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Peyvandi Nezhad N, Pasha R, Askary P, Heidari A. (2018). Examining the efficacy of speech therapy on psychological symptoms and mental abilities in youths with stuttering of Tehran. Journal of Psychological Science. 17(69), 591-599.
URL: http://psychologicalscience.ir/article-1-47-en.html

Background: Speech disorder is one of the most important disorders of growth.that A disorder is considered to be a range of psychological problems. Aims: The purpose of the present study was to investigate the effectiveness of speech therapy method on psychological symptoms (social relationships and anxiety) and psychological abilities (self-confidence and self-concept). Method: The research method used in this study was a semi-experimental method of pre-test and post-test design with control group. The statistical population of the study consisted of all young people aged 20-40 years with stuttering disorders in Tehran. The sample size is 30 people. In each group, 15 subjects were placed Multi-variable covariance analysis was used to analyze the data. results: The results indicated that there was a difference between the mean scores of self-concept, self-esteem, social relationships, and anxiety among speech therapy and control groups (p<0.05).  Conclusions: This means that the speech therapy method has affected self-concept, self-esteem, social relations and anxiety.