“…There is speculation that a variety of psychosocial and contextual factors may influence adolescents' motivation for change. For example, externalizing behavior disorders, such as conduct disorder, negatively impact treatment response and retention (Galaif, Hser, Grella, & Joshi, 2001;Kaminer, Tarter, Bukstein, & Kabene, 1992), but it is unclear whether externalizing disorders also influence a teen's motivation to reduce substance use behavior. Battjes, Gordon, O'Grady, Kinlock, and Carswell (2003) explored the relationship between motivation ("internal recognition of the need to change") and measures of deviant behavior, including a variety of conduct disorder symptoms, aggressive behavior, and days of illegal activities in the prior 90 days.…”