Researcher Hans Eysenck Evaluated the Small Number of Studies Evaluating

Researcher Hans Eysenck evaluated the small number of studies evaluating how well psychology works in 1952. From his analysis of these studies, Eysenck concluded that when dealing with psychological problems, psychotherapy was _____ working through one's problems without therapy.

A) much less effective than
B) no more effective than
C) equally effective as
D) much more effective than