Cognitive complexity, the number of discriminations one can make among his percepts, was investigated in two situations: one involving the perception of people and the other involving the perception of objects. Complexity of perception of people was measured by Kelly's Role Construct Repertory Test and complexity of the perception of objects was measured with a concept-formation task utilizing familiar household objects. A tau of .18 (p < .05) obtained between the measures (n = 43).
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