The Effects of Drug Treatment in Massachusetts Prisons on Released Offenders' Substance Use and Criminality

Douglas McDonald, Abt Associates Inc.

ABSTRACT
The paper would present the findings of a six year study to follow released prisoners and to estimate the impact of an in-prison drug treatment program on (a) post-release criminality and (b) post-release drug use. The program has been operating in most Massachusetts prisons for several years and is among the most ambitious in the country. Although the initial design was experimental, objections to random assignment scuttled it, and we used a quasi-experimental analytic method instead.

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Updated 05/20/2006