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A fundamental problem in organizations is designing mechanisms for eliciting voluntary contributions from individual members of a team who are entrapped in a social dilemma. To solve the problem, we utilize a game‐theoretical framework that embeds the traditional within‐team social dilemma in a between‐team competition for an exogenously determined prize. In equilibrium, such competition enhances the incentive to contribute, thereby reducing free‐riding. Extending existing literature, we focus on asymmetric competitions between teams of unequal size, and competitions between more than two teams. Comparing two protocols for sharing the prize—egalitarian and proportional profit‐sharing rules—we find that (i) free‐riding diminishes and (ii) team members contribute more toward their team's effort when they belong to the larger team and when the profit‐sharing rule is proportional. (iii) Additionally, under the egalitarian profit‐sharing rule team members contribute more than predicted by the equilibrium solution. We discuss implications of our findings for eliciting contributions in competitive environments. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
33.
采用跨语言长时竞争启动范式探讨汉语为二语学习者言语产生中的跨语言干扰。实验1的被试选择18名俄语为母语者, 实验2选择18名日语为母语者。自变量是命名语言(一语和二语)和学习条件(学过一致、学过不一致和未学过), 因变量是测验阶段被试图片命名的反应时和正确率。实验分为学习阶段和测验阶段, 被试分别用一语和二语命名图片, 观察被试在测验阶段学过一致与学过不一致两种条件下是否都能产生促进效应。实验结果发现, 无论俄语为母语者还是日语为母语者, 被试只有在学过一致条件下的反应时显著快于未学过条件, 而学过不一致条件下的反应时跟未学过没有显著差异。本研究结果表明, 汉语为二语学习者言语产生中存在跨语言干扰, 且语言间书写特征的差异对跨语言干扰没有影响。 相似文献
34.
Previous studies of multisensory integration have often stressed the beneficial effects that may arise when information concerning an event arrives via different sensory modalities at the same time, as, for example, exemplified by research on the redundant target effect (RTE). By contrast, studies of the Colavita visual dominance effect (e.g., [Colavita, F. B. (1974). Human sensory dominance. Perception & Psychophysics, 16, 409–412]) highlight the inhibitory consequences of the competition between signals presented simultaneously in different sensory modalities instead. Although both the RTE and the Colavita effect are thought to occur at early sensory levels and the stimulus conditions under which they are typically observed are very similar, the interplay between these two opposing behavioural phenomena (facilitation vs. competition) has yet to be addressed empirically. We hypothesized that the dissociation may reflect two of the fundamentally different ways in which humans can perceive concurrent auditory and visual stimuli. In Experiment 1, we demonstrated both multisensory facilitation (RTE) and the Colavita visual dominance effect using exactly the same audiovisual displays, by simply changing the task from a speeded detection task to a speeded modality discrimination task. Meanwhile, in Experiment 2, the participants exhibited multisensory facilitation when responding to visual targets and multisensory inhibition when responding to auditory targets while keeping the task constant. These results therefore indicate that both multisensory facilitation and inhibition can be demonstrated in reaction to the same bimodal event. 相似文献
35.
Chimpanzees (Pan troglodytes) know what others can and cannot see in a competitive situation. Does this reflect a general understanding the perceptions of others? In a study by Hare et al. (2000) pairs of chimpanzees competed over two pieces of food. Subordinate individuals preferred to approach food that was behind a barrier that the dominant could not see, suggesting that chimpanzees can take the visual perspective of others. We extended this paradigm to the auditory modality to investigate whether chimpanzees are sensitive to whether a competitor can hear food rewards being hidden. Results suggested that the chimpanzees did not take what the competitor had heard into account, despite being able to locate the hiding place themselves by the noise. 相似文献
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Agustin Echebarria-Echabe 《Asian Journal of Social Psychology》2009,12(1):47-53
We present a study of the sociopsychological profiles of students who are disposed to engage in social competition on behalf of ingroup interests. Five predictors were selected: the advantageous or unfavourable context for ingroup interests, group identification, meritocracy, just-world beliefs, and social dominance orientation. It was found that those students who were prepared to invest personal resources on behalf of ingroup interests were characterized by a strong group identification and middle or low scores in the meritocracy and social dominance orientation. In contrast, students with the lowest disposition to social competition were defined by their low identification and/or middle-high scores in the meritocracy and social dominance orientation. Against our expectation, the manipulation of the favourable versus unfavourable situation of the ingroup did not have a significant influence. In order of their importance, the variables that showed stronger effects were group identification, followed by meritocracy, social dominance orientation, and world-just beliefs. 相似文献
38.
Social foraging is suggested to increase foraging efficiency, as individuals might benefit from public information acquired
by monitoring the foraging activities of other group members. We conducted a series experiments with captive common marmosets
(Callithrix jacchus) to investigate to what extent marmosets utilize social information about food location when foraging simultaneously with
conspecifics. Subjects were confronted with dominant and subordinate demonstrators in three experiments which differed in
the amount of information about food location available to the demonstrators. In all three experiments, the focal subjects’
performance in the social condition was not enhanced in comparison to a non-social control condition. Because we could rule
out kleptoparasitism and aggressive displacements as explanations, we argue that the subjects’ tendency for scramble competition
by avoiding others and dispersing over the foraging area seems to inhibit or mask the acquisition of social information about
the location of rewarded patches. 相似文献
39.
社会认同理论视野下的社会认同威胁 总被引:2,自引:0,他引:2
社会认同威胁是指,在社会比较的情况下,由于群体地位的差异,某一群体的个体在认知、情感上,对自我、所属群体身份的不承认,而产生的一种心理上的疏离感和剥夺感、自卑感。社会认同威胁的结果包括3类:脱离群体、改变群体的状态、接受消极的社会认同结果。外显“社会威胁”的测量方法以问卷调查为主。测量“社会威胁”的内隐方法则以心脏血压和平均动脉血压作为测量指标。社会认同威胁的实验研究将群体分化为内群体和外群体,操纵群体地位的差异,通过模拟社会游戏来了解群体的社会认同威胁及其生理反应。未来的研究将重点关注下述问题:对社会认同威胁概念的建构、跨文化研究及其内隐过程的分析 相似文献
40.
当代大学生对竞争认识的调查研究 总被引:4,自引:0,他引:4
以天津市和广州市532名大学生为被试,采用半开放式问卷,采用团体测试的方式,研究了他们对竞争的认识,并对这种认识进行了理论分析。研究结果发现:(1)大学生由竞争一词最易联想到“激烈”、“残酷”、“公平或不公平”、“压力或动力”等内容;(2)大学生认为竞争存在的领域从高到低依次是商业与市场经济、就业与工作、比赛与体育运动、学习与考试、国家与社会等;(3)大学生认为竞争是“激烈”、“残酷”、“对抗”等;(4)大学生认为竞争的主要作用是动力、压力和机遇或挑战;(5)大学生对竞争性质的认识存在显著的性别差异和地区差异。 相似文献