Dividing depression and anxiety symptoms into three groups : Development of the Multidimensional Depression-Anxiety Symptom Scale

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  • 3要因モデルに基づく, 抑うつならびに不安症状の分類 : 多次元抑うつ不安症状尺度の作成
  • 3 ヨウイン モデル ニ モトヅク ヨクウツ ナラビニ フアン ショウジョウ ノ ブンルイ タジゲンヨクウツ フアン ショウジョウ シャクド ノ サクセイ

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Abstract

Clark & Watson(1991)proposed a tripartite model of depression and anxiety that divided related symptoms into three groups : symptoms of high negative afect that are commonly experienced by both the depressed and anxious, manifestations of low positve affect that are specific to depression, and symptoms of autonomic arousal that are relatively unique to anxiety. In the present study we constructed a multidimensional depression and anxiety symptom scale(MDAS)to assess depression and anxiety symptoms based on the tripartite model. Four hundred sixty-three(463)undergranduates completed the MDAS during psychology classes. Exploratory factor analysis revealed three factors : negative affect(NA), physiological arousal(AR), and positive affect(PA). NA was found to correlate moderately with the other two factors, but the correlation between the two specific factors was close to zero. Additional data found correlations with other scales that were consistent with the predictions of the tripartite model.

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