the effectiveness of cognitive-behavioral therapy on differentiation, dependence and modification of cognitive errors in teenage girlswith anorexia nervosa

Introduction: the aim of this study was to evaluate the effectiveness of cognitive-behavioral therapy on differentiation, dependence and modulation of cognitive errors in female teenagers with anorexia nervosa.methods: this study was experimental applied research which has been done in the form of a three-group experimental design with pre-tests and post-tests. all subjects (applying independent variables) were simultaneously pre-tested before performing the test and then a group of subjects (first experimental group) as cognitive-behavioral group and a group of subjects (second experimental group) as psychotherapy group were treated in the manner of psychodrama. no intervention was performed in the control group. the statistical population includes 150 female teenagers who refer to nutrition clinics and psychology clinics and treatment centers in isfahan. among these teenagers, 60were selected completely randomly and were distributed in three groups (two experimental groups and one control group). alistair metacognitive questionnaires, collins and read revised adult attachment scale (raas) and high-risk behaviors questionnaire were used in order to collect information. data analysis was performed based on research hypotheses, using descriptive and inferential statistics (linear regression). hypotheses analysis was done by pearson correlation coefficient and multivariate regression. spss 16 software was used to analyze data and hypotheses.results and conclusion: the results show it can be concluded that psychological-behavioral therapy had a valid effect on reducing anorexia nervosa in teenagers and also cognitive-behavioral method had an efficient effect on differentiation, dependence and modulation of cognitive errors in teenagers with anorexia nervosa .