The Last Castle: <Emphasis Type="Italic">Better Beach Books</Emphasis> Update     

David Randall 《Academic Questions》2016,29(3):311-317

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Components of Variance of Scales With a Bifactor Subscale Structure From Two Calculations of α     

David Andrich 《Educational Measurement》2016,35(4):25-30

Since Cronbach's (1951) elaboration of α from its introduction by Guttman (1945), this coefficient has become ubiquitous in characterizing assessment instruments in education, psychology, and other social sciences. Also ubiquitous are caveats on the calculation and interpretation of this coefficient. This article summarizes a recent contribution (Andrich, 2015) on the use of coefficient α which complements these many caveats. It shows that in the presence of a simple bifactor structure of a scale where unique components of variance are homogeneous in magnitude, three components of variance and the common latent common correlation among the subscales can be calculated from the ratio of two calculations of α, one at the level of the items, the other at the level of the subscales. It was suggested that these two ready calculations and their interpretation, and the reporting of all four indices in the analysis of scales with a subscale structure, would reduce the misinterpretation of this coefficient. An illustrative example of the application of the calculations is also shown.  相似文献   

Using Consumer Data to Illustrate How the Library Channel Drives Digital Sales     

David Burleigh 《Publishing Research Quarterly》2017,33(4):380-391

The library channel is often underappreciated as a key part of a publisher’s business strategy. In an age where publishers are constantly seeking new revenue and marketing opportunities, presence in the library—digitally—can yield significant growth. This paper examines the library channel, its business model based on library lending, the performance of eBooks and audiobooks across all subjects, and consumer reading behavior. Digital Book Clubs, a relatively new phenomenon, are also defined and illustrated with examples demonstrating the library’s valuable role in increasing discoverability and ultimately sales.  相似文献   

Administrative Bloat at the University of Kentucky: A Case Study on Retention     

J. David Johnson 《Academic Questions》2017,30(4):460-470

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The effect of context on students’ reasoning about forces     

David Palmer 《International Journal of Science Education》2013,35(6):681-696

When attempting to solve closely related problems in science, students will often respond to irrelevant contextual features in the questions rather than generalizing their conceptions over the range of relevant situations. In this study, a group of 40 students (one group of 15‐16‐year‐olds and another of preservice science teachers) was surveyed and interviewed to determine the effect of context on the reasoning which they used to solve problems concerning the forces acting on objects in linear motion. It was found that the younger group of students were influenced by contextual features such as the speed, weight and position of the moving object, the direction of the motion and their own personal experience of the context. There were clearly two types of contextual effects ‐‐ primary and secondary, which are described. The older group of students was generally less affected by context and thus more consistent in their reasoning.  相似文献   

The Abuses of the University     

David S. Webster 《Review of Education, Pedagogy & Cultural Studies》2013,35(3-4):317-321

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CSE Special Australasian Issue—Guest Editorial     

John Fulcher  David Carrington 《Computer Science Education》2013,23(2)

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Mental illness on television: A study of censorship     

George Gerbner 《广播与电子媒介杂志》2013,57(4):293-303

This study was part of a larger project directed by C. E. Osgood and J. C. Nunally of the University of Illinois, conducted under a grant from the National Institute of Mental Health. It is especially interesting, not only because of the current controversy over television program control, but for the light it throws on the operation of the network departments charged with the censorship function.  相似文献   

A Balanced View of the Small Screen     

David E. Fernie  Marjorie A. Cambre 《Review of Education, Pedagogy & Cultural Studies》2013,35(3-4):159-164

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Comments from the editors     

David Feldman Editor 《The Teacher Educator》2013,48(3)

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