Smith and Glass (1977)

Smith and Glass (1977)

A) performed a comparative study involving 90 outpatients and found that psychodynamic and behavioral therapy produced better results than no treatment at all.
B) performed a meta-analysis of nearly 400 psychotherapy studies and concluded that psychotherapy is generally effective.
C) published a strong but non-empirical paper criticizing the general effectiveness of psychotherapy.
D) published a strong but non-empirical paper supporting the general effectiveness of psychotherapy.