“…The strength of the alliance demonstrates a modest but consistent impact on psychotherapy outcome, with meta-analytic effect sizes ranging from .22 to .27 (Horvath et al, 2011;Horvath & Symonds, 1991;Martin, Garske, & Davis, 2000). Additionally, metaanalytic findings (Tryon & Winograd, 2011) have demonstrated that patient and therapist agreement on the goals and tasks of therapy enhance treatment outcome (p. 34), as does engagement in an active cooperative relationship (p. 33). Researchers have concluded that the working alliance is an essential ingredient in producing therapeutic change (Horvath & Greenberg, 1986;Lambert & Barley, 2001;Lambert & Simon, 2008;Norcross, 2002).…”