380 likes | 399 Views
The NSW Bureau of Crime Statistics and Research Applied Research in Crime and Justice Conference 2015. Reducing the Criminal Activities of Offenders. Doris Layton MacKenzie, Ph.D Director, Penn State Justice Center for Research and Professor of Criminology.
E N D
The NSW Bureau of Crime Statistics and Research Applied Research in Crime and Justice Conference 2015 Reducing the Criminal Activities of Offenders Doris Layton MacKenzie, Ph.D Director, Penn State Justice Center for Research and Professor of Criminology Based on a paper by D.L. MacKenzie and G. Zajac, “What Works in Corrections: the Impact of Correctional Interventions on Recidivism submitted to the U.S. National Academies of Science, 2014
Reducing the Criminal Activities of OffendersOverview • Changes in correctional philosophy in the U.S. • Impact of changes • Evidence-based corrections • Improvement in quality of research • What Works to reduce recidivism • Fidelity and implementation
1975: Lipton, martinson and Wilks study for New York Correctional System • What Works? • “(with) few and isolated exceptions the rehabilitative efforts that have been reported so far have had no appreciable effect on recidivism.“ • (Martinson, 1974, p25)
Martinson and colleague’s Conclusions • Inadequate research designs and methods • Poorly implemented programs • Impossible to determine from the existing data whether anything could work!!!!!
Times were ripe for change • Social upheavals • Civil rights, women’s rights, sexual freedom • War in Vietnam • Corrections: riots in prison, unfairness of the system • Dramatic change in U.S. corrections • Move away from rehabilitation • More punitive, law and order and get tough • Deterrence and incapacitation
Changes in Philosophy of Corrections • Impact on correctional system • and • What was studied
Impact on Correctional System • Move away from rehabilitation, “Nothing Works” • Use of incapacitation and deterrence • Law and order philosophy U.S. Incarceration Rate in State and Federal Institutions
Changes since Martinson’s Report • Corrections philosophy • Evidence-based corrections • Improvement in quality of research • Emphasis on implementation
Changes in Philosophy • More punitive • Law and order • Incapacitation • Deterrence
Programs/ Interventions • Correctional boot camps • Longer prison sentences • More prison sentences • Urine testing • Intensive supervision
Evidence-based Corrections • Use of science in decision making • Identify effective correctional programs, interventions, strategies • Correctional interventions should be those shown in scientific studies to have the desired impact
What Works in Corrections? • What have we learned from the research? • Focus on reducing recidivism • Examined management strategies, programs, interventions, treatment
Determining What Works • Maryland Report assessments • Quality of research • Significance and direction of effects • Meta-analyses
Maryland Crime Prevention Report • Requested by U.S. Congress • Comprehensive evaluation of effectiveness crime prevention efforts (including corrections) • “What Works, What Doesn’t, What’s Promising” Sherman et. al.
Decision Making Procedure 2 stage assessment Decisions What works What doesn’t work Promising Don’t know • Assess scientific quality and significance • 2. Examine groups of studies
Meta-Analyses • Analysis of a group of studies • Quantitative analysis • Effect sizes • Careful coding of studies • program components • participant characteristics • Quality of research design/ methods
Boot Camp Meta-Analysis Example 29 eligible studies 41 samples – 14 juveniles, 27 adults
Forest Plot from Meta-Analysis: Correctional Boot Camps ◊=Central tendency, lines=confidence intervals
Quality of Research • Many more experiments (random assignment) since Martinson’s report • Experiments with offending outcomes • 35 from 1957-1981 (Farrington) • 83 from 1982-2002 (Farrington and Welsh) • Most meta-analyses control for quality of research • Some meta-analyses use only randomized trials
Improvement BUT Still Relatively Few Randomized Trials • 284 Studies at scientific method score of 2 or higher • Only 14.8 % of the studies scored “5” • 23.2 % scored “2” – too low to use to determine “What Works”
Using Meta-Analyses to Determine What Works • Comprehensive or theoretical meta-analyses • Large number of studies • More inclusive in eligibility criteria • Support for various theoretical perspectives • Identify general principles of treatment and effectiveness • Intervention-specific meta-analyses • Focus on specific types of programs, strategies or interventions • Clearly define • Does the particular type of intervention reduce recidivism? • Campbell Collaboration
Comprehensive Meta-Analyses of Correction Interventions • Programs that follow the proposed principles (Andrews and Bonta 2006) are more effective than others • Behavioral, skill-oriented or multimodal programs are more effective than other types of programs (Andrews, Bonta, Gendreau, Lipsey 1992, Losel 1995) • Therapeutic rehabilitation programs more effective than punitive approaches (control and deterrence) (Lipseyand Cullen 2007; Lipsey 2009) • Programs targeting high risk offenders are more effective (Lipsey 2009) • Well implemented programs are more effective (Lipsey 2009)
Intervention-specific Assessments What works? No evidence, does not work Boot Camps Scared Straight Correctional Industries Work programs Custodial sanctions Intensive supervision Life skills Batterer programs Electronic monitoring • Drug treatment in community and prison • Drug Courts • Education • Vocational Ed • Some Sex offender treatment • Cognitive skills programs
interventions using “get tough” or “law and order” philosophy do not work • Surveillance and control • Deterrence and punitive • Discipline
Why aren’t programs that increase services and opportunities effective? • Offenders are not prepared to take advantage • Don’t stop “street life, alcohol/drug use or partying • Don’t get up to make it to work on time • May not get along with others at work
Individual Transformation Offenders must be changed before they are prepared to take advantage of opportunities in the environment (Giordano and colleagues, Maruna, Shover, Farrall)
We’ve come a long way since martinson • Some programs do work • New and better research techniques
Good News • Some interventions/programs work • Increased number of experiments • Emphasis on evidence-based corrections
Bad news • Many programs/ interventions implemented under “law & order” emphasis have been shown to be ineffective • Quality of research • Long way to go to reach other fields in number of experiments • Meta-analyses search through thousands of studies to find level 3 or above • Fidelity and Implementation still an issue
Fidelity and Implementation • Well-trained staff • Principles of effective programs • Dosage • Risk level • Quality control
Moral Imperatives • Adequate research designs • Well implemented programs and policies • Using evidence about what works
Thank you • Doris Layton MacKenzie • 327 Pond Bldg • Penn State University • University Park, PA • USA • dlm69@psu.edu • 814-867-3292
MacKenzie, D. L. (2005). The importance of using scientific evidence to make decisions about correctional programming. Criminology & Public Policy, 4 (2), 249-258. MacKenzie, D. (2000). Evidence-based corrections: Identifying what works. Crime and Delinquency, 46 (4), 471. MacKenzie, D. L. (2001). Corrections and sentencing in the 21st century: Evidence-based corrections and sentencing. The Prison Journal, 81 (3), 299-312. Campbell Collaboration. http://www.campbellcollaboration.org/crime_and_justice/index.php MacKenzie, D. L. (2002). Reducing the Criminal Activities of Known Offenders and Delinquents: Crime Prevention in the Courts and Corrections. In L. W. Sherman, B. C. Welsh, D. P. Farrington, & D. L. MacKenzie (Eds.), Evidence-Based Crime Prevention (pp. 330-404). London, UK: Harwood Academic Publishers. Reprinted revised edition 2006, NY: Routledge. Sherman, L. W., Welsh, B. C., Farrington, D. P., & MacKenzie, D. L. (Eds.). (2002). Evidence-Based Crime Prevention. London, UK: Harwood Academic Publishers. Reprinted revised edition 2006, NY: Routledge.