期刊
PSYCHOLOGICAL SCIENCE
卷 19, 期 10, 页码 1015-1022出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1467-9280.2008.02193.x
关键词
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资金
- NIDA NIH HHS [R01 DA014119] Funding Source: Medline
- NIMH NIH HHS [R01 MH068346] Funding Source: Medline
A recent study demonstrated that individuals making experience-based choices underweight small probabilities, in contrast to the overweighting observed in a typical descriptive paradigm. We tested whether trial-by-trial feedback in a repeated descriptive paradigm would engender choices more correspondent with experiential or descriptive paradigms. The results of a repeated gambling task indicated that individuals receiving feedback underweighted small probabilities, relative to their no-feedback counterparts. These results implicate feedback as a critical component during the decision-making process, even in the presence of fully specified descriptive information. A model comparison at the individual-subject level suggested that feedback drove individuals' decision weights toward objective probability weighting.
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