Zusammenfassung
Fragestellung: Die K10-Skala für unspezifischen psychischen Distress von Kessler et al. [9] ist eine sehr leistungsfähige Skala für das Screening nach psychischen Störung. Die teststatistischen Eigenschaften der deutschen Fassung und ihre Diskriminationsfähigkeit werden hier wiedergegeben. Methode: Ausgehend von einer Stichprobe von 600 Patienten und einer Stichprobe von 341 Studenten wurden die Homogenität der Items überprüft, durch den Vergleich mit dem BSI [5] und dem STAI [10] die konvergente Validität bestimmt, eine Receiver Operator Characteristic (ROC) Analyse durchgeführt und Stratum-specific Likelihood Ratios (SSLRs) berechnet. Ergebnisse: Es ergab sich eine gute interne Konsistenz der Skala (Cronbachs Alpha 0,90 bzw. 0,80), zufrieden stellende Zusammenhänge mit inhaltlich verwandten Skalen (Korrelation mit der State-Angst-Skala des STAI 0,68 und mit der Skala GSI des BSI 0,71) und eine sehr gute Diskriminationsfähigkeit (AUC = 0,88). Diskussion: Die deutsche Fassung der K10-Skala weist teststatistische Eigenschaften auf, die mit denen der amerikanischen Originalfassung vergleichbar sind. Damit stellt sie ein zuverlässiges Instrument für die Erfassung von unspezifischem psychischem Distress im klinischen Alltag dar.
Abstract
Objectives The “K-10” [9] represents an internationally accepted self-assessment instrument for psychological distress. A German translation of the questionnaire is presented and its construct properties are evaluated. In addition, the receiver operator characteristic’s are assessed. Methods Psychometric testing was performed in a sample of 600 psychotherapeutic outpatients and 341 medical students. Convergent validity was assessed in relation to the BSI [5] and STAI [10]. Results The internal consistency of the instrument (Cronbachs Alpha 0.90 – 0.80) and the convergent validity were satisfactory. Validity of the K-10 regarding the detection of mental disorders was compared using ROC analysis with areas under the curve (AUC = 0.88). Conclusion We conclude that the German version of the K-10 represents a useful and reliable screening and research instrument for the assessment of psychological distress.
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Giesinger, J., Rumpold, M.G. & Schüßler, G. Die K10-Screening-Skala für unspezifischen psychischen Distress. Psychosom Konsiliarpsychiatr 2, 104–111 (2008). https://doi.org/10.1007/s11800-008-0100-x
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DOI: https://doi.org/10.1007/s11800-008-0100-x