Jou J, Shanteau J, Harris R J
Department of Psychology and Anthropology, University of Texas-Pan American, Edinburgh 78539-2999, USA.
Mem Cognit. 1996 Jan;24(1):1-15. doi: 10.3758/bf03197268.
People prefer a sure gain to a probable larger gain when the two choices are presented from a gain perspective, but a probable larger loss to a sure loss when the objectively identical choices are presented from a loss perspective. Such reversals of preference due to the context of the problem are known as framing effects. In the present study, schema activation and subjects' interpretations of the problems were examined as sources of the framing effects. Results showed that such effects could be eliminated by introducing into a problem a causal schema that provided a rationale for the reciprocal relationship between the gains and the losses. Moreover, when subjects were freed from framing they were consistently risk seeking in decisions about human life, but risk averse in decisions about property. Irrationality in choice behaviors and the ecological implication of framing effects are discussed.
当从收益角度呈现两种选择时,人们更倾向于确定的收益而非可能更大的收益,但当从损失角度呈现客观上相同的选择时,人们更倾向于可能更大的损失而非确定的损失。这种因问题背景导致的偏好逆转被称为框架效应。在本研究中,我们考察了图式激活和受试者对问题的解释作为框架效应的来源。结果表明,通过在问题中引入一个因果图式,为收益与损失之间的相互关系提供一个基本原理,可以消除这种效应。此外,当受试者摆脱框架影响时,他们在关于人类生命的决策中始终表现为风险寻求,但在关于财产的决策中表现为风险规避。本文还讨论了选择行为中的非理性以及框架效应的生态意义。