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A systematic evaluation was made of the reliability, validity and psychometric properties of the Symptom Rating Test and Langner 22-Item Scale in order to determine whether they are suitable for use in community surveys of psychiatric epidemiology. On the basis of studies on several samples (total N = 846), both scales were shown to be suitable for this purpose. Although the subscale structure of the Symptom Rating Test was not confirmed, it appeared superior in most respects to the Langner Scale.
Raymond Cochrane (Fri,) studied this question.