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151.
顿悟作为创造性思维的重要形式之一,一直受到心理学家的重视并对该领域进行了大量实验研究.在顿悟的关键信息启发理论的基础上,运用"靶问题-源问题-靶问题"的实验范式,探讨了元认知监控和归纳意识对顿悟问题解决的影响.结果表明:提示归纳会不同程度的促进顿悟问题的解决;获得关键启发信息时,元认知监控程度高的被试顿悟问题的解决比元认知监控程度低的被试表现优秀. 相似文献
152.
I examined the impact of the consensus-making mechanism, where members reach a common decision via an intra-group discussion, on intergroup trust and reciprocity in a strategic setting. Data from a trust game generated the following results. First, compared to individual decision-makers, consensus groups exhibited (a) lower psychological trust, (b) higher behavioral trust, after controlling for psychological trust, and (c) lower reciprocity. Second, compared to decisions made by group-representatives, who are responsible for unilateral decisions on behalf of their groups, group consensus decisions were more trusting but less reciprocating. Thus, the specific decision-making mechanism adopted by groups in a strategic interaction may profoundly change the nature and the interplay of the interaction. Lastly, results show that the level of behavioral trust is driven by reciprocity expectations, while the level of reciprocity behavior, measured as a proportion of the trust received, does not change systematically with the level of trust experienced. 相似文献
153.
邢志华 《医学与哲学(人文社会医学版)》1999,20(7):11-12
达尔文主义在生物学中是一个很重要的理论,它对医学事实所做的进化论解释同样是不应忽视的。但是由于偶然的原因,它一直不能走上医学院的讲台。尽管要克服许多困难,我们还是应该把一些最重要的进化理论传授给我们的医学生,因为这对于他们未来行医是大有益处的。 相似文献
154.
155.
Socioemotional Selectivity Theory (Carstensen, L. L., Isaacowitz, D. M., & Charles, S. T. (1999). American Psychologist, 54, 155–181) posits that older adults, and anyone else who perceives their time as limited, show a motivational shift toward
emotion regulation which causes them to exhibit a positivity bias and negativity avoidance in attention and memory. We tested
whether such a motivational shift can indeed cause changes in emotional processing by manipulating motivation in a sample
of young adults. After the manipulation, participants looked at real-world images while their eye movements were tracked.
It was found that participants motivated to regulate emotion attended less to negative than positive images and showed less
looking time to all stimulus types compared to the other two conditions. No evidence was found linking the motivational manipulation
to emotional memory.
相似文献
Derek M. IsaacowitzEmail: |
156.
Number sense in human infants 总被引:1,自引:0,他引:1
Four experiments used a preferential looking method to investigate 6-month-old infants' capacity to represent numerosity in visual-spatial displays. Building on previous findings that such infants discriminate between arrays of eight versus 16 discs, but not eight versus 12 discs (Xu & Spelke, 2000), Experiments 1 and 2 investigated whether infants' numerosity discrimination depends on the ratio of the two set sizes with even larger numerosities. Infants successfully discriminated between arrays of 16 versus 32 discs, but not 16 versus 24 discs, providing evidence that their discrimination shows the set-size ratio signature of numerosity discrimination in human adults, children and many non-human animals. Experiments 3 and 4 addressed a controversy concerning infants' ability to discriminate large numerosities (observed under conditions that control for total filled area, array size and density, item size and correlated properties such as brightness: Brannon, 2002; Xu, 2003b; Xu & Spelke, 2000) versus small numerosities (not observed under conditions that control for total contour length: Clearfield & Mix, 1999). To investigate the sources of these differing findings, Experiment 3 tested infants' large-number discrimination with controls for contour length, and Experiment 4 tested small-number discrimination with controls for total filled area. Infants successfully discriminated the large-number displays but showed no evidence of discriminating the small-number displays. These findings provide evidence that infants have robust abilities to represent large numerosities. In contrast, infants may fail to represent small numerosities in visual-spatial arrays with continuous quantity controls, consistent with the thesis that separate systems serve to represent large versus small numerosities. 相似文献
157.
This paper discusses the application of the principles of factorial design to an experiment in psychology. For the purpose of illustrating the principles, a simple experiment was designed dealing with the determination of the differential limen values of subjects for weights increasing at constant rates. The factorial design was of the type: 4 rates × 7 weights × 2 sexes × 2 sights × 2 dates. The appropriate statistical analysis for this type of design is the analysis of variance. The mathematical formulation of the problem was specified and the appropriate solution for the specific problem was obtained. Greater precision results from this type of design, in comparison with the traditional psychological experiment dealing with a single factor, in that measures are obtained of the effect of each of a number of factors together with their interactions.This is one of a number of studies on modern principles of experimental design. For the research grant to finance these studies, grateful acknowledgment is given to the Graduate School, the University of Minnesota. 相似文献
158.
Fei Gu Mike W.-L. Cheung 《The British journal of mathematical and statistical psychology》2023,76(3):605-622
Principal component regression (PCR) is a popular technique in data analysis and machine learning. However, the technique has two limitations. First, the principal components (PCs) with the largest variances may not be relevant to the outcome variables. Second, the lack of standard error estimates for the unstandardized regression coefficients makes it hard to interpret the results. To address these two limitations, we propose a model-based approach that includes two mean and covariance structure models defined for multivariate PCR. By estimating the defined models, we can obtain inferential information that will allow us to test the explanatory power of individual PCs and compute the standard error estimates for the unstandardized regression coefficients. A real example is used to illustrate our approach, and simulation studies under normality and nonnormality conditions are presented to validate the standard error estimates for the unstandardized regression coefficients. Finally, future research topics are discussed. 相似文献
159.
美国学者罗德尼.斯达克教授和罗杰尔.芬克教授以经济学中的“理性人假设”为逻辑起点,从微观的个体宗教行为拓展到中观的宗教组织动力乃至宏观的宗教大市场.详细系统地提出了宗教经济研究范式。宗教经济研究范式批判了传统关于宗教非理性选择的认知.认为宗教行为是建立在回报与代价权衡基础之上的理性选择。宗教经济研究范式带有强烈的人类中心主义色彩,其主张用经济学理性假设来衡量、判断宗教理性的观点值得我们深入探讨。 相似文献
160.
方兴 《医学与哲学(人文社会医学版)》2012,33(7)
患者知情同意原则本质地内涵着患者知情不同意的权利,医方对患者知情不同意更应谨慎处理.针对患者知情不同意的不同类型,在实践中适用《侵权责任法》时应当注意替代同意的效力问题,明确医方告知的信息范围和告知方式,并在患者拒绝治疗后谨慎处理医生干涉权和患者自主权之间的关系. 相似文献