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181.
When two agents of unequal strength compete, the stronger one is expected to always win the competition. This expectation is based on the assumption that evaluation of performance is complete, hence flawless. If, however, the agents are evaluated on the basis of only a small sample of their performance, the weaker agent still stands a chance of winning occasionally. A theoretical analysis indicates that, to increase the chance of this happening the weaker agent ought to give up on enough occasions so that he or she can match the stronger agent on the remaining ones. We model such a competition in a game, present its game-theoretic solution, and report an experiment, involving 144 individuals, in which we tested whether players (both weak and strong) are actually sensitive to their relative strengths and know how to allocate their resources accordingly. Our results indicate that they do. 相似文献
182.
汉语主语和宾语关系从句加工难度的比较 总被引:7,自引:0,他引:7
采用自定步速的阅读任务,考察了汉语主语和宾语关系从句的加工难度。实验操纵了汉语关系从句修饰的中心词在主句中的句子成分和从句类型,记录被试每个词的阅读时间。结果表明,汉语主语关系从句的加工在一定程度上难于宾语关系从句的加工,特别是当关系从句修饰的中心词做主句的宾语时,这种困难较为明显。本文从工作记忆负担和句子成分整合的难易程度方面分析了结果产生的原因。 相似文献
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184.
Thomas Pogge 《The Journal of Ethics》2005,9(1-2):29-53
Despite a high and growing global average income, billions of human beings are still condemned to lifelong severe poverty with all its attendant evils of low life expectancy, social exclusion, ill health, illiteracy, dependency, and effective enslavement. We citizens of the rich countries are conditioned to think of this problem as an occasion for assistance. Thanks in part to the rationalizations dispensed by our economists, most of us do not realize how deeply we are implicated, through the new global economic order our states have imposed, in this ongoing catastrophe. My sketch of how we are so implicated follows the argument of my book, World Poverty and Human Rights, but takes the form of a response to the books critics. 相似文献
185.
We propose in this article an Enhanced Agentic Diversity Perspective (EADP), which is derived from the concept of agentic resources in social relational theory. EADP recognizes that all human beings are equally agents, that agentic expressions differ due to variation of individual access to power resources (individual, relational and cultural) and that the current social conditions serve to promote agentic diversity by enhancing all the three domains of power resources. In addition, EADP comprises a proposal for the development of accommodative social spaces. We argue that only in an accommodative social space can diversity unlock innovation; otherwise, it serves as a source for conflict. A constructive, nonhierarchical account of diversity, such as EADP is needed under current social conditions for the optimal becoming of idiosyncratic human agents as well as human society as a whole. 相似文献
186.
依据管理心理学的理论提出了人力资源优化组合的两阶段假设,使之形成可控制的操作程序。在铁路苏州装卸车间进行实验处理并选择情况相似的N站为比较组。实验前后苏州装卸车间和比较组之间都发生了明显的变化,运用《班组群体社会心理气氛调查表》测试职工的成就感、温暖感、舒适感等心理感受与劳动态度有关因素的认知水平等各项指标实控两组都有较其显著性差异。优化组合的企业职工的经济收入有了较大幅度地增加,企业的社会效益和经济效益明显提高。 相似文献
187.
We present a dual-pathway model that differentiates two underlying mechanisms by which age affects selection decisions. In two experimental studies, one with lay persons (n = 316) and one with experienced Human Resource professionals (n = 103), we demonstrate that the relationship between older age and hireability is negatively mediated by perceived appearance, indicating that older candidates receive less favorable ratings because they are perceived as being less physically appealing. Moreover, we demonstrate that the relationship between older age and hireability is positively mediated by perceived experience, indicating that older candidates receive more favorable ratings because they are perceived as being more experienced. Importantly, these two pathways neutralize each other, yielding a null effect when their effects are neglected. 相似文献
188.
How personal resources predict work engagement and self‐rated performance among construction workers: A social cognitive perspective
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Laura Lorente Marisa Salanova Isabel M. Martínez María Vera 《International journal of psychology》2014,49(3):200-207
Traditionally, research focussing on psychosocial factors in the construction industry has focused mainly on the negative aspects of health and on results such as occupational accidents. This study, however, focuses on the specific relationships among the different positive psychosocial factors shared by construction workers that could be responsible for occupational well‐being and outcomes such as performance. The main objective of this study was to test whether personal resources predict self‐rated job performance through job resources and work engagement. Following the predictions of Bandura's Social Cognitive Theory and the motivational process of the Job Demands‐Resources Model, we expect that the relationship between personal resources and performance will be fully mediated by job resources and work engagement. The sample consists of 228 construction workers. Structural equation modelling supports the research model. Personal resources (i.e. self‐efficacy, mental and emotional competences) play a predicting role in the perception of job resources (i.e. job control and supervisor social support), which in turn leads to work engagement and self‐rated performance. This study emphasises the crucial role that personal resources play in determining how people perceive job resources by determining the levels of work engagement and, hence, their self‐rated job performance. Theoretical and practical implications are discussed. 相似文献
189.
Steven M. Finn 《Zygon》2014,49(4):992-1008
The magnitude of the global food waste problem is staggering, yet it receives little mainstream attention. We waste nearly half of all food produced—more than one billion tons annually—yet nearly one billion global citizens are hungry. Our values are out of balance; we need to properly value our food. Urgent change is needed, beginning with heightened awareness and a sense of responsibility to people and planet. Feeding nine billion people by 2050 is a tremendous challenge, but also a tremendous opportunity to develop new levels of innovation and collaboration to eradicate hunger, improve the environment for future generations, and create a more unified, secure world. A new, durable, multifaceted approach to reducing food waste is needed in the form of a global network. This global network should be anchored by a sense of shared responsibility among consumers, businesses, governments, and global institutions to optimize resources in the quest to provide for nine billion people by 2050. 相似文献
190.