Smith and Glass Analysed the Results of Several Studies of the Effectiveness

Smith and Glass analysed the results of several studies of the effectiveness of psychotherapy and concluded that those participants in psychotherapy outcome research who were actually given therapy did

A) worse than those in control groups who received drug treatment
B) better than those in control groups who received no treatment
C) better than those in drug groups who received placebo
D) worse than those in placebo groups given psychoanalysis