“…Looking first to the "bottom line," the successful outcome of psychotherapy, we find strong consensus in the conclusion that the relationship is central to therapeutic change (Beitman et al, 1989;Lambert & Bergin, 1992;Safran, McMain, Crocker, & Murray, 1990). In an analysis of nine major review studies of relationship variables, Patterson (1984) concluded that the evidence in favor of the "necessity if not sufficiency" (p. 437) of positive relationship conditions was as strong as any in the field of psychology. The most recent and comprehensive review of the literature (Orlinsky, Grawe, & Parks, 1994) considered over 2,300 empirical studies and concluded that the most important determinant of outcome is the quality of patient participation in therapy.…”