Use of laptop computers in an academic medical library     

Atlas MC  Garza F  Hinshaw R 《Medical reference services quarterly》2007,26(2):27-36

Who borrows laptop computers in an academic health sciences library? Why do they choose to check out laptops? In a survey, laptop computer users responded that the laptops were used most frequently to do class-related work. Laptops were most often checked out because they could be taken to a quiet area of the library or to where the user had more room to work. The majority of such borrowers were satisfied or very satisfied with the laptops and the service from the library. The majority of those completing the survey were medical school students and graduate students. The circulation of laptop computers at this academic health sciences library is a very successful and popular program.  相似文献   

Digital Video for Multimedia: Two Approaches (MPEG)     

Nicole Rodruigez  Michel Lavacry  Michel Banckaert 《Educational Media International》2013,50(4):200-207

Abstract

This article discusses the application of digital video to multimedia, and looks at the pros and cons of two different approaches. It also considers the standards of equipment for various uses.  相似文献   

Writing     

Pietro Boscolo  Eric Espéret  Michel Fayol 《European Journal of Psychology of Education - EJPE》1991,6(2):97-98

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Young people's perception of culture     

Michel Pagnier 《Higher Education Quarterly》1973,27(3):323-345

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Popper’s debt to psychology     

Michel ter Hark 《Metascience》2010,19(3):453-456

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Can public arts education replace arts subsidization?     

Luc Champarnaud  Victor Ginsburgh  Philippe Michel 《Journal of Cultural Economics》2008,32(2):109-126

The debate about whether the arts should be supported or not is far from new, and most governments support the arts in one way or the other. The literature considers several arguments in favor of such interventions. Public education may seem to be an action which could, in the long run, lead to possible reductions of subsidies. Surveys show that those who have been exposed to the arts when young participate more when adult. However, the “non-market” transmission from parents to children generates an external effect, which has to be taken into account to reach first-best situations. We construct an overlapping generations model in which young consumers are exposed to both public education toward the arts and to non-altruistic transmission of such a taste from their parents. We show that the first-best can be reached only if there is both public cultural education and subsidization of arts consumption. Therefore, education cannot be considered as a substitute for subsidies to arts consumption. However, as is often the case in European countries, government intervention is usually below the first-best level. Using a model calibrated on French data, we show that it is then preferable to subsidize education, while consumption, especially of the older generations, should be taxed rather than subsidized.

Luc ChamparnaudEmail:

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Correlations between serum and salivary hormonal concentrations in response to resistance exercise     

Cadore E  Lhullier F  Brentano M  Silva E  Ambrosini M  Spinelli R  Silva R  Kruel L 《Journal of sports sciences》2008,26(10):1067-1072

The aim of present study was to examine the relationships between serum and salivary values of free testosterone, dehydroepiandrosterone, and cortisol before and after a session of resistance exercise. Twenty-eight healthy men (mean age 40 years, s = 4) participated in the present study. Serum and salivary samples were collected at rest and after a multiple-sets resistance exercise protocol, of approximately 25 minutes duration. Concentrations of free testosterone, dehydroepiandrosterone, and cortisol were measured using radioimmunoassay kits. No significant correlation was observed between serum free testosterone and salivary testosterone (r = 0.22 to 0.26, P > 0.05). Serum cortisol was significantly correlated with salivary cortisol before (r = 0.52, P = 0.005) and after (r = 0.62, P = 0.001) the exercise protocol. Serum and salivary concentrations of dehydroepiandrosterone were significantly correlated before (r = 0.68, P < 0.001) and after (r = 0.7, P < 0.001) exercise. The results of the present study suggest that even under exercise conditions, the salivary values of cortisol and dehydroepiandrosterone can reflect the behaviour of these hormones in blood. However, further studies are necessary to verify if salivary testosterone reflects the behaviour of serum free testosterone during resistance exercise.  相似文献   

New projects in particle physics     

Michel J. Crozon 《Endeavour》1979,3(2):69-77

Recent results in the field of particle physics raise many questions on the elementary constituents of matter and their interactions. These cannot be answered, nor the latest theoretical predictions verified, without accelerators operating at higher energies. Pending world-wide collaboration for the construction of a gigantic accelerator, individual nations are engaged in an increasingly competitive race to construct such machines. The author describes the main assemblies under construction or currently planned in Western Europe, the USA and the USSR, and discusses the technical, financial, political, and, by no means least, human problems involved.  相似文献   

The nature of naive explanations of natural selection     

Michel Ferrari  Michelene T. H. Chi 《International Journal of Science Education》2013,35(10):1231-1256

Unlike some pivotal ideas in the history of science, the basic notion of natural selection is remarkably simple and so one might expect most students to easily grasp the basic principles of the Darwinian theory; yet many students nevertheless have difficulty understanding Darwinian evolution. We suggest that misconceptions about natural selection arise from mistaken categorization. Our thesis for explaining students’ failure to understand this concept or evolution in general is not that they necessarily fail to understand individual Darwinian principles; rather, they often fail to understand the ontological features of equilibration processes, of which evolution is one instance. They thus attribute the evolutionary process in general, and natural selection in particular, with event‐like properties. For example, naive students appear to focus on the idea of survival of the fittest, but embed this idea within an event ontology that involves actors struggling to overcome obstacles and achieve goals. Results showed that most naive subjects’ evolutionary explanations reflected an event ontology. Furthermore, event ontology attributes were positively correlated with non‐Darwinian explanations; by contrast, equilibration attributes, when present, were positively correlated with key Darwinian principles. These findings suggest that students would greatly benefit from science instruction that emphasized the underlying ontology of modern evolutionary theory.  相似文献   

French beach sports culture in the twentieth century     

Michel Rainis 《国际体育史杂志》2013,30(1):144-158

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