The effect of television viewing on ethnic prejudice against immigrants: A study in the Italian context

Television viewers construct many different meanings from the programs they watch. Here, we investigated whether ethnic prejudice is differentially influenced by the genre of television programs in their portrayal of ethnic minorities. We also wanted to determine whether a higher educational level reduces ethnic prejudice and television use. A self-reported questionnaire was administered to 401 Italian adults. Structural equation modeling was used to analyze the relationships between ethnic prejudice and television program contents and educational level. Viewing Reality and Variety Shows was positively related to ethnic prejudice, News and Public Affairs was negatively related, and Films and TV series had no apparent influence on prejudice. Educational level was negatively related to both ethnic prejudice and watching Reality and Variety Shows, and positively related to viewing News and Public Affairs and Films and TV series programs.     

虚拟企业可靠性及其理论评价模型研究

综合虚拟企业及可靠性理论,在深入分析影响虚拟企业功能因素的基础上提出虚拟企业可靠性理论评价模型,为对虚拟企业及虚拟企业可靠性进行更加深入的研究打下了理论基础.     

一份阅读试题的评估(Ⅰ)

This paper evaluates a reading test designed as the final examination of some third year seeondary school students in Singapore. Based on the data, histogram is made to illustrate the distribution of different marks among the candidates. The paper then proceeds on to discuss the reliability and validity of the test. Problems affecting the validity of the test are pointed out and improvements are suggested.     

基于车辆自动定位系统数据的地面公共交通运行时间可靠性分析(英文)

为了给公交线路车辆调度提供重要参数及给公交运营管理和居民公交出行提供决策依据,应用车辆自动定位系统数据对公共交通运行时间可靠性进行了分析. 基于对公共交通运行时间的统计分析,提出变异系数、分布宽度、运行速度、堵率、规划时间、预留时间等 6 个指标,构建了公共交通运行时间可靠性评价分析框架. 苏州市某公交线路实例分析结果表明,所提出的评价指标体系简单直观,能有效反映该线路公交车辆运行的效率和稳定性,且公共交通运行时间可靠性具有随不同时段变化的特征.     

浅论区域科技创新能力评价体系

：在建立科技创新能力评价指标体系的基础上,提出“指标体系的可靠性分析”、“权重确定的层次分析和 熵分析”、“评价结果的聚类分析”的“三析一体”评价体系,并以中部六省会城市为评价对象,进行科技创新能力评价 的实证分析。     

杨氏模量实验的设计

测金属丝杨氏模量的实验,都是围绕如何测准金属丝在外力作用下的伸长量而设计的,传统的方法是利用光杠杆去测量。由于读数显微镜的分度值为,并可读到毫米的第三位,因此可利用读数显微镜去测量金属丝在外力作用下的伸长量,这样在操作上较传统的方法更为方便,同时也提高了测量结果的可靠程度。     

Subscores Based on Classical Test Theory: To Report or Not to Report

There is an increasing interest in reporting subscores, both at examinee level and at aggregate levels. However, it is important to ensure reasonable subscore performance in terms of high reliability and validity to minimize incorrect instructional and remediation decisions. This article employs a statistical measure based on classical test theory that is conceptually similar to the test reliability measure and can be used to determine when subscores have any added value over total scores. The usefulness of subscores is examined both at the level of the examinees and at the level of the institutions that the examinees belong to. The suggested approach is applied to two data sets from a basic skills test. The results provide little support in favor of reporting subscores for either examinees or institutions for the tests studied here.     

"副+副"组合再议

副词修饰副词的"副 副"组合有两种结构形式,在使用中对句法也有一定的要求,其产生发展是我们汉语言的"意合"理解机制及其特殊的语用价值决定的,同时社会的发展变化也产生了巨大的促进作用。     

我国环境责任保险相关问题之探索分析

环境污染及其损害已成为人类无法回避的共同问题,环境责任保险也已被国际社会证明是一种有效的环境风险管理的市场机制,因此我国建立环境责任保险制度势在必行。虽然有过试点实践,但是尚欠成熟。文章从环境责任保险承保机构模式、承保范围和保险赔偿金来源等几个方面,以理论分析和实证分析的方式探讨学界没有达成共识的一些问题,来探索适合我国国情的相关理论方法,并提出相关建设性意见。     

产业集群网络组织间竞争情报模式

在网络成员弱联系关联和结构洞开拓的背景中,(集群)网络组织之间的竞争情报活动得以开展和扩展。文章分析了(集群)网络组织之间竞争情报产生的原因,提出了两种基于弱联系关联和结构洞开拓的(集群)网络组织间的竞争情报模式,即直接模式和间接模式,其中直接模式又包括行动者的先动性模式和网络合作伙伴的跟进性模式。