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California Department of Corrections and Rehabilitation The Parole Violation The Parole Violation Decision- -Making Instrument and the Making Instrument and the Decision California Static Risk Assessment California Static Risk Assessment


  1. California Department of Corrections and Rehabilitation The Parole Violation The Parole Violation Decision- -Making Instrument and the Making Instrument and the Decision California Static Risk Assessment California Static Risk Assessment Parole Violation Decision-Making Instrument Training November 15, 2008 Steven F. Chapman, Ph.D. Assistant Secretary, Office of Research

  2. PVDMI PVDMI Part of an overall strategy designed to reduce risk of recidivism, enhance success on parole, and utilize resources in the most effective manner. • 2006 Expert Panel 2006 Expert Panel— —California Logic Model California Logic Model • • 2007 Rehabilitation Strike Team 2007 Rehabilitation Strike Team • • Little Hoover Commission Little Hoover Commission • • Independent Review Panel Independent Review Panel • California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  3. The PVDMI: Structured The PVDMI: Structured Decision- -Making Tool Making Tool Decision • 2008 survey of 37 parole-granting states found that 32 (86%) used such tools. 1 • 27 used them to set conditions of parole. • 22 used them to determine level of supervision. • 19 states are also adopting such tools to guide responses to violations of parole. 1 Findings From the APAI International Survey of Releasing Authorities, Association of Paroling Authorities International, April 2008 California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  4. Structured Decision- -Making Tool Making Tool Structured Decision Violation Severity Mandatory Low Moderate High Referral Most Mandatory High Referral Intensive Risk Level Mandatory Moderate Referral Least Mandatory Low Referral Intensive California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  5. Violation Severity Violation Severity • Technical and Non-Technical violations are rated for severity. • Ratings are based upon Board of Parole Hearing Standards. • Sex Offenders and High-Risk Sex Offenders have appropriate enhancements. California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  6. Risk to Re- -Offend Offend Risk to Re • DAPO required a risk assessment that was validated on California offenders. • COMPAS was years away from validation. • Pressure was on to produce a solution in weeks or months rather than years. • Decision made to construct the Decision made to construct the • California Static Risk Assessment (CSRA). California Static Risk Assessment (CSRA). California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  7. Constructing the CSRA Constructing the CSRA • Combined effort of: – CDCR Division of Parole Operations – CDCR Research – The 2007 Rehabilitation Strike Team – UCI Center for Evidence-Based Corrections – Washington State Institute for Public Policy – Assessments.com – UCLA California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  8. California Static Risk California Static Risk Assessment Assessment • Computes the risk to re-offend. • Uses static risk indicators—characteristics that do not change—to predict risk. – Gender – Age – Offense History • The CSRA is an actuarial risk tool. California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  9. How Actuarial Risk Prediction Works How Actuarial Risk Prediction Works • Insurers want to know the likelihood that a driver will be in an accident • They use their extensive records data to determine what factors are related to drivers experiencing an accident • The model: Risk (accident)=age + gender + zip code + prior accident history + +… …etc. etc. Risk (accident)=age + gender + zip code + prior accident history California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  10. CSRA Foundations Foundations CSRA • Level of Service Inventory—Revised • Modifications by Robert Barnoski of WSIPP • Elements of the COMPAS • These tools provided the “starting point” for the development of the CSRA California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  11. Construction and Validation Construction and Validation • CDCR research selected 103,000 offenders released in FY 2002-03. • DOJ matched offenders to their arrest histories, prior and subsequent to release. • OISB provided additional offender characteristics data. • DJJ matched for juvenile histories. • DAPO provided violation information. California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  12. Development of the Model Development of the Model • Sample divided randomly into construction and validation groups. • Developed items and weights on the construction group. • Validated instrument on the validation group. California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  13. Results: 22 Items to Predict Results: 22 Items to Predict Recidivism Recidivism • Demographics: Age at release, gender • Number of felony sentences • Felony sentences for murder/ manslaughter, sex, violent, weapons, property, drug and escape offenses • Misdemeanor sentences for assault, sex, weapons, property, drug, alcohol and escape offenses • Revocations of probation or parole supervision California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  14. What does the CSRA predict? What does the CSRA predict? Measures of Re- -offending offending Measures of Re • Arrest – Captures the most criminal behavior. – Most likely to “over-capture.” • Conviction – Highest standard of proof. – In California, instances of criminal behavior do not always result in conviction for a new offense. • Return to Custody – Most direct impact on institutions population. CSRA uses arrest as the outcome-- --most conservative most conservative CSRA uses arrest as the outcome outcome for protection of public safety. outcome for protection of public safety. California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  15. CSRA Scoring CSRA Scoring • Low Risk • Moderate Risk • High Risk in Three Categories: – Violent Re-offending – Property Re-offending – Substance Abuse Re-offending California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  16. CSRA Scores and Recidivism CSRA Scores and Recidivism 100 90 82 82 82 80 69 70 60 Any Felony Percent Drug Felony 48 50 Property Felony Violent Felony 37 40 29 28 30 25 22 21 18 17 17 20 15 15 13 12 10 8 10 0 Low (22%) Moderate (33%) High Drug (9%) High Property (19%) High Violent (17%) "Most Serious Arrest" Rates by Risk Group California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  17. Accuracy Accuracy Recidivism Instrument AUC Sample Source Measure 103,000 103,000 CSRA 0.70 Felony arrest Current CSRA 0.70 Felony arrest Current releases releases 515 California Farabee and COMPAS 0.67 Return to prison parolees Zhang (2007) Re-conviction, re-arrest US Sentencing Criminal History 28,519 Federal 0.68 w/out dispo. available, Commission Computation offenders supervision revocation (2004) 22,533 Wash. LSI-R 0.67 Any conviction WSIPP (2003) offenders Washington 51,648 Wash. Static Risk 0.74 Felony conviction WSIPP (2007 offenders Assessment California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  18. Weaknesses Weaknesses • Decisions are based on aggregate, or group, performance. • Does not include dynamic (changeable) factors. • May be “blind” to important factors that may make a difference, positively or negatively, for the individual. California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  19. Strengths Strengths • Promotes efficiency, consistency and objectivity in decision-making • Has an empirical basis • Is more accurate than practitioner judgment alone • Best results when combined with practitioner judgment California Department of Office of Research Corrections and Rehabilitation July 14, 2009

  20. Importance of Overrides Importance of Overrides • No actuarial tool is 100% accurate all the time. • Overrides are expected. • Question: How many is enough? How many is too much? California Department of Office of Research Corrections and Rehabilitation July 14, 2009

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