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41.
Tests of fit for exponentiality based on a characterization via the mean residual life function 总被引:1,自引:1,他引:0
We study two new omnibus goodness of fit tests for exponentiality, each based on a characterization of the exponential distribution
via the mean residual life function. The limiting null distributions of the tests statistics are the same as the limiting
null distributions of the Kolmogorov-Smirnov and Cramér-von Mises statistics proposed when testing the simple hypothesis that
the distribution of the sample variables is uniform on the interval [0, 1].
Work supported by the Deutsche Forschungsgemeinschaft 相似文献
42.
Norbert F. Elbert 《决策科学》1979,10(4):629-644
The Campbell and Fiske criteria for assessing the construct validity of multitrait-multimethod (MTMM) matrices has had a long history of use. While various statistical techniques, including ANOVA, have attempted to provide rigor to the MTMM matrix design, numerous problems still remain unsolved. Part of the problem in using an MTMM matrix is the assumption of measurement independence. This study attempts to illustrate the misleading inferences that often occur from MTMM analysis when method variance overlap is not accurately assessed. Three questionnaires were designed that were not method independent. Traditional procedures for assessing MTMM matrices suggested the three scaling formats used were not burdened with unusual method variance. A reanalysis of the MTMM matrix employing a Confirmatory Factor Analysis technique illustrated that method variance was a problem. Finally, the need for studies that concentrate on the nature of method variance, its causes and effects, is discussed. 相似文献
43.
Dr. Norbert Frieters-Reermann 《Gruppendynamik und Organisationsberatung》2010,41(3):219-233
The spheres of Non-Governmental Organizations (NGO) related to development policy have changed significantly in past years. Therefore NGOs are confronted more and more with areas of tension and contradictions that they influence and challenge with their work. In this context, NGOs that are active in education for sustainable development face a special challenge. All of the contradictions and areas of tension appear condensed in this field and need to be examined and processed adequately from the point of education. The resulting areas of conflict and tension mark the central border area and problems of educational work related to development policy that far outreach the practice of NGOs. 相似文献
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Negotiation is a complex and dynamic decision process during which parties perceptions, preferences, and roles may change. Modelling such a process requires flexible and powerful tools. The use of rule-based formalism is therefore expanded from its traditional expert system type technique, to structuring and restructuring non-trivial processes like negotiation. Using rules we build a model of a negotiation problem. Some rules are used to infer positions and reactions of the parties, other rules are used to modify problem representation when such a modification is necessary. We illustrate the approach with a contract negotiation case between two large companies. We also show how this approach could help one party to realize that negotiations are being carried on against their assumptions and expectations. 相似文献
46.
Dr. Thomas Petersen Peter Voß Peter Sabel Norbert Grube 《KZfSS K?lner Zeitschrift für Soziologie und Sozialpsychologie》2004,56(4):736-745
A document compiled by Charlemagne in the year 811 can be viewed as a precursor to the structured survey and thus as a part of the very beginnings of empirical social research. Charlemagne intended to use the list, which resembles a discussion guide employed in an intensive interview, to exert moral pressure on the secular and clerical leaders of his realm, who were gathered for a parliamentary assembly. At the same time, however, it is also evident that at least some of the questions were designed to gather information on the mood of the population throughout the empire. These questions were probably passed on to the sovereigns and clerics in the provinces. Another document from the year 811 would seem to indicate that answers to similar lists of questions did in fact arrive at the emperor’s court. Both documents attest to a means of gathering information that could be viewed as the first attempt to conduct at an opinion survey. 相似文献
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