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An identical task was labeled as either difficult or easy. Bogus performance feedback was given to each subject at random after the first work period. Subjects were divided into high or low self-esteem groups based on a median split in their scores on the self-esteem measure. The results showed that subjects set lower goals in the difficult condition than they did in the easy condition in the first period; however, no difference was found in the second period. Subjects with high self-esteem had higher certainty than those with low self-esteem in the second period. Subjects in the positive feedback group made higher ability and effort attributions than those in the negative feedback group. 相似文献
393.
This study investigated gender differences in anxiety and coping styles under the stress of intense military training. We surveyed Chinese female (n = 470) and male (n = 379) military officers who were surveyed during the third month of a 10-month intensive training program. Results indicated that state and trait anxiety were highly correlated in both women and men. In general, female officers had higher levels of anxiety, greater negative coping tendencies, and less perceived self-efficacy than their male counterparts. When compared with the norm, both women and men had significantly more positive coping strategies. A hierarchical multiple regression analysis showed factors that influenced male and female state anxiety. Avoidance, which was chosen by women more often than men, in general was less useful for female officers. The most common positive coping style for female officers was problem solving, whereas for men it was help seeking. We suggested that even female officers with lower mental health levels than their male counterparts made active cognitive changes to their coping styles when undergoing intense military training. 相似文献
394.
Binghui Ge Yushi Luo Jiarong Li Jing Zhu Dingzhong Tang Zhonglou Gui 《Philosophical Magazine Letters》2013,93(10):541-546
The γ/γ′ interfaces are thought to play an important role in determining the mechanical properties in single-crystal nickel-based superalloys. In this article, interfacial width in DD6, one second-generation single-crystal superalloy containing 2 wt% Re, has been studied by means of scanning transmission electron microscopy. From an atomic resolution high angle annular dark field image, both compositional interfaces and order–disorder interfaces are studied, and it is first found that the interfacial width of chemical composition is same with that between the ordered and disordered phases. 相似文献
395.
该研究运用事件相关电位技术,采用肯定和否定的表达方式呈现自我参照任务,探讨不同表达方式对自我积极偏向效应的影响。实验一中,行为数据显示,自我积极偏向效应表现的并不完整;ERP数据显示,P200波幅的结果与行为数据结果相一致。实验二中,行为数据显示,自我积极偏向效应表现得完整;ERP数据显示,P200成分上并未产生任何实验效应。综合两个实验结果,证明了不同表达方式对自我积极偏向效应的表现存在影响。导致这种差异的根本原因可能在于两种表达方式造成的注意资源不同。 相似文献
396.
397.
Xiuyan Guo Shan Jiang Hongyi Wang Lei Zhu Jinghua Tang Zoltan Dienes Zhiliang Yang 《Consciousness and cognition》2013,22(1):203-211
We demonstrated unconscious learning of task-irrelevant perceptual regularities in a Serial Reaction Time (SRT) task in both visual and auditory domains. Participants were required to respond to different letters (‘F’ or ‘J’, experiment 1) or syllables (‘can’ or ‘you’, experiment 2) which occurred in random order. Unbeknownst to participants, the color (red, green, blue or yellow) of the two letters or the tone (1–4) of the syllables varied according to certain rules. Reaction times indicated that people indeed learnt both the color and tonal regularities indicating that task-irrelevant sequence structure can be learned perceptually. In a subsequent prediction test of knowledge of the color or tonal cues using subjective measures, we showed that people could acquire task irrelevant knowledge unconsciously. 相似文献
398.
随着以用户间交互为特征的Web 2.0理念的深入发展,顾客期望借助互联网参与到价值的生产与创造过程中,以期通过自我潜能发挥和自我价值展示寻求获得一种有别于享乐型快乐感的实现型快乐感.以往顾客参与研究大多关注其经济利益、如何管理、影响因素、获得的实际利益,而对于顾客参与过程中的心理机制和参与后的心理收获研究不多.本研究以互联网为背景,从顾客视角出发,科学采用实验、实证等多种方法,并尝试采用生理仪器(如多导仪、脑电核磁共振仪等)采集顾客行为和生理的客观数据,利用自我决定理论对顾客参与过程的心理反应和参与后的心理收获进行系统探讨,构建顾客参与过程的心理动态模型. 相似文献
399.
Sy‐Miin Chow Niansheng Tang Ying Yuan Xinyuan Song Hongtu Zhu 《The British journal of mathematical and statistical psychology》2011,64(1):69-106
Parameters in time series and other dynamic models often show complex range restrictions and their distributions may deviate substantially from multivariate normal or other standard parametric distributions. We use the truncated Dirichlet process (DP) as a non‐parametric prior for such dynamic parameters in a novel nonlinear Bayesian dynamic factor analysis model. This is equivalent to specifying the prior distribution to be a mixture distribution composed of an unknown number of discrete point masses (or clusters). The stick‐breaking prior and the blocked Gibbs sampler are used to enable efficient simulation of posterior samples. Using a series of empirical and simulation examples, we illustrate the flexibility of the proposed approach in approximating distributions of very diverse shapes. 相似文献
400.
经济发展方式转变障碍与制度创新 总被引:3,自引:0,他引:3
本文运用经济学原理阐述经济发展方式转变为什么困难及其破解途径。文中指出了经济发展方式转变的背景及其重要意义,进而分析了当前我国经济发展方式转变所面临的主要障碍或转变成本:经济结构不合理、资源稀缺、利益冲突、沉淀成本,随后探索了克服转变障碍的根本路径在于制度创新,最后从市场、政府、企业三个层面提出加快经济发展方式转变的对策建议。 相似文献