When the Ends Justify the Mean: The Endpoint Leverage Effect in Distribution Perception

IF 2.3 2区 心理学 Q2 PSYCHOLOGY, EXPERIMENTAL
Jonas Ebert, Roland Deutsch
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Abstract

Previous research described different cognitive processes on how individuals process distributional information. Based on these processes, the current research uncovered a novel phenomenon in distribution perception: the Endpoint Leverage Effect. Subjective endpoints influence distribution estimations not only locally around the endpoint but also influence estimations across the whole value range of the distribution. The influence is largest close to the respective endpoint and decreases in size toward the opposite end of the value range. Three experiments investigate this phenomenon: Experiment 1 provides correlational evidence for the Endpoint Leverage Effect after presenting participants with a numerical distribution. Experiment 2 demonstrates the Endpoint Leverage Effect by manipulating the subjective endpoints of a numerical distribution directly. Experiment 3 generalizes the phenomenon by investigating a general population sample and estimations regarding a real-world income distribution. In addition, quantitative model analysis examines the cognitive processes underlying the effect. Overall, the novel Endpoint Leverage Effect is found in all three experiments, inspiring further research in a wide area of contexts.

Abstract Image

当 "目的 "证明 "平均 "合理时:分配认知中的终点杠杆效应。
以往的研究描述了个人处理分布信息的不同认知过程。基于这些过程,目前的研究发现了分布感知中的一个新现象:端点杠杆效应。主观端点不仅会影响端点周围局部的分布估计,还会影响整个分布值范围的估计。这种影响在接近相应端点时最大,在数值范围的另一端则逐渐减小。三个实验对这一现象进行了研究:实验 1 向参与者展示数值分布后,提供了端点杠杆效应的相关证据。实验 2 通过直接操纵数值分布的主观端点来证明端点杠杆效应。实验 3 通过调查普通人群样本和对现实世界收入分布的估计,将这一现象普遍化。此外,定量模型分析还研究了该效应背后的认知过程。总之,在所有三个实验中都发现了新颖的端点杠杆效应,从而激发了在广泛领域的进一步研究。
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来源期刊
Cognitive Science
Cognitive Science PSYCHOLOGY, EXPERIMENTAL-
CiteScore
4.10
自引率
8.00%
发文量
139
期刊介绍: Cognitive Science publishes articles in all areas of cognitive science, covering such topics as knowledge representation, inference, memory processes, learning, problem solving, planning, perception, natural language understanding, connectionism, brain theory, motor control, intentional systems, and other areas of interdisciplinary concern. Highest priority is given to research reports that are specifically written for a multidisciplinary audience. The audience is primarily researchers in cognitive science and its associated fields, including anthropologists, education researchers, psychologists, philosophers, linguists, computer scientists, neuroscientists, and roboticists.
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