Investment brief: Correctional alcohol & drug treatment [pdf, 250 KB]
...confirm that both psychological and pharmacological treatment for offenders tend to reduce substance abuse and reoffending.i The majority of the studies conducted in this area are from the United States. Mitchell and others (2012) included 74 separate estimates of effectiveness, of which 88% were from the United States, 5% were from Canada and 4% from Australia. 60% of these studies were published after 1999, which suggests that the results are applicable to modern approa...