Sciences & the Law, 19, 473-490.
29. Daubert v. Merrell Dow Pharmaceuticals, 509 U.S. 579 (1993).
30. DeMatteo, D., & Edens, J. (2006). The role and relevance of the Psychopathy Checklist-Revised in court: A case law survey of U.S. courts (1991-2004). Psychology, Public Policy, and Law, 12, 214-241.
31. Douglas, K., Cox, D., & Webster, C. (1999). Violence risk assessment: Science and practice. Legal and Criminological Psychology, 4, 149-184.
32. Douglas, K., Ogloff, J., & Hart, S. (2003). Evaluation of a model of violence risk assessment among forensic psychiatric patients. Psychiatric Services, 54, 1372-1379.
33. Edens, J.F. (2001). Misuses of the Hare Psychopathy Checklist- Revised in court: Two case examples. Journal of Interpersonal Violence, 16, 1082-1093.
34. Edens, J.F. (2006). Unresolved controversies concerning psychopathy: Implications for clinical and forensic decision making. Professional Psychology: Research and Practice, 37, 59-65.
35. Edens, J.F., Buffington-Vollum, J.K., Keilen, A., Roskamp, P., & Anthony, C. (2005). Predictions of future dangerousness in capital murder trials: Is it time to disinvent the wheel? Law and Human Behavior, 29, 55-86.
36. Edens, J.F., Campbell, J.S., & Weir, J.M. (2007). Youth psychopathy and criminal recidivism: A meta-analysis of the psychopathy checklist measures. Law and Human Behavior, 31, 53-75.
37. Edens, J., Colwell, L.H., Desforges, D.M., & Fernandez, K. (2005). The impact of mental health evidence on support for capital punishment: Are defendants labeled psychopathic considered more deserving of death? Behavioral Sciences & the Law, 23, 603-625.
38. Edens, J.F., Marcus, D.K., Lilienfeld, S.O., & Poythress, N.G., Jr. (2006). Psychopathic, not psychopath: Taxometric evidence for the dimensional structure of psychopathy. Journal of Abnormal Psychology, 115, 131-144.
39. Edens, J.F., & Petrila, J. (2006). Legal and ethical issues in the assessment and treatment of psychopathy. In C. J. Patrick (Ed.,) Handbook of psychopathy (pp. 573-588). New York: Guilford Press.
40. Edens, J.F., Skeem, J.L., Cruise, K.R., & Cauffman, E. (2001). Assessment of juvenile psychopathy and its association with violence: A critical review. Behavioral Sciences & the Law, 19, 53-80.
41. Edens, J.F., & Vincent, G.M. (2008). Juvenile psychopathy: A clinical construct in need of restraint. Journal of Forensic Psychology Practice, 8, 186-197.
42. Forth, A.E., Kosson, D., & Hare, R.D. (2003). The Hare PCL: Youth Version. Toronto, Ontario, Canada: Multi-Health Systems.
43. Frick, P., Kimonis, E., Dandreaux, D., & Farell, J. (2003). The 4-year stability of psychopathic traits in non-referred youth. Behavioral Sciences & the Law, 21, 713-736.
44. Frye v. United States, 293 F. 1013 (D.C. Cir. 1923).
45. Gacono, C. (2000). The clinical and forensic assessment of psychopathy: A practitioner's guide. Mahwah, NJ: Lawrence Erlbaum.
46. Garmezy, N., Masten, A., & Tellegen, A. (1984). The study of stress and competence in children: A building block for developmental psychopathology. Child Development, 55, 97-111.
47. Gendreau, P., Goggin, C., & Smith, P. (2002). Is the PCL-R really the unparalleled measure of offender risk? A lesson in knowledge cumulation. Criminal Justice and Behavior, 29, 397-426.
48. Grann, M., & Pallvik, A. (2002). An empirical investigation of written risk communication in forensic psychiatric evaluations. Psychology, Crime & Law, 8, 113-130.
49. Grisso, T. (1998). Forensic evaluations of juveniles. Sarasota, FL: Professional Resource Exchange.
50. Grisso, T. (2004). Double jeopardy: Adolescent offenders with mental disorders. Chicago: University of Chicago Press.
51. Grisso, T., & Barnum, R. (2006). Massachusetts Youth Screening Instrument-Version 2: User's manual and technical report. Sarasota, FL: Professional Resource Exchange.
52. Grisso, T., & Vincent, G.M. (2005). The empirical limits of forensic mental health assessment. Law and Human Behavior, 29, 1-5.
53. Grisso, T., Vincent, G.M., & Seagrave, D. (2005). Mental health screening and assessment in juvenile justice. New York: Guilford Press.
54. Grove, W.M., Zald, D.H., Lebow, B.S., Snitz, B.E., & Nelson, C. (2000). Clinical versus mechanical prediction: A meta-analysis. Psychological Assessment, 12, 19-30.
55. Guy, L.S. (2008). Performance indicators of the structured professional judgment approach for assessing risk for violence to others: A meta-analytic survey. Unpublished doctoral dissertation, Simon Fraser University, Burnaby, British Columbia, Canada.
56. Guy, L.S., & Yusem, M.H. (2009, March). Assessment of juveniles' risk for violence: A quantitative synthesis. Paper presented at the Annual Conference of the American Psychology-Law Society, San Antonio, TX.
57. Hanson, R.K., & Harris, A.J.R., Scott, T.-L., & Helmus, L. (2007). Assessing the risk of sexual offenders on community supervision: The Dynamic Supervision Project. Ottawa, Ontario, Canada: Department of the Solicitor General of Canada.
58. Hanson, R.K., & Morton-Bourgon, K.E. (2009). The accuracy of recidivism risk assessments for sexual offenders: A meta-analysis of 118 prediction studies. Psychological Assessment, 21, 1-21.
59. Hanson, R.K., & Thornton, D. (1999). Static-99: Improving actuarial risk assessments for sex offenders (User Rep. 1999-02.) Ottawa, Ontario, Canada: Department of the Solicitor General of Canada.
60. Hare, R.D. (1991). The Hare Psychopathy Checklist-Revised. Toronto, Ontario, Canada: Multi-Health Systems.
61. Hare, R.D. (2003). Manual for the Revised Psychopathy Checklist (2nd ed.). Toronto, Ontario, Canada: Multi-Health Systems.
62. Harris, G.T., Rice, M.E., & Quinsey, V.L. (1993). Violent recidivism of mentally disordered offenders: The development of a statistical prediction instrument. Criminal Justice and Behavior, 20, 315-335.
63. Hart, S.D. (1998). The role of psychopathy in assessing risk for violence: Conceptual and methodological issues. Legal and Criminological Psychology, 3, 121-137.
64. Hart, S.D., Cox, D.N., & Hare, R.D. (1995). Manual for the Hare Psychopathy Checklist: Screening Version (PCL:SV). Toronto, Ontario, Canada: Multi-Health Systems.
65. Hart, S.D., Michie, C., & Cooke, D.J. (2007). Precision of actuarial risk assessment instruments: Evaluating the margins of error of group v. individual predictions of violence. British Journal of Psychiatry, 190, s60-s65.
66. Hathaway, S., & McKinley, J.C. (1989). Minnesota Multiphasic Personality Inventory (MMPI-2). Columbus, OH: Merrill/ Prentice Hall.
67. Heilbrun, K. (2001). Principles of forensic mental health assessment. New York: Kluwer Academic/Plenum.
68. Heilbrun, K., O'Neill, M., Stevens, T., Strohman, L., Bowman, Q., & Lo, Y. (2004). Assessing normative approaches to communicating violence risk: A national survey of psychologists. Behavioral Sciences & the Law, 22, 187-196.
69. Heilbrun, K., O'Neill, M., Strohman, L., Bowman, Q., & Philipson, J. (2000). Expert approaches to communicating violence risk. Law and Human Behavior, 24, 137-148.
70. Heilbrun, K., Philipson, J., Berman, L., & Warren, J. (1999). Risk communication: Clinicians' reported approaches and perceived values. Journal of the American Academy of Psychiatry and the Law, 27, 397-406.
71. Hilton, N., Carter, A., Harris, G., & Sharpe, A. (2008). Does using nonnumerical terms to describe risk aid violence risk communication? Clinician agreement and decision making. Journal of Interpersonal Violence, 23, 171-188.
72. Hilton, N., Harris, G., & Rice, M. (2006). Sixty-six years of research on the clinical versus actuarial prediction of violence. The Counseling Psychologist, 34, 400-409.
73. Hoge, R., Andrews, D.A., & Leschied, A. (2002). Youth Level of Service/Case Management Inventory: YLS/CMI manual. Toronto, Ontario, Canada: Multi-Health Systems.
74. Jackson, R. (2008). Learning forensic assessment. New York: Routledge.
75. Jackson, R., & Hess, D.T. (2007). Evaluation for civil commitment of sex offenders: A survey of experts. Sexual Abuse: A Journal of Research and Treatment, 19, 425-448.
76. Jesness, C.F. (1996). The Jesness Inventory manual. North Tonawanda, NY: Multi-Health Systems.
77. Jessor, R., Van Den Bos, J., Vanderryn, J., Costa, F., & Turbin, M. (1995). Protective factors in adolescent problem behavior: Moderator effects and developmental change. Developmental Psychology, 31, 923-933.
78. Joinson, A.N., & Reips, U. (2005). Personalized salutation, power of sender and response rates to Web-based surveys. Computers in Human Behavior, 23, 1372-1383.
79. Jones, S., & Cauffman, E. (2008). Juvenile psychopathy and judicial decision making: An empirical analysis of an ethical dilemma. Behavioral Sciences & the Law, 26, 151-165.
80. Kaufman, A.S., & Kaufman, N.L. (1990). Kaufman Brief Intelligence Test. Circle Pines, MN: American Guidance Service.
81. Kropp, P.R., Hart, S.D., Webster, C.D., & Eaves, D. (1995). Manual for the Spousal Assault Risk Assessment Guide (2nd ed.). Vancouver, Canada: British Columbia Institute on Family Violence.
82. Lally, S. (2003). What tests are acceptable for use in forensic evaluations? A survey of experts. Professional Psychology: Research and Practice, 34, 491-498.
83. Leistico, A., Salekin, R., DeCoster, J., & Rogers, R. (2008). A large-scale meta-analysis relating the Hare measures of psychopathy to antisocial conduct. Law and Human Behavior, 32, 28-45.
84. Lidz, C.W., Mulvey, E.P., & Gardner, W. (1993). The accuracy of predictions of violence to others. Journal of the American Medical Association, 269, 1007-1011.
85. Luthar, S., & Zigler, E. (1991). Vulnerability and competence: A review of research on resilience in childhood. American Journal of Orthopsychiatry, 61, 6-22.
86. Lynam, D., Caspi, A., Moffitt, T., Loeber, R., & Stouthamer-Loeber, M. (2007). Longitudinal evidence that psychopathy scores in early adolescence predict adult psychopathy. Journal of Abnormal Psychology, 116, 155-165.
87. Melton, G.B., Petrila, J., Poythress, N.G., Slobogin, C., Lyons, P., & Otto, R. (2007). Psychological evaluations for the courts: A handbook for mental health professionals and lawyers (3rd ed.). New York: Guilford Press.
88. Millon, T. (1994). Millon Clinical Multiaxial Inventory-III manual. Minneapolis, MN: National Computer Systems.
89. Millon, T., Millon, C., & Davis, R. (1993). Millon Adolescent Clinical Inventory. Minneapolis, MN: National Computer Systems.
90. Monahan, J., & Steadman, H. (1996). Violent storms and violent people: How meteorology can inform risk communication in mental health law. American Psychologist, 51, 931-938.
91. Morey, L.C. (2007). Personality Assessment Inventory (PAI) professional manual (2nd ed.). Odessa, FL: Psychological Assessment Resources.
92. Murrie, D., Boccaccini, M., Johnson, J., & Janke, C. (2008). Does interrater (dis)agreement on Psychopathy Checklist scores in sexually violent predator trials suggest partisan allegiance in forensic evaluations? Law and Human Behavior, 32, 352-362.
93. Murrie, D., Boccaccini, M., McCoy, W., & Cornell, D. (2007). Diagnostic labeling in juvenile court: How do descriptions of psychopathy and conduct disorder influence judges? Journal of Clinical Child and Adolescent Psychology, 36, 228-241.
94. Murrie, D., Boccaccini, M., Turner, D., Meeks, M., Woods, C., & Tussey, C. (2009). Rater (dis)agreement on risk assessment measures in sexually violent predator proceedings: Evidence of adversarial allegiance in forensic evaluation? Psychology, Public Policy, and Law, 15, 19-53.
95. Murrie, D., Cornell, D., & McCoy, W. (2005). Psychopathy, conduct disorder, and stigma: Does diagnostic labeling influence juvenile probation officer recommendations? Law and Human Behavior, 29, 323-342.
96. Murrie, D., Marcus, D., Douglas, K., Lee, Z., Salekin, R., & Vincent, G. (2007). Youth with psychopathy features are not a discrete class: A taxometric analysis. Journal of Child Psychology and Psychiatry, 48, 714-723.
97. Nicholson, R., & Norwood, S. (2000). The quality of forensic psychological assessments, reports, and testimony: Acknowledging the gap between promise and practice. Law and Human Behavior, 24, 9-44.
98. Otto, R., & Heilbrun, K. (2002). The practice of forensic psychology: A look toward the future in light of the past. American Psychologist, 57, 5-18.
99. Prentky, R., & Righthand, S. (2003). Juvenile Sex Offender Assessment Protocol II (J-SOAP-II) manual. Washington, DC: U.S. Department of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention.
100. Quinnell, F., & Bow, J. (2001). Psychological tests used in child custody evaluations. Behavioral Sciences & the Law, 19, 491-501.
101. Quinsey, V.L., Harris, G.T., Rice, M.E., & Cormier, C.A. (1998). Violent offenders: Appraising and managing risk. Washington, DC: American Psychological Association.
102. Quinsey, V.L., Harris, G.T., Rice, M.E., & Cormier, C.A. (2006). Violent offenders: Appraising and managing risk (2nd ed.). Washington, DC: American Psychological Association.
103. Revised Code of Washington. 10.77.060 (n.d.).
104. Rockett, J., Murrie, D., & Boccaccini, M. (2007). Diagnostic labeling in juvenile justice settings: Do psychopathy and conduct disorder findings influence clinicians? Psychological Services, 4, 107-122.
105. Rogers, R. (2000). The uncritical acceptance of risk assessment in forensic practice. Law and Human Behavior, 24, 595-605.
106. Rorschach, H. (1942). Psychodiagnostics (5th ed.). Berne, Switzerland: Verlag Hans Huber.
107. Rutter, M. (1987). Psychosocial resilience and protective mechanisms. American Journal of Orthopsychiatry, 57, 316-331.
108. Ryba, N., Cooper, V., & Zapf, P. (2003). Juvenile competence to stand trial evaluations: A survey of current practices and test usage among psychologists. Professional Psychology: Research and Practice, 34, 499-507.
109. Salekin, R.T., Rogers, R., & Ustad, K.L. (2001). Juvenile waiver to adult criminal courts: Prototypes for dangerousness, sophistication-maturity, and amenability to treatment. Psychology, Public Policy, and Law, 7, 381-408.
110. Salekin, R.T., Yff, R.M.A., Neumann, C.S., Leistico, A.R., & Zalot, A.A. (2002). Juvenile transfer to adult courts: A look at the prototypes for dangerousness, sophistication-maturity, and amenability to treatment through a legal lens. Psychology, Public Policy, and Law, 8, 373-410.
111. Schaefer, D.R., & Dillman, D.A. (1998). Development of a standard e-mail methodology: Results of an experiment. Public Opinion Quarterly, 62, 378-397.
112. Shipley, W.C. (1940). A self-administering scale for measuring intellectual impairment and deterioration. Journal of Psychology, 9, 371-377.
113. Slovic, P., & Monahan, J. (1995). Probability, danger, and coercion: A study of risk perception and decision making in mental health law. Law and Human Behavior, 19, 49-65.
114. Slovic, P., Monahan, J., & MacGregor, D.G. (2000). Violence risk assessment and risk communication: The effects of using actual cases, providing instruction, and employing probability versus frequency formats. Law and Human Behavior, 24, 271-296.
115. Toch, H. (1998). Psychopathy or antisocial personality in forensic settings. In T. Millon, E. Simonsen, M. Birket-Smith, & R. Davis (Eds.), Psychopathy: Antisocial, criminal, and violent behavior (pp. 144-158). New York: Guilford Press.
116. Tolman, A., & Mullendore, K. (2003). Risk evaluations for the courts: Is service quality a function of specialization? Professional Psychology: Research and Practice, 34, 225-232.
117. Tolman, A., & Rotzien, A. (2007). Conducting risk evaluations for future violence: Ethical practice is possible. Professional Psychology: Research and Practice, 38, 71-79.
118. Vidal, S., & Skeem, J. (2007). Effect of psychopathy, abuse, and ethnicity on juvenile probation officers' decision-making and supervision strategies. Law and Human Behavior, 31, 479-498.
119. Vincent, G.M. (2006). Psychopathy and violence risk assessment in youth. Child and Adolescent Psychiatric Clinics of North America, 15, 407-428.
120. Vincent, G.M., Terry, A., & Maney, S. (2009). Risk/needs tools for antisocial behavior and violence among youthful populations (pp. 377-423). In J. Andrade (Ed.), Handbook of violence risk assessment and treatment for forensic mental health practitioners. New York: Springer.
121. Vitacco, M.J., & Vincent, G.M. (2006). Applying adult concepts to youthful offenders: Psychopathy and its implications for risk assessment and juvenile justice. International Journal of Forensic Mental Health Services, 5, 29-38.
122. Webster, C.D., Douglas, K.S., Eaves, D., & Hart, S.D. (1997). HCR-20: Assessing risk for violence, version 2. Burnaby, British Columbia, Canada: Simon Fraser University, Mental Health, Law, & Policy Institute.
123. 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). Version 1.0, Consultation edition. Hamilton, Ontario, Canada: St. Joseph's Healthcare and Port Coquitlam, British Columbia, Canada: Forensic Psychiatric Services Commission.
124. Wechsler, D. (1997). The Wechsler Adult Intelligence Scale (3rd ed.). San Antonio, TX: The Psychological Corporation.
125. Wechsler, D. (1999). Wechsler Abbreviated Scale of Intelligence. San Antonio, TX: The Psychological Corporation.
126. Wechsler, D. (2003). Wechsler Intelligence Scale for Children (4th ed.). San Antonio, TX: The Psychological Corporation.
127. Wilkinson, G.S. (1993). Wide-Range Achievement Test (WRAT-3) (3rd ed.). Richmond Hill, Ontario, Canada: Psycan Corporation.
128. Wilkinson, G.S., & Robertson, G.J. (2006). Wide Range Achievement Test-4. Lutz, FL: Psychological Assessment Resources.
129. Worling, J.R., & Curwen, T. (2001). Estimate of Risk of Adolescent Sexual Offense Recidivism, Version 2.0. Toronto, Canada: Ontario Ministry of Community and Social Services.
130. Zachary, R.A. (1986). Shipley Institute of Living Scale. Revised manual. Los Angeles: Western Psychological Services.