“…Several investigations have focused upon aspects of the therapeutic relationship and outcome of treatment: (Lesser, 1961;Tuma & Gustad, 1957;Wogan,1970); attitudes and values (Rosenthal, 1955;Welkowoitz et al, 1967); attitudinal similarity (Beutler, 1971;Beutler et al, 1975); locus of control orientation (Kilman et al, 1975); patient-therapist identification (Melnick, 1972); patient-therapist compatibility (Sapolsky, 1965); statistical matching of patients and therapists on measured personality characteristics (Dougherty, 1976); patient level of functioning and expressiveness of therapists (Rice, 1973). However, the relative importance of these variables in therapy has not been clearly established.…”