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Thirty schizophrenic and 30 nonschizophrenic neuropsychiatric inpatients were matched on the basis of age, sex, education, and a measure of intelligence. They were individually administered the Bender-Gestalt test under two successive conditions. First, Ss were shown each figure in turn for 5 sec. and required to reproduce it from memory. Then they copied the figures under the standard conditions. Using the Pascal-Suttell scoring system, measures of performance were derived based upon the performance under the two conditions. A third measure used was the arithmetic difference between performance in these conditions. The mean findings were that schizophrenics did more poorly under both exposure conditions than nonschizophrenic controls. An hypothesis based upon a general theory of psychological deficit that the difference score would be higher for schizophrenics was not statistically verified although a confirming trend was noted. Another finding was greater variability among schizophrenics.
Ira H. Bernstein (Sat,) studied this question.