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Unleashing the BEAST: a brief measure of human social information use
Evolution and Human Behavior ( IF 3.0 ) Pub Date : 2019-09-01 , DOI: 10.1016/j.evolhumbehav.2019.06.005
Lucas Molleman , Ralf H.J.M. Kurvers , Wouter van den Bos

Abstract Social information enables individuals to reduce uncertainty and increase decision accuracy across a broad range of domains. Intriguingly, individuals and populations consistently differ in social information use. Understanding the underlying causes of this variation has proven challenging due to the lack of a standardized paradigm to quantify social information use. Here we introduce the BEAST (Berlin Estimate AdjuStment Task); a brief (∼5-min), simple, and incentive-compatible behavioural task to quantify individuals' propensities to use social information. In the task, participants observe an image with a number of animals and estimate the total number. Next, they receive another person's estimate, after which they provide a second estimate. An individual's average adjustment quantifies their propensity to use social information. We found that individuals' propensity to use social information is consistent within the task, has considerable test–retest reliability over 9 months, generalizes to other social learning tasks, and correlates with established self-reported measures of social conformity and social proximity. The BEAST thus reliably captures individual variation in social information use. We conclude by highlighting the BEAST's potential to serve as a flexible framework to assess the determinants of human social information use.

中文翻译:

释放野兽:人类社会信息使用的简要衡量

摘要 社会信息使个人能够在广泛的领域减少不确定性并提高决策准确性。有趣的是,个人和人群在社会信息使用方面始终存在差异。由于缺乏量化社会信息使用的标准化范式,了解这种变化的根本原因已被证明具有挑战性。这里介绍一下BEAST(Berlin Estimate AdjuStment Task);一个简短(约 5 分钟)、简单且与激励相容的行为任务,用于量化个人使用社会信息的倾向。在任务中,参与者观察带有许多动物的图像并估计总数。接下来,他们会收到另一个人的估计,然后他们提供第二个估计。个人' s 平均调整量化了他们使用社会信息的倾向。我们发现,个人使用社会信息的倾向在任务中是一致的,在 9 个月内具有相当大的重测可靠性,可推广到其他社会学习任务,并与既定的社会整合和社会接近度的自我报告测量相关。因此,BEAST 可靠地捕获了社会信息使用中的个体差异。最后,我们强调了 BEAST 作为评估人类社会信息使用决定因素的灵活框架的潜力。并与既定的社会一致性和社会接近度的自我报告措施相关联。因此,BEAST 可靠地捕获了社会信息使用中的个体差异。最后,我们强调了 BEAST 作为评估人类社会信息使用决定因素的灵活框架的潜力。并与既定的社会一致性和社会接近度的自我报告措施相关联。因此,BEAST 可靠地捕获了社会信息使用中的个体差异。最后,我们强调了 BEAST 作为评估人类社会信息使用决定因素的灵活框架的潜力。
更新日期:2019-09-01
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