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Article
May 1972

Problem-Solving Performance of Paranoid and Nonparanoid Schizophrenics

Author Affiliations

Bethesda, Md
From the Section on Higher Thought Processes, National Institute of Mental Health, Bethesda, Md.

Arch Gen Psychiatry. 1972;26(5):442-444. doi:10.1001/archpsyc.1972.01750230052010
Abstract

The performances of paranoid schizophrenic patients (No. = 10) and long-term undifferentiated schizophrenics (No. = 10) were compared on a series of problem-solving tasks. On all problems, the observed differences were in favor of the nonparanoid patients. Rigidity of internal representation of the task was suggested by the paranoid subjects' loss of efficiency in performance when a change in set was required. Their poor performance also resulted from their highly atomistic responses. The nonparanoid subjects, on the other hand, were oriented toward the more abstract, more efficient conceptualization associated with testing collections of entities.

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