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891.
Kimihiko Yamagishi 《The Japanese psychological research》2002,44(4):209-227
Abstract: In comparison between choice alternatives, judgments of “How much better is a preferred option?” and “How much worse is a less preferred option?” may differ in their magnitudes. Such discrepancies are called “valence effects”. Previously, Yamagishi and Miyamoto (1996 ) observed systematic positive valence effects (“Better” exceeding “Worse”) in the domain of gains and systematic negative valence effects (“Worse” exceeding “Better”) in the domain of losses. The current experiments used the directions of valence effects as a tool to assess decision‐maker's interpretation of choice tasks under “framing effects” ( Tversky & Kahneman, 1986 ). Preferences under the framing effect switch from certain options in the domain of gains to uncertain options in the domain of losses. Two experiments showed that preferences for certain options were associated with positive valence effects, whereas preferences for uncertain options were associated with negative valence effects. Moreover, conditions wherein the framing manipulations lose the effectiveness were examined. Valence effects showed that framing effects ceased to occur when decision‐makers maintained consistent domain perceptions as pertaining to gains or to losses, across the domains of gains and losses. Implications are discussed. 相似文献
892.
Financial Budgets and Escalation Effects 总被引:1,自引:0,他引:1
Hun-Tong Tan J. Frank Yates 《Organizational behavior and human decision processes》2002,87(2):300-322
893.
894.
Junji Komaki 《The Japanese psychological research》2004,46(1):65-71
Abstract: Two experiments were carried out to test the differential effects of hunger and thirst on memory performance. In Experiment 1, two groups of rats were exposed to an original radial‐maze task and then to a 30‐min retention‐memory task. The food‐deprived group completed the original task more quickly than the water‐deprived group, but the thirsty group mastered the memory task more quickly than the hungry group (p < 0.01). In Experiment 2, deprivation conditions were changed from the original to the memory task. The food‐water group completed the memory task more rapidly than the water‐food group (p < 0.05). Thirst proved to constitute a more favorable condition for retention‐memory learning. The applicability of several theories is discussed. 相似文献
895.
The way external factors influence distribution functions for the overall time required to perform a mental task (such as responding to a stimulus, or solving a problem) may be informative as to the underlying mental architecture, the hypothetical network of interconnected processes some of which are selectively influenced by some of the external factors. Under the assumption that all processes contributing to the overall performance time are stochastically independent, several basic results have been previously established. These results relate patterns of response time distribution functions produced by manipulating external factors to such questions as whether the hypothetical constituent processes in the mental architecture enter AND gates or OR gates, and whether pairs of processes are sequential or concurrent. The present study shows that all these results are also valid for stochastically interdependent component times, provided the selective dependence of these components upon external factors is understood within the framework of a recently proposed theory of selective influence. According to this theory each component is representable as a function of three arguments: the factor set selectively influencing it, a component-specific source of randomness, and a source of randomness shared by all the components. 相似文献
896.
During the school years, psychological test norms may be indexed by age or by grade. A number of studies have shown that using age-based norms appears to produce biases associated with grade assignment. Cahan and Cohen [Child Dev. 60 (1989) 1239-1249] showed that the effect of one grade was over twice the effect of 1 year of age for most verbal cognitive ability subtests in Grades 4-6. A higher ratio might be expected for more curriculum-related areas such as reading tests. Analysis of a representative sample of 4257 Grade 1 and 2 children in Tasmanian government schools (which use relatively strict age assignment to grades) for three subtests of the Woodcock Reading Mastery Test—Revised (WRMTR): Word Identification, Word Attack, and Passage Comprehension, showed that the grade effect is about twice the age effect. This data shows that using age-based norms instead of grade-based norms for reading and other verbal ability tests may produce bias in the early school years. Psychologists should thus be primarily concerned with children's educational history, as once children have entered school other developmental factors indexed by age have less influence on children's verbal performance. 相似文献
897.
医学伦理学是否可教及其他--关于医学伦理学教育的再思考 总被引:1,自引:0,他引:1
医学伦理学是否可教?如果可教,应该教规范还是教价值?如何拉近医学伦理学教育与现实的距离?怎样评价医学伦理学教学的效果?不仅是临床医生和卫生管理工作者,即使作为医学伦理学研究工作的学者也都对这些问题存在着不同程度的误解,这影响了医学伦理学学科地位的确立. 相似文献
898.
899.
我们人类当前的生活方式不是可持续的。提升可持续性的途径之一是发展更绿色的科学技术, 另一种补充性途径是改变人们的态度、习惯和行为。在本文中, 我们讨论了6种心理技术, 其宗旨是推动或助推(nudge)人们做出更环保的选择和行为。这些心理技术涵盖范围非常广泛, 有些可以远程使用, 如在通知公告中建构沟通信息, 有些则涉及对人们的决策情境做出的改变。因此, 本综述关乎到各行业从业人员, 如市场营销人员、政策制定者、消费者代表等。对于每项心理技术, 我们讨论了其认知和(或)情绪的理论性基础。此外, 我们探讨了目前文献中存在的空白, 并提出了可填补这些空白的未来研究方向。 相似文献
900.
采用色环搜索单任务和双任务范式, 考察语言中区分蓝、绿的汉族和语言中蓝、绿混用的纳西族对蓝色和绿色的辨别是否存在颜色范畴知觉效应(Categorical perception, 以下简称为CP效应)。结果发现:(1)纳西族对蓝色和绿色的区分比汉族困难, 体现了语言的作用; (2)语言中蓝、绿混用的纳西族与语言中区分蓝、绿的汉族都出现显著的蓝绿CP效应; (3)两个民族被试的左视野的CP效应受到图形记忆次任务的显著干扰, 说明左视野的CP效应与右脑激活有关。整个研究表明, 颜色CP效应既存在普遍的知觉机制, 也存在语言驱动机制, 语言的作用存在直接效应。研究结果支持颜色词与颜色认知的相互作用理论。 相似文献