Determining the effectiveness of cognitivea？？behavioral therapy on social anxiety reduction of female high school students

The aim of this study was to determine the effectiveness of cognitive–behavioral therapy on social anxiety reduction of female high school students of 1st district of Karaj in 2011.The sample size was comprised on 60 people, according to Cochran’s formula city using multi- stage sampling. Social anxiety questionnaire was used which contains 48 questions with four choices in four subscales (Social Anxiety, Anxiety Performance, Social Avoidance, Avoidance Performance). Cognitive – Behavioral therapy was performed based on8 sessions Cash theoretical model. Every session lasted 90 minutes. The research was semi-experimental, from pretest, posttest type with control group and follow up phase. For data analysis, descriptive and inferential statistics (Covariance, t correlated were used). The findings showed that cognitive - behavioral therapy is effective on body image of the student’s and it has suitable. Stability is over time. The cognitive-behavioral therapy is effective in reduction of social anxiety and has also suitable stability