Leader-member exchange and organizational citizenship behaviors: Contextual effects of leader power distance and group task interdependence

In this paper we explore the context of the relationship between leader-member exchange and organizational citizenship behaviors (OCB). We maintain that workgroup leader's power distance and the extent of task interdependence in the group exert cross-level effects on the LMX-OCB relationship. We assert that leader power distance attenuates the relationship between LMX and OCB, and this effect is stronger in workgroups with high degree of task interdependence. Results of hierarchical linear modeling analysis of data gathered from 245 employees nested in 54 workgroups supported our hypotheses. LMX-OCB relationship was weaker in workgroups led by high power distance leaders. Further, the three-way cross-level interaction between LMX, leader power distance and group task interdependence demonstrated that the tendency for LMX to have a stronger positive effect on OCB when leader power distance was low rather than high was more pronounced in high task interdependence teams.     

Data tilting for time series

Summary. We develop a general methodology for tilting time series data. Attention is focused on a large class of regression problems, where errors are expressed through autoregressive processes. The class has a range of important applications and in the context of our work may be used to illustrate the application of tilting methods to interval estimation in regression, robust statistical inference and estimation subject to constraints. The method can be viewed as 'empirical likelihood with nuisance parameters'.     

LENGTH-BIASING, CHARACTERIZATIONS OF LAWS AND THE MOMENT PROBLEM

A positive random variable X with a finite mean has an induced length-biased law represented by Y, and Y is stochastically larger than X. An independent uniform random contraction of Y, UY, has the same law as X if and only if the latter is exponential. This property is extended to non-uniform contractions and a more general notion of length-biasing. The distributional equality of X and W leads to a functional equation for the moment function of X, which has either Infinitely many solutions or none. When U is constant, X can have a log-normal law, but it can also have laws with the same moment sequence as this log-nod law. The case where U has a certain beta, or generalized beta, law give t3 characterizations of generalized gamma laws, or to products of independent copies of them. This occurs even when these laws are not determined by their moment sequences.     

工厂供电课程教学方法探讨

工厂供电课程存在着教学任务肾、课时少的现象,按传统的讲授法进行教学,会出现教不好、学不透的两难境地。为避免此类现象的发生,提出了引导法、角色转换法、对比论证法、现代教育法等多种教学方法。经过教学实践证明,这些方法能有效地提高学生的学习效率,促进学生综合能力的提高。     

女人—妻子—母亲:新时期谢晋电影的经典表述

谢晋在新时期的最先动作是把 (女 )英雄 (女 )战士塑造成性别意义上的女性 ;在家庭中她们以“落难”男性的伴侣和精神上的母亲的双重身份承担着拯救功能 ;而生儿育女则是对家庭的另一种方式的拯救     

论语文素质教育背景下的新诗教学

本文以语文素质教育为背景 ,联系中国诗教传统、新诗创作的发展和当代教育的历史转型 ,论述新诗的审美教育价值 ,包括培植理想精神、开启个体心智、蕴蓄生命激情和提升艺术地驾驭母语能力等方面 ,均有其他文体所无法取代的独特的美育价值。在此基础上 ,倡导注重美读、点拨和陶冶这些新诗教学的基本方法。     

模糊语言的独特功能

本文对模糊语言的独特功能从日常生活、文学作品、科学医学三方面进行了探讨 ,从而阐明在自然语言中 ,模糊语言是绝对的、普遍的。语言的模糊性缘于客观事物本身的模糊性及人们对客观世界认识的不确定性。     

试析高校院系资料室的隐性功能

信息时代中 ,由于网络在查找资料上的方便与快捷 ,已经对当前高校的院系资料室形成较大的冲击 ,资料室存在的合理性因此受到质疑。然而 ,笔者认为网络可以取代的只是资料室的显性功能 ,而资料室本身所具有的隐性功能则是网络所无法替代的。本文主要以资料室的隐性功能的阐释为出发点 ,认为环境与交往是资料室隐性功能发挥的重要机制 ,进而剖析高校院系资料室隐性功能的具体体现     

现阶段村民自治运作中的权力博弈

村民自治的运作实际是村落场域内各权力主体之间的博弈过程。在现阶段中国农村村民自治运作中,权力博弈场内的主要局中人是政府、村干部、头面人物、普通村民。由于受村落场域多元性的影响,各类村庄权力主体在不同村庄的公共权力体系中所处的地位和发挥的作用有所差异,因此形成了干部支配型、精英主导型、群众自治型等多种村庄权力结构。村民自治运作中的权力博弈势必导致各类权力主体在村庄公共权力体系中的地位和作用的改变,并引起村庄权力结构的变迁。     

国外生态税实践及其对我国可持续发展建设的启示

初步探讨了生态税在可持续发展中的作用,认为对于正在实施可持续发展战略的中国来说,课征生态税是实现这个战略的重要手段。