Comparison of the Effectiveness of Online Acceptance and Commitment Therapy and Behavioral Activation Therapy on Perfectionism in Obsessive-Compulsive Patients

The purpose of this study was to compare the effectiveness of Internet-based acceptance and commitment therapy and behavioral activation therapy on perfectionism in obsessive-compulsive patients.
It was a semi-experimental applied research in the form of pre-test and post-test with 2 experimental groups and a control group and a follow-up phase. The statistical population was all people suffering from obsessions who visited the psychotherapy clinics in Mashhad in 2019. According to Cohen's formula, 45 people were randomly selected based on the entry and exit criteria and placed in 3 groups of 15 people (2 experimental groups and one control group) and in three stages of pre-test and post-test and follow-up with Hill's Perfectionism Questionnaire (2004).) replied. The first experimental group underwent 8 sessions of acceptance and commitment therapy by Hayes (2006) on the Internet, and the second experimental group underwent 8 sessions of group behavioral activation therapy by BA Gallen, Etlis and Marlevauconer (2003), and the control group did not receive any treatment. Results It was analyzed by SPSS software.
Analysis of variance with repeated measures showed that online ACT intervention was significantly more effective than behavioral activation therapy on improving perfectionism. This result was sustained in the follow-up phase as well (p<0.05).
Internet Act therapy can be used as a method to reduce perfectionism in obsessive people more widely.