Subjects were then arbitrarily assigned to four groups . There were three treatment groups , each comprising 15 subjects they received , correspondingly , systematic desensitization , insight oriented psychotherapy , or a placebo treatment . All subjects were treated individually . There was as well a fourth nontreatment "waiting list " control group of 29 subjects . The fifth and final group of 22 subjects comprised a no-contact control group , whose members were equated with the other groups however did not receive the stress assessment and were unaware of...











SUBJECTS

