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A Simple and Reliable Subclassification of Chronic Schizophrenia

Medical Research Council, Social Psychiatry Research Unit, Institute of Psychiatry, Maudsley Hospital, London, S.E. 5

ABSTRACT

A simple classification of chronicschizophrenia, based on ratings of mental symptoms made at a standard interview, has been shown to have satisfactory reliability as between raters, and to be relatively stable over time. Scores representing different types of social behaviour provide some validity for the classification.