The Smith et al. (1980)meta-analysis of psychotherapy outcome studies concluded that:
A)Therapies differ substantially in their effectiveness
B)Treated patients are usually better off than control patients not receiving treatment
C)Placebo effects are as strong as treatment effects
D)All of the above

Question

Quizplus · Accepted Answer

The Smith et al. (1980) meta-analysis, a seminal study in the field of psychotherapy research, concluded that patients who receive psychotherapy are generally better off than approximately 75% of those who do not receive treatment. This finding supports the effectiveness of psychotherapy in general, rather than the superiority of specific types of therapy or the equivalence of therapy to placebo effects.

The Smith Et Al