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By Vladimir Pishkin and Lyle E. Bourne


Schizophrenic and normal 5s ( # = 230) solved concept-identification (CI) problems varying in stimulus complexity, simultaneously with either a normal or a schizophrenic stooge providing relevant or irrelevant cues. Major results were (a) CI performance was a negative function of stimulus complexity, (b) social cues from a normal stooge had greater effects on problem solving than social cues from a schizophrenic stooge, and (c) schizophrenics demonstrated a deficit in problem solving connected primarily with the use of social cues. Comparisons of these data with expectations based on a mathematical model of CI revealed several significant discrepancies, attributable primarily to the fact that normals are more sensitive to social cues than are schizophrenics. Pishkin and Blanchard (1963) reported a preliminary evaluation of the ability of schizophrenic and normal 5s to use social (i.e., from another person) and nonsocial (i.e., from variations in a physical stimulus) sources o

Year: 2014
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