Some results on optimality in models with heteroscedastic errors from partial optimum designs

This paper studies optimum designs for linear models when the errors are heteroscedastic. Sufficient conditions are given in order to obtainD-, A- andE-optimum designs for a complete regression model from partial optimum designs for some sub-parameters. A result about optimality for a complete model from the optimality for the submodels is included. Supported by Junta de Andalucía, research group FQM244.     

A “brer rabbit” case for reverse mandated benefits

Reverse mandated benefits is a government-mandated policy that requires employees to provide their employers with benefits that workers would not provide otherwise. Of course, only those benefits would be mandated that are worth more to employers than they cost, as determined by political authorities. My case for such a policy argues that it is at least as sensible as policies mandating that employers provide benefits to their employees that would not be provided otherwise.     

多媒体课件的制作和相关技术的操作

本文主要介绍了设计和制作多媒体教学软件的方法 ,并从制作技术方面探讨了编程语言和使用素材的控制问题。     

高校招生纠纷可诉化与高校的应对措施

高校招生纠纷即将由不可诉变为可诉,其法理基础是高校作为特殊公法人,其招生行为具有行政行为的属性.高校在招生中要承担依法招生、公正招生、遵守招生合同等义务.高校因招生纠纷被诉的主要事由包括进行虚假的招生宣传、招生政策不合法、不按公布的规程录取考生等.为应对招生纠纷可诉化,高校既要在诉讼出现时积极应诉,更要注意避免被诉.高校避免因招生纠纷被诉的主要措施包括树立依法招生的理念、重视<招生章程>的制订与发布以及规范招生行为.     

论创新人才的培养

当今时代是知识不断创新的时代,创新人才培养是时代的要求。以培养创新人才为根本任务的高等学校,必须在教育思想上和教育实践上实现四个转变,积极探索适应以培养创新人才为目标、以综合素质为特征、以能力为中心的人才培养模式,确立和实践适应新时代要求的创新型人才的培养机制,以赢得未来教育的主动权。     

Beheimatungsprozesse begleiten — ein Werkstattbericht

Supporting processes of belonging in supervision and coachingThe contemporary employee has to cope with frequent changes. Not only does he lose his familiar environment, he also has to find ways to familiarize himself with new places and to develop a fresh sense of belonging. This process can be understood and facilitated by interpreting the German concept of “Heimat“ as something we have to create ourselves. First experiences demonstrate the usefulness of this approach in coaching processes.     

Expected sample moments of concomitants of selected order statistics

In this paper, the task of determining expected values of sample moments, where the sample members have been selected based on noisy information, is considered. This task is a recurring problem in the theory of evolution strategies. Exact expressions for expected values of sums of products of concomitants of selected order statistics are derived. Then, using Edgeworth and Cornish-Fisher approximations, explicit results that depend on coefficients that can be determined numerically are obtained. While the results are exact only for normal populations, it is shown experimentally that including skewness and kurtosis in the calculations can yield greatly improved results for other distributions.     

设计素描的四种基本功

设计素描作为学习设计的一门基础课程,通过观察方法、思维方式、表现形式、立体观念和细节刻画四个方面的介绍说明设计素描对于学习产品设计的重要性.