“…Studies on motivation, treatment retention and outcomes suggest therapist characteristics to be an important factor in predicting treatment outcome and abstinence from abuse (e.g., Miller, Benefield, & Tonigan, 1993;Nelson-Zlupko, Dore, Kauffman, & Kaltenbach, 1996). Martin et al (1999) also state that many times treatment programs in prisons rise and fall because of prison leadership; findings from this study support such a "therapist effect," as most of the prisoners in our study reported a special relationship with the warden at that time (see Gideon, 2002;Shoham et al, 2006;Weisburd et al, 2005;Weisburd, Shoham, & Gideon, 2002), as implied below:…”