“…The efficacy of 12-step programs and 12-step-oriented treatments in the treatment of dually diagnosed individuals (DDI) is less clear, in spite of the fact that they have been included in many programs and models described in the literature (Chatlos, 1989;Chiauzzi, 1994;Edens, Peters, et al, 1997;Franco, Galanter, et al, 1995;Galanter, 2000;Katz, 1999;Minkoff, 1989;Minkoff, 2001;Mowbray, Solomon, et al, 1995;RachBeisel, Scott, et al, 1999).…”