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      The Symptom Check-List-90-R (SCL-90-R): a German validation study.

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          Abstract

          The Symptom Check-List-90-R (SCL-90-R) is a widely used psychological status symptom inventory. The properties of the German SCL-90-R version were studied in two clinical samples: psychosomatic outpatients and primary care patients. The data were compared with a German community sample. The internal consistency, measured by Cronbach's alpha coefficients, was found to be high, for the global scale and all original subscales. Mokken scale analysis indicated hierarchical structure for most of the subscales. Concurrent validity, evaluated by studying the relationship between the SCL-90-R subscales and the Inventory of Interpersonal Problems (IIP-C) and the General Health Questionnaire (GHQ-12) was also high. On the basis of receiver operating characteristic (ROC) analyses, it was found that the SCL-90-R was able to differentiate between subjects known to have a given psychological disorder and those who do not. Results of exploratory and confirmatory factor analysis failed to support the original nine factor model and two subsequent factor models. The strong interdependence of the original subscales and the strong first unrotated factor of the exploratory factor analyses raised concern regarding the multi-dimensionality of the SCL-90-R subscales. We concluded that the SCL-90-R is a useful tool for measuring psychological status, measuring change in outcome studies, or screening for mental disorders.

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          Author and article information

          Journal
          Qual Life Res
          Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation
          Springer Science and Business Media LLC
          0962-9343
          0962-9343
          Mar 2000
          : 9
          : 2
          Affiliations
          [1 ] Clinic for Psychosomatic Medicine and Psychotherapy, Heinrich-Heine-University, Duesseldorf, Germany. schmitzn@uni-duesseldorf.de
          Article
          10.1023/a:1008931926181
          10983482
          ec36a136-b2fe-4861-89b0-a77a1da73ca4

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