Surveying the Effectiveness of Dialectical Behavioral Therapy on Clinical Symptoms, Body Image, Self-Efficacy of People with Bulimia Disorder

Abstract

This research is a semi-experimental research (pretest-posttest with control group) with the purpose of surveying the effectiveness of Dialectical Behavioral Therapy (DBT) on clinical symptoms, self-efficacy and body image of people with bulimia disorder. Statistical population of this study was women with bulimia disorder referred to nutrition clinics in Mashhad. The statistical sample of this research was 40 women with bulimia disorder chosen randomly by convenience sampling method and divided into two groups (20 women in experimental group and 20 women in control group), randomly. Applied tools were clinical symptoms questionnaire made by researcher, Sherer self-efficacy questionnaire and PSDQ (Physical Self-Description Questionnaire). For experimental group, Dialectical Behavior Therapy training sessions were held during 12 sessions, 75 minutes per session. During this time, control group didn’t get any intervention. After the 12th session, research tools performed on subjects again, as posttest. The data of questionnaires were analyzed by descriptive statistic methods of mean and standard deviation, and Inferential statistics of covariance analysis. The results showed that the clinical symptoms of experimental group were decreased comparing to control group, and self-efficacy and self-descriptin were increased.

DOI: 10.5901/mjss.2016.v7n3s3p136