A Consumer Reports survey of over 180,000 subscribers found each of the following EXCEPT ______

a. no differences in effectiveness were reported among the various forms of
psychotherapy
b. there were no differences in improvement between those who received therapy alone
as opposed to those who received therapy combined with medication
c. longer term therapy was no more effective than shorter term therapy
d. marriage counselors were seen as less effective than psychiatrists, psychologists, and
social workers

C