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71.
Bureaucratic Reform and Issues of Political Responsiveness 总被引:1,自引:0,他引:1
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The purpose of this study is to quantify 86 contingent variables and modify the construct of the contingency theory. A nationwide survey among public relations practitioners first enabled quantitative analysis of the 86 contingent variables affecting public relations practice, divided into 12 factors on two dimensions. This test gave parsimony to the matrix of 86 contingent variables initially offered in the matrix, provided validity to the contingency theory, and suggested its theoretical evolution measured against Occam's Razor, which holds that the simplest explanation is generally the most precise and thus the best approach to follow in building theories. 相似文献
73.
This paper concerns designed experiments involving observations of orientations following the models of Prentice (1989) and Rivest &Chang (2006). The authors state minimal conditions on the designs for consistent least squares estimation of the matrix parameters in these models. The conditions are expressed in terms of the axes and rotation angles of the design orientations. The authors show that designs satisfying U1 + … + Un = 0 are optimal in the sense of minimizing the estimation error average angular distance. The authors give constructions of optimal n‐point designs when n ≥ 4 and they compare the performance of several designs through approximations and simulation. 相似文献
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杜洪波 《西华大学学报(哲学社会科学版)》2012,(3):28-30
海洋一直是澳大利亚文学作品关注的焦点。在澳大利亚文学的发展过程中,对海洋的描写和关注已然成为澳洲作家和作品必不可少的一个部分。本文主要介绍了西澳作家及其文学作品对海洋的关注,并罗列了当今西澳文学界的主要作家及其关注海洋的主要作品,阐述了海洋话题在澳洲文学作品发展史上的普遍性和重要性。 相似文献
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For sampling from a normal population with unknown mean, two families of prior densities for the mean are discussed. The corresponding posterior densities are found. A data analyst may choose a prior from these families to represent prior beliefs and then compute the corresponding Bayes estimator, using the techniques discussed. 相似文献
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Economic Stress in Lives: Developmental Perspectives 总被引:1,自引:0,他引:1
A major task for research on the social costs of economic stress is to trace how macrosocial changes affect increasingly smaller social units and ultimately those microsocial phenomena that directly influence children in their families. In this paper, we specify linkages between macroeconomic change and children's development by tracing deprivational effects through family adaptations in the household economy and in personal relationships. Our findings from research on children and families of the Great Depression are discussed in relation to an interactional model of the process by which families adapt to stressful times. 相似文献