“…Additionally, these clients are often recidivists because of the chronic, relapsing nature of addiction (McLellan, Lewis, O'Brien, & Kleber, 2000). Further, they typically have complex mental and physical needs that require counselors to coordinate the delivery of additional health services (Kessler, Chiu, Demler, & Walters, 2005;Sacks et al, 1998). These clinical complexities are likely to be highly prevalent in TC settings, as clients in residential programs tend to report more severe problems (Melnick, De Leon, Thomas, & Kressel, 2001).…”