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A Fundamental Study on Perceived Anxiety Control : From the Viewpoint of Social Anxiety Disorder

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  • 不安のコントロール感に関する基礎的検討 : 社交不安障害の観点から
  • フアン ノ コントロールカン ニ カンスル キソテキ ケントウ : シャコウ フアン ショウガイ ノ カンテン カラ

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Social anxiety disorder (SAD) is known as the most common type of Anxiety Disorder. In recent studies, it was suggested the perceived anxiety control is considered to be a maintaining factor of anxiety disorders, including SAD. Perceived anxiety control is the cognition how individuals perceive that they could control their anxiety responses. In present study, the purpose was to develop the scale to assess the perceived anxiety control, which is the maintaining factor in SAD, and clarify the characteristics of perceived anxiety control in SAD. Undergraduate students (n=251) and SAD patients (n=14) completed a set of questionnaires : the Liebowitz Social Anxiety Scale (LSAS) ; the Social Cost/Probability scale (SCOP) ; the Tri-axial Coping Scale 24-item version (TAC-24) ; and the Perceived Anxiety Control scale (PAC). Exploratory factor analysis by using maximum likelihood method and promax rotation revealed that the PAC consisted of three factors that were named : "Avoidance", "Calm", and "Desire." The Cronbach's α coefficients indicated that each factor of the PAC had a high internal consistency (alpha=.77-.83). Correlation analysis between each scale revealed that each factor score and total scores of the PAC was associated moderately with the scales of SAD symptoms (p<.01). Additionally, t-tests showed that the mean scores of the SCOP and the LSAS in SAD patients and the scores of each factor and of the PAC in SAD patients were higher than college students, except the "Calm" factor of SAD patients was lower than college students (p<.05). In addition, the total scores of PAC in SAD patients was significantly higher (p<.05). These results suggested that SAD patients had high SAD symptoms and low perceived anxiety control. In summary, the present study indicated that SAD patients had low perceived anxiety control. Future studies needs to clarify the relationship between the PAC and each component of SAD. In addition, it was required to examine the difference between SAD and other anxiety disorders.



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