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Eye Movements in Risky Choice
Journal of Behavioral Decision Making ( IF 2.508 ) Pub Date : 2015-01-26 , DOI: 10.1002/bdm.1854
Neil Stewart 1 , Frouke Hermens 2 , William J Matthews 3
Affiliation  

Abstract We asked participants to make simple risky choices while we recorded their eye movements. We built a complete statistical model of the eye movements and found very little systematic variation in eye movements over the time course of a choice or across the different choices. The only exceptions were finding more (of the same) eye movements when choice options were similar, and an emerging gaze bias in which people looked more at the gamble they ultimately chose. These findings are inconsistent with prospect theory, the priority heuristic, or decision field theory. However, the eye movements made during a choice have a large relationship with the final choice, and this is mostly independent from the contribution of the actual attribute values in the choice options. That is, eye movements tell us not just about the processing of attribute values but also are independently associated with choice. The pattern is simple—people choose the gamble they look at more often, independently of the actual numbers they see—and this pattern is simpler than predicted by decision field theory, decision by sampling, and the parallel constraint satisfaction model. © 2015 The Authors. Journal of Behavioral Decision Making published by John Wiley & Sons Ltd.

中文翻译:

风险选择中的眼动

摘要 我们要求参与者在记录他们的眼球运动时做出简单的冒险选择。我们建立了一个完整的眼球运动统计模型,发现在一个选择的时间过程中或在不同的选择中,眼球运动的系统变化很小。The only exceptions were finding more (of the same) eye movements when choice options were similar, and an emerging gaze bias in which people looked more at the gamble they ultimately chose. 这些发现与前景理论、优先启发式或决策场理论不一致。然而,选择过程中的眼球运动与最终选择有很大关系,这主要与选择选项中实际属性值的贡献无关。那是,眼球运动不仅告诉我们属性值的处理,而且还与选择独立相关。这种模式很简单——人们选择他们更经常看的赌博,独立于他们看到的实际数字——而且这种模式比决策场理论、抽样决策和并行约束满足模型预测的要简单。© 2015 作者。约翰威利父子公司出版的行为决策杂志。
更新日期:2015-01-26
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