Consistency and complexity of response sequences as a function of schedules of noncontingent reward.

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Abstract
80 Ss were instructed that their responses on a circular array of pushbuttons determined whether a reward or nonreward would occur. Reward occurrence was preprogrammed and random with the independent variable the relative frequency of reward. Superstitious response preferences and patterns were established as a function of the probability of reward, but rotational sequences for the systematic testing of responses were also established as orderly scanning rules, especially following nonreward. The author distinguishes between collecting and using information in that they are differentially influenced by the uncertainty of outcome and the probability of reward. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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