Eysenck's Early Study of the Effectiveness of Psychotherapy Showed That

Eysenck's early study of the effectiveness of psychotherapy showed that

A) humanistic therapy was more effective than cognitive-behaviour therapy.
B) psychoanalysis was the least effective of the therapies that he studied.
C) rational-emotive therapy was the most effective of the cognitive-behaviour therapies.
D) none of the different therapies were especially effective.
E) all of the different therapies were equally effective.