E-ISSN : 2733-4538
Cognitive behavioral therapy (CBT) is recommended as the treatment of choice for social anxiety disorder (SAD). Despite the well-demonstrated efficacy of CBT, response rates to CBT for SAD are not high; non-response rates are as high as 25~64%. Therefore, finding indicators of treatment response and differences between responders and non-responders seems important for the development of more efficacious treatment. The purpose of this study was to examine indicators of treatment response and compare treatment responders and non-responders to cognitive behavioral group therapy (CBGT) for Koreans with SAD. Thirty-nine individuals who completed 12 sessions of CBGT for SAD were classified as either treatment responders or non-responders according to their post-treatment scores on the Social Phobia Scale (SPS) and the Social Interaction Anxiety Scale (SIAS) and to the median SPS and the SIAS change scores. Treatment responders were defined as those who showed over the median change scores and significant symptom reduction in social anxiety from clinical level to non-clinical level. According to the results, there were no significant differences in demographic and diagnostic characteristics between treatment responders and non-responders in the SPS and the SIAS. However, there were differences in the severity of social interaction anxiety at the beginning of treatment between SPS responders and SPS non-responders and somatic symptoms at the beginning of treatment between SIAS responders and SIAS non-responders. In addition, there were significant differences in the patterns of self-focused attention changes during treatment of SPS responders and SPS non-responders even when controlling for initial group differences. The SIAS responders showed a greater reduction in dysfunctional beliefs and probability judgment bias and the cost judgment bias.
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