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Article Dans Une Revue Psychonomic Bulletin and Review Année : 2015

Does ambiguity aversion influence the framing effect during decision making?

Résumé

Decision-makers present a systematic tendency to avoid ambiguous options for which the level of risk is unknown. This ambiguity aversion is one of the most striking decision-making biases. Given that human choices strongly depend on the options' presentation, the purpose of the present study was to examine whether ambiguity aversion influences the framing effect during decision making. We designed a new financial decision-making task involving the manipulation of both frame and uncertainty levels. Thirty-seven participants had to choose between a sure option and a gamble depicting either clear or ambiguous probabilities. The results revealed a clear preference for the sure option in the ambiguity condition regardless of frame. However, participants presented a framing effect in both the risk and ambiguity conditions. Indeed, the framing effect was bidirectional in the risk condition and unidirectional in the ambiguity condition given that it did not involve preference reversal but only a more extreme choice tendency.
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Dates et versions

hal-01783684 , version 1 (15-05-2018)

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Anaïs Osmont, Mathieu Cassotti, Marine Agogué, Olivier Houdé, Sylvain Moutier. Does ambiguity aversion influence the framing effect during decision making?. Psychonomic Bulletin and Review, 2015, 22 (2), pp.572 - 577. ⟨10.3758/s13423-014-0688-0⟩. ⟨hal-01783684⟩
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