The underlying basis for the process-reactive classification is unclear, although some authors offer differences in psychological differentiation as an explanation. This study examined the relationship between the degree of differentiation of the body concept and the process-reactive continuum, which was measured by the Prognostic Rating Scale and the subsequent total number of nights of hospitalization over a 3-yr. period for 51 Ss. There was no significant relationship—linear or curvilinear—between these variables in this sample of acute schizophrenics in whom drug ingestion, chronicity, and length of current hospitalization were controlled.
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