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Interaction des influences émotionnelles incidentes et intégrées dans la prise séquentielle de décisions : rôle de l'évaluation cognitive de certitude

Abstract : Established in 2015, the Emotion Imbued Choice (EIC; Lerner et al., 2015) explains how emotions influence decision making. According to this model, incidental emotions (not related to the decision) associated with a high degree of certainty would trigger a heuristic information processing (Tiedens & Linton, 2001). In contrast, incidental emotions associated with a high level of uncertainty would trigger a deliberative information processing. This would explain the difference in performance on decision-making task.The influence of incidental emotions has been studied in one-shot decision and sequential decision making (i.e., sequence of decisions). While the EIC provides a clear and powerful framework for one-shot decision, its predictions are less explicit for sequential decision making. The particularity of this type of decision is that each decision is followed by a feedback (gain or loss) with an emotional cue (positive vs. negative). This integral source (related to the decision) of emotional influence can modify the subsequent decisions. Researchers have observed that the initiation of a heuristic processing leads participants to make more advantageous decisions than the initiation of a deliberative ones (Bagneux et al., 2012; Bagneux et al., 2013; Bollon & Bagneux, 2013). However, the impact of the processing of the emotional cue associated with feedbacks in obtaining this pattern of result has not yet been directly confirmed.Our objective was to identify how incidental emotions, based on their degree of certainty, modulate sequential decision making. Through a series of seven experiments, we have shown how incidental emotions interact with integral influence of feedbacks. Only the initiation of a heuristic processing leads participants to modulate their decisions according to the type of feedbacks received (positive vs. negative). These results concern both risky and ambiguous sequential decision making. The modulation of decision making has been highlighted, in a classic way, when inducing incidental negative emotions and, in a more original way, when inducing incidental positive emotions. The analysis of the results and the literature reveal difficulties in terms of the reliability of the measurement of the degree of certainty. A series of six other studies, in the general methodology of scale construction, investigated the origin of these difficulties. We have shown that these difficulties are the double consequence of an incomplete definition and an imperfect operationalization of the certainty appraisal dimension. From a theoretical level, we propose that all of our results support the need to extend the EIC to sequential decision making. From a methodological level, our results justify the interest of developing a new tool to measure the degree of certainty.
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Mélody Mailliez. Interaction des influences émotionnelles incidentes et intégrées dans la prise séquentielle de décisions : rôle de l'évaluation cognitive de certitude. Psychologie. Université Grenoble Alpes, 2018. Français. ⟨NNT : 2018GREAS050⟩. ⟨tel-02893431⟩

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