“…Also, Campbell (1997) Over the last decade a number of research studies and reviews have been published that specifically assess and demonstrate the effectiveness of prison-based therapeutic communities in reducing drug use and/or recidivism (e.g., Pearson and Lipton, 1999;Siegel, Wang, Carlson, Falck, Rahman, and Fine, 1999;Wexler, DeLeon, Thomas, Kressel and Peters, 1999;Inciardi, Martin, Butzin, Hooper and Harrison, 1997;Hartmann, Wolk, Johnston and Colyer, 1997;Knight, Simpson, Chatham and Camacho, 1997;Inciardi, 1995;Wexler, Lipton, Fallun and Rosenblum, 1995;Tims, DeLeon and been published by the Department. Opinions or points of view expressed are those of the author(s) Jainchill, 1994;Lipton, Falkin and Wexler, 1992;Wexler, Falkin and Lipton, 1990).…”