Abstract
Tested the hypotheses that both perceived choice and expectancy about feelings of internal control over own behavior in a future situation will be greater (a) when a decision involves positive options than when it involves negative options and (b) that perceived choice will be greater when there is a small difference in attractiveness of the outcomes of the options than when there it a large difference. 80 undergraduates were asked to make a selection from 2 types of visual stimulation. Ss were led to believe that they would be exposed at a later time in the experiment to the type of stimulation they had selected. Information about the types of stimulation was varied to manipulate valence of the outcomes of the options and difference in attractiveness of the outcomes of the options. Results support the hypothesis that both perceived choice and expectancy about feelings of internal control are greater when a decision involves positive options than when it involves negative options, and the predicted effect of difference in attractiveness on perceived choice when the decision involved positive options but not when it involved negative options. (15 ref) (PsycINFO Database Record (c) 2016 APA, all rights reserved)

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