1 / 17

Margaret Giles, PhD

Meta regression analysis framework: the effectiveness of correctional education in reducing recidivism. Margaret Giles, PhD. Paper presented to MAER-Net Colloquium, University of Athens, Greece, 12 September 2014. Take home message.

judah-clayton
Download Presentation

Margaret Giles, PhD

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Meta regression analysis framework: the effectiveness of correctional education in reducing recidivism Margaret Giles, PhD Paper presented to MAER-Net Colloquium, University of Athens, Greece, 12 September 2014

  2. Take home message • Question 1: What study characteristics are driving the difference between effect sizes in studies of the effectiveness of correctional education? • Question 2: How is the effectiveness of correctional education measured? • Recidivism (Davis et al 2013) • Post release employment (Davis et al 2013) • Post release welfare dependence (Giles and Whale 2014)

  3. Studies of effectiveness of correctional education on recidivism • Many • Most show positive effects or NPV > 0 • Study in prison reduces the propensity to offend • Increases the opportunity cost of crime • Reduces impatience/time discount rates so more risk averse • Irrespective of how recidivism is defined • Re-offending • More charges • More and/or longer consecutive custodial sentences • Sentences for more serious offences • Shorter time in the community between consecutive prison terms

  4. Re-incarceration • Time • Within one year • Within two years • Within the limit of the data • Within seven years • Within four years • Within n or N+ years • Offence • Only counted if it is a new offence • Counted for new offence and/or breach of parole or other breaches in relation to previous offence (whatever reason)

  5. Types of data • Justice system data (total offending history) • Same name? • Are previous records good enough? • Prison data • Sample data • Prison AND employment data (Nally et al. 2012) • Matched data (UK Ministry of Justice 2010)

  6. Data and methodology Davis et al 2013 systematic review of 50 studies of the effectiveness of correctional education • Concluded that correctional education does reduce recidivism and is cost effective. • Only US studies • 1 January 1980 to 31 December 2011 • Recidivism, employment and achievement test scores

  7. Figure 1: Frequency distribution of studies by publication date (Davis et al. 2013)

  8. Figure 2: Distribution of odds ratios for effect size estimates (Davis et al. 2013)

  9. Where to from here? • Co-researcher - Dr James Fogarty, The University of Western Australia (Stanley et al. 2013 Guidelines for MRA) • MRA on 50 studies • MRA on 50+ studies • Outside the US (international) • After 31 December 2011 (more recent)

More Related