Further evidence that concerns the validity of an MMPI key for separation of brain-damaged and schizophrenic patients

Abstract

This study attempted to cross-validate an MMPI Key for the separation of brain-damaged and schizophrenic inpatients. MMPI profiles generated by 20 males with a variety of documented brain dysfunctions were compared to those of 20 heterogenous male schizophrenics. The groups were matched on the variables of age and education. The procedure provided 82.5% correct classification, which included 85% correct schizophrenic identification and 80% correct brain-damage identification. The Key was recommended for use as a rough screening device or as a supplement to appropriate neuropsychological procedures.

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