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271.
在高不确定,高度竞争,高度挑战的任务情景下,领导力在团队中将扮演怎样的角色?变革型领导力与交易型领导力又是如何预测团队任务绩效的?为了回答这些问题,该研究对130名学生被试,31个团队,用ERP沙盘模拟游戏来进行模拟实验。通过高度模拟现实中企业经营的情景,从而提高实验结果的外部效度。实验结果表明,变革型领导力与交易型领导力都能够积极地预测团队任务绩效,消极领导力与任务绩效呈负相关,虽然并没有达到统计学显著水平,但研究结果的方向都支持了实验假设。 相似文献
272.
A unique hallmark of human language is that it uses signals that are both learnt and symbolic. The emergence of such signals was therefore a defining event in human cognitive evolution, yet very little is known about how such a process occurs. Previous work provides some insights on how meaning can become attached to form, but a more foundational issue is presently unaddressed. How does a signal signal its own signalhood? That is, how do humans even know that communicative behaviour is indeed communicative in nature? We introduce an experimental game that has been designed to tackle this problem. We find that it is commonly resolved with a bootstrapping process, and that this process influences the final form of the communication system. Furthermore, sufficient common ground is observed to be integral to the recognition of signalhood, and the emergence of dialogue is observed to be the key step in the development of a system that can be employed to achieve shared goals. 相似文献
273.
A human social discount function measures the value to a person of a reward to another person at a given social distance. Just as delay discounting is a hyperbolic function of delay, and probability discounting is a hyperbolic function of odds-against, social discounting is a hyperbolic function of social distance. Experiment 1 obtained individual social, delay, and probability discount functions for a hypothetical $75 reward; participants also indicated how much of an initial $100 endowment they would contribute to a common investment in a public good. Steepness of discounting correlated, across participants, among all three discount dimensions. However, only social and probability discounting were correlated with the public-good contribution; high public-good contributors were more altruistic and also less risk averse than low contributors. Experiment 2 obtained social discount functions with hypothetical $75 rewards and delay discount functions with hypothetical $1,000 rewards, as well as public-good contributions. The results replicated those of Experiment 1; steepness of the two forms of discounting correlated with each other across participants but only social discounting correlated with the public-good contribution. Most participants in Experiment 2 predicted that the average contribution would be lower than their own contribution. 相似文献
274.
The goal of the study was to assess two types of school‐based interventions—a class intervention (integrated) and a small group counseling (segregated) intervention for highly aggressive children—and to determine which is more efficacious in reducing individual and classroom aggression, lessening internalizing and externalizing behavior, and increasing positive classroom relationships. The study, conducted in Israel, included 904 children from 13 schools. In each school, one age level was selected and divided randomly into three experimental conditions: psychoeducational class intervention, small group counseling, and control. In all classrooms, the highly aggressive children were identified a priori (n=166). Analyses were conducted separately for the aggressive children and their nonaggressive classmates, in a nested procedure (mixed models). Results showed similar positive outcomes on all variables in both treatment groups, and higher compared with the control group. The discussion focuses on the strengths of each type of intervention. Aggr. Behav. 35:342–356, 2009. © 2009 Wiley‐Liss, Inc. 相似文献
275.
Two studies investigated the role of beliefs about the acceptability of aggression (“normative beliefs”) against Jews in determining who would join an extremist group. In Study 1, students in a university in Pakistan (N=144) completed self‐report attitude measures, and were subsequently approached by a confederate who asked whether they wanted to join an extremist anti‐Semitic organization. Normative beliefs about aggression against Jews were very strong predictors of whether participants agreed to join. In Study 2, participants (N=92) were experimentally assigned to either a brief educational intervention, designed to improve inter‐group relations, or to a control group. They also filled in self‐report attitude measures pre and post intervention. Participants in the intervention group were much less likely to agree to join the extremist group, and this effect of the intervention on joining was mediated by changes in normative beliefs about aggression against Jews. The results have implications for theories of inter‐group aggression and interventions to prevent people from being recruited into extremist groups. Aggr. Behav. 35:514–519, 2009. © 2009 Wiley‐Liss, Inc. 相似文献
276.
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
277.
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
278.
本研究以上海行政区为划分标准,探讨了"上海人"和"非上海人"群体的地域刻板印象以及"内-外群体效应"。结果发现:(1)IAT结果表明,被试在不相容条件下的反应时显著高于相容条件(t(25)=3.282,p<0.01);(2)SEB结果表明,被试对于不符合刻板印象的句子做出解释的次数显著多于符合刻板印象的句子(t(73)=2.844,p<0.01),且不同地域来源的被试做出的内、外归因也有显著差异(t(72)=3.172,p<0.01)。研究采用两种测验方法证实了地域刻板印象的存在,并且通过实践验证了SEB作为内隐社会认知研究方法的有效性。 相似文献
279.
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