Smith and Glass Studied the Outcomes of Psychotherapy in the 1970s

Smith and Glass studied the outcomes of psychotherapy in the 1970s and 1980s. In analyzing the results, they found that __________, and concluded that __________.

A) psychotherapy was ineffective, as there was no benefit of therapy in treatment versus the control group; client-centered therapy was superior to other forms of treatment
B) generally speaking, therapy is better than no therapy; they could not conclude that one form of therapy was superior to the other methods
C) psychotherapy was found to be effective only for anxiety reduction; they could not identify how it works, as no form of therapy was superior to the other methods
D) generally speaking, psychotherapy works; psychoanalysis therapy was superior to the other forms of treatment