“…Indeed, numerous factors associated with treatment continuation difficulties have been pointed out (Karver, Handelsman, Fields, & Bickman, 2005;SommersFlanagan et al, 2011). Even though accessibility and treatment preparation have been identified as significant dimensions in the successful treatment of adolescents (Anderson & Collier, 1999;Karver, Handelsman, Fields, & Bickman, 2006;Woodberry & Popenoe, 2008), it seems that this knowledge has little impact on the practice of clinicians. Many studies have stressed the importance of three aspects of the therapeutic alliance in adolescent treatment success: agreement on goals, agreement on tasks and relation development (Karver et al, 2006;Zack, Castonguay, & Boswell, 2007).…”