The Diagnostic Specificity of Negative Symptoms and their Psychopathological Context

Abstract
Rating scales for negative symptoms, basic symptoms and other comparable psychopathological syndromes were not originally constructed in order to make psychiatric diagnoses. Moreover, these scales were intended to be applied principally to schizophrenic patients. From the point of view of psychological testing their application to non-schizophrenic patients could be rejected on methodological grounds. Nevertheless there are some considerations which may justify such an investigation.

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