Abstract
The performance of Ss receiving explicit payoffs for high inter-session correlations on a task of ranking visual patterns for complexity and preference was compared with that of a no-payoff group. Inter-session correlations for both types of judgment did not differ significantly between the two groups. The payoff Ss showed higher concordance for preference judgments but not for complexity judgments. Control groups required to memorize an arbitrary order of patterns under either a payoff or no-payoff condition did worse than either experimental group. Preferences for payoff Ss were directly related to complexity in that simpler patterns were preferred; no such relationship was observed for the no-payoff Ss. Two interpretations of the results are discussed.
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