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111.
原始性情绪感染理论认为, 情绪感染是一个“情绪觉察-无意识模仿-生理反馈-情绪体验”的过程, 情绪感染是一个由生理诱发情绪的过程。早在1884年, 詹姆士和兰格就提出了情绪外周学说, 同样描述了从身体变化到情绪变化的关系路径, 但没有描述从刺激事件到外周身体变化的发生机制。对情绪感染的发生机制的研究能揭示这一“自下而上”的情绪产生机制。研究选取有效大学生被试62名, 参与下列研究:(1) 在眼动实验中使用情绪图片作为感官情绪信息, 以考察觉察者的情绪觉察水平。(2) 在生物反馈实验中, 使用仿真课堂教学视频作为感官情绪信息, 以考察觉察者的无意识模仿水平和生理反馈水平。使用路径分析证实了情绪感染的路径机制, 在真实情境的诱发下, 这种通过生理唤醒而诱发情绪的机制是可能的。 相似文献
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This study examines the utility of two widely advocated methods for supporting judgmental forecasts—providing task feedback and providing judgmental bootstrapping support. In a simulated laboratory based experiment that focused on producing composite sales forecasts from three individual components, we compared the effectiveness of these two methods in improving final judgmental forecasts. In the presence of cognitive feedback task, feedback led to better forecasts than providing judgmental bootstrap forecasts. Simply providing bootstrap forecasts was of no additional benefit over a control condition. This was true in terms of the Brunswik Lens model measures of achievement, knowledge, and consistency, and in terms of forecast accuracy. This occurred both in stable environments and when special events (unusual one‐time events requiring adjustments to the forecasts) arose. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
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In this paper, we examine the role of degrees of freedom and their degeneracy in learning in the brain–computer interface paradigm. Though the traditional notion of degrees of freedom in motor learning gave emphasis to muscle and joint activity, the broader concept of dimensions of behavior is relevant to brain–computer interface learning where there is no muscle activity. The role of degeneracy in the dimensions of brain activity is proposed to enhance learning through robustness to stability loss and adaptability in the search for new stable states. Principles for the application of augmented information for learning to coordinate and control the degenerate degrees of freedom in the brain–computer interface are outlined. 相似文献
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Brian J. Zikmund‐Fisher 《决策行为杂志》2004,17(5):365-379
Research on willingness to make marginal investments (e.g., the escalation and sunk cost literatures) has often focused on project completion decisions, such as the “radar‐blank plane.” This paper discusses a fundamentally different type of marginal investment decision, that of couples deciding whether to continue infertility treatment in the face of repeated failures. Two experiments based on this context show that when people face multiple independent chances to achieve a valued goal but are unsure about chances of success, premature quitting or “de‐escalation” is the norm. Repeated negative feedback appears to induce individuals to see each successive failure as more and more diagnostic. As a result, even a short series of failed attempts evokes beliefs that future attempts will also fail. These emergent expectations of failure, generated by causal attribution processes, associative learning, and/or discounting of ambiguous information, appear very compelling and induce people to forgo profitable marginal investments. Copyright © 2004 John Wiley & Sons, Ltd. 相似文献
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Perceivers generally show a poor ability to detect changes, a condition referred to as “Change Blindness” (CB). They are, in addition, “blind to their own blindness”. A common explanation of this “Change Blindness Blindness” (CBB) is that it derives from an inadequate, “photographical” folk-theory about perception. This explanation, however, does not account for intra-individual variations of CBB across trials. Our study aims to explore an alternative theory, according to which participants base their self-evaluations on two activity-dependent cues, namely search time and perceived success in prior trials. These cues were found to influence self-evaluation in two orthogonal ways: success-feedback influenced self-evaluation in a global, contextual way, presumably by recalibrating the norm of adequacy for the task. Search time influenced it in a local way, predicting the success of a given trial from its duration. 相似文献
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This study aimed to assess the effect of subjective difficulty on the degree of featural or configural processing in face recognition. It could be assumed that featural processing is analytic processing ( Peterson & Rhodes, 2003 ), while configural processing is automatic processing ( Dunning & Stern, 1994 ). It has been suggested that task difficulty affected the automaticity of processing. Task difficulty was manipulated using a number of alternatives or time pressure. Subjective difficulty could also affect the automaticity of processing. If so, then subjective difficulty may in turn affect the degree of featural or configural processing. Participants in a difficult condition were given instructions mentioning that the face‐recognition task was difficult, while participants in the control condition were given no such instruction. The amount of retrieved featural information in the former condition was less than that in the latter. These results suggested that the degree of featural processing decreased when the participants found the task difficult. 相似文献
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该研究采用情景类比任务,通过两个实验对180名小学生进行纸笔测验,探讨了任务难度对儿童类比推理能力的影响.结果发现:进行反馈学习以降低任务难度时,7~8岁儿童能完成更高年龄段儿童才能完成的任务;但增加任务难度,11岁以上儿童也表现出类比推理能力的弱化.结果提示,儿童是否能在类比推理任务中表现出相应的能力可能取决于任务难度,反馈学习可促进一定年龄段内儿童的类比推理能力发展.本结果为有机融合皮亚杰和Goswami等人的观点提供了有效的实验依据. 相似文献