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排序方式: 共有382条查询结果,搜索用时 15 毫秒
51.
Joonas Hokkanen Risto Lahdelma Kaisa Miettinen Pekka Salminen 《Journal of Multi-Criteria Decision Analysis》1998,7(5):273-284
We describe a real-life application of a new multicriteria method in the context of assisting the decision-making for a general plan in the municipality of Kirkkonummi in Uusimaa, Finland. At the time our group started working on the problem, a proposal for an overall plan had already been completed, but the order in which different regional parts of the plan should be implemented needed to be considered based on the environmental impact assessment (EIA) procedure. The EIA procedure generated a large amount of data about the different impacts of the alternatives. For this group decision making problem we developed the SMAA-3 decision support method which does not require any explicit preference information from the decision makers during the procedure. The uncertainty of the basic data is modelled using ELECTRE III-type pseudo-criteria with preference and indifference thresholds. © 1998 John Wiley & Sons, Ltd. 相似文献
52.
Daniel Giberman 《Australasian journal of philosophy》2019,97(2):228-238
A structure is temporally gunky just in case all of its temporal parts have proper temporal parts. Joshua Stuchlik [2003] objects to the stage theory of persistence from temporal gunk by arguing that the former requires instantaneous entities while the latter precludes them. It is argued here that stage theory can accommodate temporal gunk by invoking short-lived persisting stages. However, a new and more serious problem for stage theory is not far to seek. The short-lived stages that are needed to accommodate gunk accord with stage theory only if they are appropriately qualitatively static. The problem is that, unless stage theory abandons much of its dialectical force, some of the required stages fail this condition. Thus, Stuchlik is right that gunk shows a large class of worlds not to be stages, but wrong about which worlds these are. 相似文献
53.
记忆的顿悟优势效应指, 与加工非顿悟问题相比, 加工顿悟问题能够产生更优的记忆保持量。该效应在顿悟的两种操作性定义以及不同实验材料中稳定出现。基于顿悟阶段观, 研究者提出两种理论解释记忆的顿悟优势效应的认知机制:认知的生成效应和表征转化理论认为, 顿悟加工过程中的认知努力、适当迁移加工以及顿悟的表征转换加工促进记忆的保持效果; 情绪的“啊哈”体验理论认为, 加工顿悟问题后的情绪对后续的信息提取具有促进作用。未来的研究可从优化顿悟的指标、巩固记忆的顿悟优势效应、评估其持续性以及更加系统探讨记忆的顿悟优势效应的认知机制等四个方面展开。 相似文献
54.
M. W. Spratling 《Visual cognition》2017,25(7-8):770-801
A comprehensive model of gaze control must account for a number of empirical observations at both the behavioural and neurophysiological levels. The computational model presented in this article can simulate the coordinated movements of the eye, head, and body required to perform horizontal gaze shifts. In doing so it reproduces the predictable relationships between the movements performed by these different degrees of freedom (DOFs) in the primate. The model also accounts for the saccadic undershoot that accompanies large gaze shifts in the biological visual system. It can also account for our perception of a stable external world despite frequent gaze shifts and the ability to perform accurate memory-guided and double-step saccades. The proposed model also simulates peri-saccadic compression: the mis-localization of a briefly presented visual stimulus towards the location that is the target for a saccade. At the neurophysiological level, the proposed model is consistent with the existence of cortical neurons tuned to the retinal, head-centred, body-centred, and world-centred locations of visual stimuli and cortical neurons that have gain-modulated responses to visual stimuli. Finally, the model also successfully accounts for peri-saccadic receptive field (RF) remapping which results in reduced responses to stimuli in the current RF location and an increased sensitivity to stimuli appearing at the location that will be occupied by the RF after the saccade. The proposed model thus offers a unified explanation for this seemingly diverse range of phenomena. Furthermore, as the proposed model is an implementation of the predictive coding theory, it offers a single computational explanation for these phenomena and relates gaze shifts to a wider framework for understanding cortical function. 相似文献
55.
The authors' purpose was to determine if participants adjusted their endpoint during a rapid aiming task in the context of changing rewards and whether participants needed consistent feedback to do so. Participants aimed to a target that was overlapped by a penalty region. Participants gained points for hitting the target but lost points for hitting the penalty region. The reward value associated with target contact either changed trial to trial, reducing consistent feedback (variable condition) or changed between blocks of trials (blocked condition) with the repetition of reward value within a block increasing the consistency of feedback. Participants adjusted their endpoints with changing reward value in the blocked but not variable condition indicating consistent feedback is needed to adjust endpoint to changing rewards. 相似文献
56.
Samantha F. Anderson 《Multivariate behavioral research》2017,52(3):305-324
Psychology is undergoing a replication crisis. The discussion surrounding this crisis has centered on mistrust of previous findings. Researchers planning replication studies often use the original study sample effect size as the basis for sample size planning. However, this strategy ignores uncertainty and publication bias in estimated effect sizes, resulting in overly optimistic calculations. A psychologist who intends to obtain power of .80 in the replication study, and performs calculations accordingly, may have an actual power lower than .80. We performed simulations to reveal the magnitude of the difference between actual and intended power based on common sample size planning strategies and assessed the performance of methods that aim to correct for effect size uncertainty and/or bias. Our results imply that even if original studies reflect actual phenomena and were conducted in the absence of questionable research practices, popular approaches to designing replication studies may result in a low success rate, especially if the original study is underpowered. Methods correcting for bias and/or uncertainty generally had higher actual power, but were not a panacea for an underpowered original study. Thus, it becomes imperative that 1) original studies are adequately powered and 2) replication studies are designed with methods that are more likely to yield the intended level of power. 相似文献
57.
Constant D. Beugré 《Journal of business and psychology》2005,20(2):291-301
The present article develops a cognitive stage model of workplace aggression, which contends that aggressive reactions to
perceived injustice are cognitively construed following three cognitive steps that include the assessment stage, the accountability
stage, and the decision stage. These three cognitive stages are essential in understanding victims’ retaliatory actions against
perpetrators of injustices. The model’s implications for research and practice are discussed. 相似文献
58.
终末期癌症病人诊治中的心理特征与人文关怀 总被引:1,自引:0,他引:1
在诊治终末期癌症病人过程中不仅要关心他们的躯体方面,更要关心他们的心理方面,在诊治过程中要根据他们的独特的心理特征来进行人文心理关怀,维持生命质量和保证他们应有的人格尊严. 相似文献
59.
Patricia L. Linn 《Journal of Vocational Behavior》2004,65(3):430-447
Career exploration by Antioch College students who graduated between 1946 and 1955 (N=73) was studied to determine relationships between the occupational categories of cooperative education jobs taken in college (obtained from a campus archive) and subsequent work histories (obtained from surveying the graduates at about 70 years). Five hypotheses were tested. Results supported four of the hypotheses, with partial support for the fifth. Co-op jobs taken by the sample represented each of 23 occupational classifications, and most graduates took post-graduate jobs in occupational functions and contexts they had explored as co-op students. High levels of individuality in use of the co-op program and in career paths were found. Four co-op-to-career patterns were described, based on the degree to which functions and contexts were explored during college and career; a case study was included to exemplify each pattern. Gender differences were revealed in the patterns, but not the group data. Job context was particularly important in defining these patterns. Implications for research and practice were discussed tentatively, however given the lack of a control group, characteristics of the study sample, and particularities of the historical era studied, the ability to generalize beyond the study sample is limited. 相似文献
60.
工作中心度的作用及其与领导行为的关系研究 总被引:3,自引:0,他引:3
本研究在理论分析的基础上,探讨了工作中心度对职业生涯规划的作用,并进一步分析了以工作中心度为因变变量(contingent variable)的领导行为的有效性。通过问卷调查法对233位企业员工进行测量。结果发现:工作中心度高的员工对于他们的职业生涯会有更好的规划;应根据员工不同程度的工作中心度采取不同的领导行为,后者有利于员工更好地规划自己的职业生涯。 相似文献