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61.
基于社会身份理论,在并购情境下,领导的群体原型典型性作为领导群体身份特征的表征,对内群体下属的上向信任存在正向预测作用,即高群体原型典型性的领导更容易获得下属的上向信任。而领导的组织身份凸显性作为领导组织身份特征的表征,负向调节领导的群体原型典型性与上向信任之间的关系。 相似文献
62.
学术写作并非完全机械化,也并非全盘避免作者主观情感的介入。学术作者使用多种话语策略来宣传其观点和立场,营造和谐对话空间,与读者形成良好互动,从而引导读者接受所述命题观点。基于学术语篇互动模型,分别从模糊语策略、作者身份构建方式以及作者与读者的隐性互动三个方面来阐释学术写作中的互动式话语策略。研究表明,每个学科都有其偏好的写作模式,教师应引导学生关注所属学科的语言范式,培养学生的读者意识,并在学术写作中采用积极有效、易于被读者接受的互动策略有力发声,推进研究。 相似文献
63.
Tatiene C. Souza Tarciana L. Pereira Francisco Cribari-Neto Verônica M. C. Lima 《统计学通讯:模拟与计算》2016,45(2):625-642
We consider testing inference in inflated beta regressions subject to model misspecification. In particular, quasi-z tests based on sandwich covariance matrix estimators are described and their finite sample behavior is investigated via Monte Carlo simulations. The numerical evidence shows that quasi-z testing inference can be considerably more accurate than inference made through the usual z tests, especially when there is model misspecification. Interval estimation is also considered. We also present an empirical application that uses real (not simulated) data. 相似文献
64.
Sarah A. Son 《Asian Ethnicity》2016,17(2):171-184
From the Cold War era of the ‘veteran heroes’ to the present view of escaped North Koreans in terms more akin to ‘refugees’ and sometimes even just ‘migrants’, perceptions of North Korean defectors in South Korea have changed as swiftly as the number and origins of Northerners entering the South have expanded. At the same time, government policy for these ethnic ‘brethren’ has evolved considerably, particularly as South Korea has seen fundamental shifts in its independent identity, with important repercussions for the way its citizens view themselves as a collective. This article explores some of the key influences behind changes to policy and perceptions regarding North Korean people in South Korea over the period from 1997 to 2012, by applying international relations theory on national identity and its role in policy formation and change through the need to secure different parameters within that identity. 相似文献
65.
Kung-Jong Lui 《统计学通讯:模拟与计算》2016,45(7):2562-2576
We develop four asymptotic interval estimators and one exact interval estimator for the odds ratio (OR) under stratified random sampling with matched pairs. We apply Monte Carlo simulation to evaluate the performance of these five interval estimators. We note that the conditional score test-based interval estimator with a monotonic transformation and the interval estimator based on the Mantel–Haenszel (MH) type point estimator with the logarithmic transformation are generally preferable to the others considered here. We also note that the conditional exact confidence interval can be of use when the total number of matched pairs with discordant responses is small. 相似文献
66.
We consider a class of dependent Bernoulli variables where the conditional success probability is a linear combination of the last few trials and the original success probability. We obtain its limit theorems including the strong law of large numbers, weak invariance principle, and law of the iterated logarithm. We also derive some statistical inference results which make the model applicable. Simulation results are exhibited as well to show that with small sample size the convergence rate is satisfying and the proposed estimators behave well. 相似文献
67.
江玲 《重庆交通学院学报(社会科学版)》2014,(2):74-76,91
莎士比亚塑造了诸多耳熟能详的人物形象,《皆大欢喜》中的试金石是剧中的"丑角"。作为职业小丑,其幽默风趣随处可见。同时,他与村姑奥德蕾的感情、与忧郁旅人杰奎斯和牧羊人柯林的交流,展现出其幽默风趣外的另一面。分析试金石与三者之间的对话,总结变色龙般的试金石的独特"丑色",并进一步探索试金石"丑角"身份反映出的文艺复兴时期普通民众的心理诉求。 相似文献
68.
王莹 《甘肃联合大学学报(社会科学版)》2012,28(5):56-59
《建国大业》与《建党伟业》是两部影响巨大的献礼影片,两部影片在历史事件选择与表达方面别具手眼,具有突破性。这种突破并非是一时兴起,而是指向了“民族认同”这一深刻主题。 相似文献
69.
《Journal of Statistical Computation and Simulation》2012,82(1-3):177-196
In this paper we consider the possibility of using the bootstrap to estimate the finite sample variability of feasible generalized least squares and improved estimators applied to the seemingly unrelated regressions model. The improved estimators we employ include members of the Stein-rule family and a hierarchical Bayes estimator proposed by Blattberg and George (1991). Simulation experiments are carried out using several SUR examples as well as a very large example based on the price-promotion model, and data, from marketing research. 相似文献
70.
P. W. West 《统计学通讯:模拟与计算》2017,46(6):4951-4965
Simulations of forest inventory in several populations compared simple random with “quick probability proportional to size” (QPPS) sampling. The latter may be applied in the absence of a list sampling frame and/or prior measurement of the auxiliary variable. The correlation between the auxiliary and target variables required to render QPPS sampling more efficient than simple random sampling varied over the range 0.3–0.6 and was lower when sampling from populations that were skewed to the right. Two possible analytical estimators of the standard error of the estimate of the mean for QPPS sampling were found to be less reliable than bootstrapping. 相似文献