Abstract
A validation study of Tien's Organic Integrity Test was undertaken with 187 hospitalized patients and 25 normal controls. Data were analyzed for differences between nonpsychotic-nonorganic, psychotic, and organic patients. In addition, OIT scores were compared for patients varying on the dimension of general psychological functioning as assessed by the hospital status and type of privileges accorded them. The results indicate that the OIT did not significantly distinguish among the four groups although the results were in the expected direction and consistent with Tien's previous study. However, it is suggested that Tien's originally positive results are really due to the fact that the OIT is more a measure of general psychological functioning than it is of specific neurological disruption.
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