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11.
David J. Foulis 《Studia Logica》2006,84(3):407-424
A Heyting effect algebra (HEA) is a lattice-ordered effect algebra that is at the same time a Heyting algebra and for which the Heyting center coincides
with the effect-algebra center. Every HEA is both an MV-algebra and a Stone-Heyting algebra and is realized as the unit interval
in its own universal group. We show that a necessary and sufficient condition that an effect algebra is an HEA is that its
universal group has the central comparability and central Rickart properties.
Presented by Daniele Mundici 相似文献
12.
应用扇效应技术探讨共享概念的性质对建构拥有关系情境模型的影响。共包括2个实验,探讨在将“多人买1物”句式中的所购“物品”改变为隐含共同地点信息的“物品”条件下,被试对“多人买1物”拥有行为句式的学习是否表现出扇效应。结果表明,当所购物品隐含的相同地点信息的情况下,“多人买1物”的拥有行为句式无论是否具有明确的地点状语,都如同“1人买多物”的句式一样,没有表现出扇效应,与Radvanskv的研究结果不同。据此认为,只有在共享概念是属于情景模型建构的维度信息的情况下,有共享概念的信息才能整合为同一个情景模型。 相似文献
13.
《The Journal of social psychology》2012,152(3):334-350
ABSTRACT Two experiments investigated the relationship between the evaluation of a deviant group member and the perceived group variability among participants with varying degrees of ingroup identification. In Experiment 1 (N?=?79) ingroup identification was negatively associated with perceived ingroup variability following the presentation of a deviant ingroup member. This relationship was mediated by ratings of the deviant: the stronger the identification, the more negatively the deviant was evaluated, and the more homogeneous the ingroup was perceived. These effects were replicated in Experiment 2 (N?=?169), which also showed that there was no association between ingroup identification and the representation of the outgroup following exposure to a deviant outgroup member. The findings suggest that deviant derogation may serve to isolate undesirable members from the rest of the ingroup and protect the group's identity. 相似文献
14.
《The Journal of social psychology》2012,152(5):452-470
ABSTRACT Research stemming from self-categorization theory (Turner et al., 1987) has demonstrated that individuals are typically more persuaded by messages from their in‐group than by messages from the out-group. The present research investigated the role of issue relevance in moderating these effects. In particular, it was predicted that in-groups would only be more persuasive when the dimension on which group membership was defined was meaningful or relevant to the attitude issue. In two studies, participants were presented with persuasive arguments from either an in-group source or an out-group source, where the basis of the in-group/out-group distinction was either relevant or irrelevant to the attitude issue. Participants' attitudes toward the issue were then measured. The results supported the predictions: Participants were more persuaded by in-group sources than out-group sources when the basis for defining the group was relevant to the attitude issue. However, when the defining characteristic of the group was irrelevant to the attitude issue, participants were equally persuaded by in-group and out-group sources. These results support the hypothesis that the fit between group membership and domain is an important moderator of self-categorization effects. 相似文献
15.
STROOP效应及其反转:无意识和意识知觉 总被引:9,自引:0,他引:9
该研究基于Stroop效应确立了意识知觉和无意识知觉间的质的差异,刺激特性(呈现时间)的改变和注意的改变引起了非常类似的行为上的质差模式,二者在决定意识时存在着补偿作用。当色词短暂呈现而被无意识知觉时,被试在对靶颜色进行命名时不能利用色词提供的预期信息,从而反应时出现典型的Stroop效应;而通过增强刺激特性或提高注意水平可以使色词被有意识知觉。从而出现了Stroop效应的反转。 相似文献
16.
肿瘤内科治疗的疗效评价 总被引:4,自引:1,他引:4
肿瘤内科治疗是肿瘤综合治疗三大手段之一,在肿瘤治疗中占有举足轻重的地位。肿瘤内科治疗的疗效评价也逐步发展和完善。新的疗效评价指标逐渐被接受,延长生存期和提高肿瘤病人的生存质量已成为肿瘤内科治疗疗效评价的原则,临床肿瘤学工作者应转变观念,以利于更好地开展临床工作。 相似文献
17.
The authors investigate two competing hypotheses about how chronic vividness of imagery interacts with the vividness and salience of information in decision making. Results from four studies, covering a variety of decision domains, indicate that chronic imagery vividness rarely amplifies the effects of vivid and salient information. Imagery vividness may, in fact, attenuate the effects of vivid and salient information. This is because, relative to nonvivid imagers, vivid imagers rely less on information that appears obvious and rely more on information that seems less obvious. This tendency is so robust that vividness of imagery may amplify the effects of vivid information only when this information is the only information available in the decision field. The findings seem to reflect vivid imagers' tendency to totally immerse themselves in a decision problem and scrutinize the available information creatively. 相似文献
18.
探究中庸思维对大学生抑郁症状的影响,以及消极认知情绪调节策略的中介作用。采用中庸思维量表、贝克抑郁量表、认知情绪调节问卷对2256名学生进行问卷调查。结果发现:(1)中庸思维与消极认知情绪调节策略、抑郁症状存在显著负相关,消极认知情绪调节策略与抑郁症状间存在显著正相关;(2)中庸思维不仅可直接影响抑郁症状,也可以通过消极认知情绪调节策略的中介作用对抑郁症状产生影响。结果表明:中庸思维对抑郁症状有一定的抑制作用,且这种作用可通过减少消极认知情绪调节策略来实现。 相似文献
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