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The prior work has demonstrated that anticipatory negative emotion during the decision process (e.g.,fear,anxiety,and dread) can result in choice deferral.In this report,I will present our research on the role of anticipatory dominance during decision process in choice deferral (study 1),and the effect of incidental emotions external to the decisions being made on choice deferral (study2).Based on Mehrabian and Russell’s (1974) PAD emotional state model,study1 included the other two dimensions of emotion (Arousal and Dominance) into choice deferral in addition to Pleasure.Study1 created experimental conditions that were supposed to induce anticipatory emotions (e.g.,by inducing preference uncertainty),and then measured in-process emotional reaction (with the self-assessment manikin scales,SAM) and choice deferral.Mediation analyses showed that anticipatory dominance could mediate the effect of experimental manipulations on choice deferral.Totally,study1 indicated that dominance had its own role in choice deferral.The main purpose of study2 was to explore the effect of incidental emotions on choice deferral.After participants were evoked target emotions by pictures-induced or video clips-induced techniques in the two experiments,they were asked to complete the course or hotel selection task when the option of not choosing any of the alternatives was also provided.The result suggested that individuals’ preference for the choice deferral was a function of emotions,and preference for deferral was more pronounced for negative emotions than for positive emotions.Simultaneously,the decision-making strategies played an important role in the effect of incidental emotions on choice deferral.