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(författare)
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In the thick of organizations
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Ingår i: Social organizations. - London : Sage. - 0803989202 ; , s. 132-155
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(författare)
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Development and psychometric properties of the Emotional State Questionnaire : a self-report questionnaire for depression and anxiety
- 1999
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Ingår i: Nordic Journal of Psychiatry. - 0803-9488 .- 1502-4725. ; 53:6, s. 443-449
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Tidskriftsartikel (refereegranskat)abstract
- Anxiety and depression are dimensions of emotional state that can be validly assessed with self-report measures. This article introduces a new self-report questionnaire for depression and anxiety (Emotional State Questionnaire (EST-Q)) and presents data on its reliability and validity. The items of the EST-Q were derived from diagnostic criteria of DSM-IV and ICD-10. Thirty-three items were rated on a five-point frequency scale. The questionnaire was administered to 194 inpatients with depressive and anxiety disorders and to a population sample of 479 subjects. According to the results of factor analysis, five subscales were formed: Depression, Anxiety, Agoraphobia-Panic, Fatigue, and Insomnia. EST-Q and subscales showed acceptable internal consistency (alpha = 0.69-0.88). Significant differences in subscales between patients and population and across diagnostic groups confirmed the discriminant validity of the instrument. Depression, Anxiety, and Agoraphobia-Panic subscales distinguished corresponding diagnostic groups. Fatigue and Insomnia appeared to assess nonspecific psychopathology dimensions characteristic of several psychiatric disorders.
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