The often overlooked issue of statistical power: This and other issues regarding assessing importance weighting in quality of life measures

In the area of quality of life research, researchers may ask respondents to rate importance as well as satisfaction of various life domains (such as job and health) and use importance ratings as weights to calculate overall, or global, life satisfaction. The practice of giving more important domains more weight, known as importance weighting, has not been without controversy. Several previous studies assessed importance weighting using the analytical approach of moderated regression. This study discusses major issues related to how importance weighting has been assessed. Specifically, this study highlights that studies on importance weighting without considering statistical power are prone to type II error, i.e., failing to reject the null hypothesis of no significant weighting effect when the null hypothesis is actually false. The sample size required for adequate statistical power to detect importance weighting functions appeared larger than most previous studies could offer.     

章公祖师佛像跨国追索诉讼国际私法问题研究

从章公祖师佛像跨国追索诉讼主体资格问题切入,分析佛像的法律性质,探讨涉案物权准据法的确定及适用问题。该案原告应由阳春村全体村民担任。涉案佛像属于文物,建议村民在荷兰法院提起原物返还之诉。受案法院应当适用物权冲突法确定准据法,即可能适用中国内地、中国香港或荷兰法律。被告在购买时应当对涉案佛像来源产生合理怀疑,因此不构成“善意”;原告应尽可能搜集证据证明《荷兰民法典》规定的20年消灭时效因起诉而中断。依据《香港货品售卖条例》和中国内地物权法理论与实践,被告均不能取得系争佛像的所有权。     

需求率受推广努力水平影响的新能源汽车租赁系统协调契约

考虑由新能源汽车租赁企业和政府组成的二级系统，在需求率为随机且与推广努力水平相关的市场环境下，建立了新能源汽车租赁企业和政府之间的博弈模型，探讨了分散决策、集中决策、收益共享与成本共担契约下的最优车队配置和推广努力水平，并对三种情形下的最优决策进行了比较和分析。研究结果表明：在分散决策情况下无法实现系统协调，通过引入成本共担与收益共享组合契约，当契约参数满足一定条件时，该组合契约模型不仅可以实现系统协调而且可以使系统成员达到帕累托改进。最后通过算例分析，验证了模型了可靠性和有效性。     

Inference and optimal design of multiple constant-stress testing for generalized half-normal distribution under type-II progressive censoring

The generalized half-normal (GHN) distribution and progressive type-II censoring are considered in this article for studying some statistical inferences of constant-stress accelerated life testing. The EM algorithm is considered to calculate the maximum likelihood estimates. Fisher information matrix is formed depending on the missing information law and it is utilized for structuring the asymptomatic confidence intervals. Further, interval estimation is discussed through bootstrap intervals. The Tierney and Kadane method, importance sampling procedure and Metropolis-Hastings algorithm are utilized to compute Bayesian estimates. Furthermore, predictive estimates for censored data and the related prediction intervals are obtained. We consider three optimality criteria to find out the optimal stress level. A real data set is used to illustrate the importance of GHN distribution as an alternative lifetime model for well-known distributions. Finally, a simulation study is provided with discussion.     

发展是反贫困的核心问题--广西百色反贫困研究之三

发展是反贫困的主题。发展是解决贫困问题的关键。必须用加快发展的办法解决贫困问题。     

装备工业的快速发展与产业结构的优化升级

落后的技术装备水平是导致我国工业粗放型增长并进而导致结构性矛盾的重要原因。在新的发展阶段 ,优化产业结构 ,淘汰落后技术 ,全面更新技术手段和生产设备 ,加快装备工业发展 ,推进关键设备国产化 ,成为提高国民经济运行质量和效益的战略性环节     

关于精神损害赔偿制度若干问题的探讨

本文从我国精神损害赔偿制度现存的缺陷入手,通过国内外精神损害赔偿制度的简单对比,分析了我国此制度在主、客体范围和金额确定等方面存在的问题,并就此提出一些解决的办法.     

失去原貌的传记——现代小说演变的理论描述

同史诗或纪传体作品一样 ,现代小说可以视为个人传记的变体。自现代主义以来 ,小说叙事从描写人物 (传主 )的行动或行动着的主体转而关注人物的内心生活 ,在某些“新小说”里内在主体也在丧失。小说叙述形式的变化揭示了个人主体性在现代世界的命运。而对叙事可能性的探索或竭力讲出一个故事来 ,则预示着对个人主体性的修复意图。这是关于叙事形式的社会学探讨     

关于新时期高校中层干部素质要求的思考

高等教育事业的快速发展,对高校中层干部提出了较高的素质要求。按照“三个代表” 的要求,以德为本,理念先行,协调为上,守土有责,应当是新时期高校中层干部的基本素质要求。     

试论我国新闻学的学科地位及学科发展

新闻学有自己的理论内涵和科学品质,也有自己的学术积累和发展基础,其学科地位应得到 充分肯定。新闻学不仅要研究新闻事业史、新闻理论、新闻业务,也应研究媒介经济、传媒业经营与管理。为 适应新世纪新闻事业和学科发展的需要,应努力构建有中国特色社会主义新闻学理论体系。