A partial score test for difference among heterogeneous populations

In event time data analysis, comparisons between distributions are made by the logrank test. When the data appear to contain crossing hazards phenomena, nonparametric weighted logrank statistics are usually suggested to accommodate different-weighted functions to increase the power. However, the gain in power by imposing different weights has its limits since differences before and after the crossing point may balance each other out. In contrast to the weighted logrank tests, we propose a score-type statistic based on the semiparametric-, heteroscedastic-hazards regression model of Hsieh [2001. On heteroscedastic hazards regression models: theory and application. J. Roy. Statist. Soc. Ser. B 63, 63–79.], by which the nonproportionality is explicitly modeled. Our score test is based on estimating functions derived from partial likelihood under the heteroscedastic model considered herein. Simulation results show the benefit of modeling the heteroscedasticity and power of the proposed test to two classes of weighted logrank tests (including Fleming–Harrington's test and Moreau's locally most powerful test), a Renyi-type test, and the Breslow's test for acceleration. We also demonstrate the application of this test by analyzing actual data in clinical trials.     

走向公共治理：广东行政管理体制改革的路径

行政管理体制改革是当前深化改革的重要环节，当前行政管理体制改革还存在着一些制约因素。改革开放30年来，广东的行政管理体制改革选取了如下路径：一是从管制型政府向服务型政府转变；二是从传统治道向现代治道变革；三是从“政绩政府”向“绩效政府”转变；四是从“官僚独自”向官员互动的公共能量场转变。     

用Office实现学报编辑部办公信息化管理

从编辑部工作需要的角度,用Office作为应用软件系统,具体阐述了学报编辑部实现处理稿件信息化管理的建库工作.论述了综合运用Word、Excel和Access实现编辑部稿件处理过程的信息化管理途径.用Office完成编辑部工作的信息化管理,为编辑部的信息网上传播提供了坚实的基础和广阔的空间.     

General Job Satisfaction From a Developmental Perspective: Exploring Choice—Job Matches at Two Career Stages

The authors explored predictions of general job satisfaction at early and middle adulthood and uncovered several findings about developmental processes associated with job satisfaction. Tests of life‐span career theory propositions revealed that neither choice‐job congruence nor gender added significantly to predictions of job satisfaction at 2 career stages. Earlier occupational choice and current job added to predictions of midcareer (modal age 43 years) job satisfaction, especially for men. The predictability of job satisfaction is apparently influenced by the career stage when satisfaction is appraised.     

穿越当代"经典"--文化寻根文学热点作品局限评述

所谓文学穿越,它一方面穿越的是政治和文化,并通过政治和文化走向人类关怀,另一方面穿越的是既定的各种世界观,建立起作家自己的世界观。本文所做的,就是依据一个作家应该建立起的对世界的独到的哲学性理解,来看中国新时期文学“文化寻根文学”阶段几部轰动性作品所存在的思想性和文学性局限。     

Neighborhood Structure,Social Organization,and Number of Short‐Term Sexual Partnerships

We examine the relationship between neighborhood structural characteristics, social organization, and the sexual partnering practices of adults. Analyses of 1990 census and 1995–1997 survey‐based data on Chicago neighborhoods and adult sexual activity reveal for men a number of neighborhood influences on sexual partnering practices. First, residential stability is negatively associated with having a short‐term sexual partner in the last year. Second, neighborhood social ties are positively associated with short‐term sexual partnering in neighborhoods with low levels of collective efficacy—the combination of cohesion and shared expectations for beneficial action among neighbors—but this effect is substantially reduced as collective efficacy increases. Moreover, neighborhood collective efficacy and social ties mediate the effect of residential stability on sexual partnering practices. Neighborhood characteristics were not associated with short‐term sexual partnering for women.     

'The Tribunal was the most stressful thing: more stressful than my son's diagnosis or behaviour': the experiences of families who go to the Special Educational Needs and Disability Tribunal (SENDisT)

It is more than 10 years since the Special Educational Needs Tribunal was established in 1994 as an independent panel which arbitrates in disputes between parents of children with the label special educational needs and Local Education Authorities (LEAs) in England. In 2002 the Tribunal began hearing claims for disability discrimination and was re-named the Special Educational Needs and Disability Tribunal (SENDisT). Since 1994 over 20,000 appeals have been registered. This article, which forms part of my ongoing Ph.D. thesis 'Parents as advocates: the experience of parents who register an appeal with SENDisT', offers an analysis of parents' Tribunal stories. Here, the key question is what affect the process of going to SENDisT has on the social, emotional and financial well-being of the family. Through a process of narrative inquiry the aim is to foreground parents' unheard stories and to reveal their 'hidden' experiences.     

数字化媒体教学手段的发展与合理使用

合理运用多媒体教学手段,要选择恰当的多媒体教学方式,处理好与板书、多媒体课件与课程的关系,选择合理的多媒体教学时机,并要合理控制课堂容量。     

实施层级和综合教学管理的思考

加强人文基础课的教学管理,是全面提高教学质量和提升大学文化品质的关键。实行目标层级管理和系统综合管理能更有效发挥人文基础课的文化承载功能。