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81.
Using the theory of pseudo maximum likelihood estimation the asymptotic covariance matrix of maximum likelihood estimates for mean and covariance structure models is given for the case where the variables are not multivariate normal. This asymptotic covariance matrix is consistently estimated without the computation of the empirical fourth order moment matrix. Using quasi-maximum likelihood theory a Hausman misspecification test is developed. This test is sensitive to misspecification caused by errors that are correlated with the independent variables. This misspecification cannot be detected by the test statistics currently used in covariance structure analysis.For helpful comments on a previous draft of the paper we are indebted to Kenneth A. Bollen, Ulrich L. Küsters, Michael E. Sobel and the anonymous reviewers of Psychometrika. For partial research support, the first author wishes to thank the Department of Sociology at the University of Arizona, where he was a visiting professor during the fall semester 1987. 相似文献
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Gerhard Chroust 《World Futures: Journal of General Evolution》2013,69(1):51-62
Human beings need communication. During the development of mankind, a multitude of communication technologies have been invented and used. Some of them had a dramatic impact on society in general and on the way scientific knowledge was disseminated. In this article we discuss some of the effects of each of these changes to teaching as a way of disseminating scientific knowledge. We discuss some of the potential effects caused by the new revolution of communication due to the World Wide Web and the potential of ubiquitous computing. We discuss the evolution of communication technology followed by a discussion of the achievements of each technology. Next, the effects of these achievements on teaching are discussed. Finally, we set these considerations into a broader context and discuss the effects on two important parameters: lead time of the teacher and verifiability of the teacher's claims. 相似文献
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Gerhard Schüßler 《Psychotherapeut》1998,43(6):382-390
Ohne Zusammenfassung 相似文献
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We establish a parsimonious theoretical framework of consumer wisdom based on five mutually reinforcing psychological facets. Our research draws from wisdom literature and a set of 31 phenomenological interviews with informants who were identified through a multi‐stage nomination process. The five facets of consumer wisdom that emerged are Intentionality, Contemplation, Emotional Mastery, Openness, and Transcendence. Together, they comprise a data‐grounded, aspirational model of consumer wisdom—for researchers as well as consumers—to understand, maintain, and improve personal and collective well‐being. We discuss the implications of the framework and directions for future research. 相似文献
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Individuals high in psychopathy are often portrayed as more likely to display antisocial behaviour in the workplace and to demonstrate lower job performance. Current research on the impact of trait psychopathy in the workplace is characterized by divergent findings of moderate versus weak effects. We aim to address two potential causes for these discrepant results: mono-source bias and the failure to consider the situational factors that can activate psychopathy. In addition, we used the triarchic model of psychopathy, which incorporates the meanness dimension, a conceptualization of predatory orientation. Our multi-source design disconfirmed concerns that the effects of psychopathy are merely based on mono-source bias. More specifically, we found that the predatory orientation of managers high in psychopathy and especially high in the trait of meanness was behaviourally activated by high levels of ascendency prospects and prospects for income increases. High psychopathy, mediated by consideration towards subordinates and moderated by high ascendency prospects and high prospects for income increases, was associated with low supervisory job performance ratings. Implications and limitations of our findings and directions for future research are discussed. 相似文献
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Benjamin Fauth Jasmin Decristan Svenja Rieser Eckhard Klieme Gerhard Büttner 《Social Psychology of Education》2018,21(5):1225-1249
In this study, we investigated conditions and consequences of teacher popularity in primary schools. Teacher popularity is embedded in a theoretical framework that describes relationships between teacher competence, teaching quality, and student outcomes. In the empirical analyses, we used multilevel modeling to distinguish between individual students’ liking of the teacher and a teacher’s popularity as rated by the whole class (N?=?1070 students, 54 teachers). The classroom level composite of the extent to which students liked their teacher was a reliable indicator of teacher popularity. Teacher popularity was associated with teacher self-reports of self-efficacy and teaching enthusiasm and with external observers’ ratings of teaching quality. The grades students received were not related to the popularity ratings. In a longitudinal study, teacher popularity predicted students’ learning gains and interest development over and above the effects of teaching quality. These results suggest that teacher popularity can be a useful and informative indicator in research on students’ academic development and teacher effectiveness. 相似文献