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91.
Melina Furman Angela Calabrese Barton Ben Muir 《Cultural Studies of Science Education》2012,7(1):153-174
An urgent goal for science teacher educators is to prepare teachers to teach science in meaningful ways to youth from nondominant
backgrounds. This preparation is challenging, for it asks teachers to critically examine how their pedagogical practices might
adaptively respond to students and to science. It asks, essentially, for new teachers to become researchers of their own beginning
practice. This study explores the story of Ben as he coauthored a transformative action research project in an urban middle
school as part of a teacher education program and, later, over his first year of teaching at that same school. We describe
how Ben and his partner teacher created innovative spaces for science learning. This offered Ben an opportunity to make some
of his deeply engrained pedagogical beliefs come alive within a context of distributed expertise, which provided for him a
space of moderate risk where he could afford the chances of failure without undermining how he felt about his own capacity
as a teacher. Our study highlights the importance of creating reform opportunities within the context of teacher education
programs that may help beginner teachers construct positive images of teaching that they can hold on to in their future practice. 相似文献
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THE FIRST AMENDMENT AND THE FIFTH ESTATE: REGULATION OF ELECTRONIC MASS MEDIA by T. Barton Carter, et al. (Mineola, NY: Foundation Press, 1986—$26.00) TELEPORTS AND THE INTELLIGENT CITY edited by Andrew D. Lipman, et al. (Homewood, IL: Dow Jones-Irwin, 1986—$55.00) 相似文献
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The No Child Left Behind act resulted in an increased reliance on large-scale standardized tests to assess the progress of individual students as well as schools. In addition, emphasis was placed on including all students in the testing programs as well as those with disabilities. As a result, the role of testing accommodations has become more central in discussions about test fairness and accessibility as well as evidence of validity. This study seeks to examine whether there exists differential item functioning for math and language items between special education examinees receiving accommodations and those not receiving accommodations. 相似文献
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Xue-Yan Wang Christian Fillafer Clara Pichl Stephanie Deinhammer Renate Hofer-Warbinek Michael Wirth Franz Gabor 《Biomicrofluidics》2013,7(4)
Microfluidic devices have emerged as important tools for experimental physiology. They allow to study the effects of hydrodynamic flow on physiological and pathophysiological processes, e.g., in the circulatory system of the body. Such dynamic in vitro test systems are essential in order to address fundamental problems in drug delivery and targeted imaging, such as the binding of particles to cells under flow. In the present work an acoustically driven microfluidic platform is presented in which four miniature flow channels can be operated in parallel at distinct flow velocities with only slight inter-experimental variations. The device can accommodate various channel architectures and is fully compatible with cell culture as well as microscopy. Moreover, the flow channels can be readily separated from the surface acoustic wave pumps and subsequently channel-associated luminescence, absorbance, and/or fluorescence can be determined with a standard microplate reader. In order to create artificial blood vessels, different coatings were evaluated for the cultivation of endothelial cells in the microchannels. It was found that 0.01% fibronectin is the most suitable coating for growth of endothelial monolayers. Finally, the microfluidic system was used to study the binding of 1 μm polystyrene microspheres to three different types of endothelial cell monolayers (HUVEC, HUVECtert, HMEC-1) at different average shear rates. It demonstrated that average shear rates between 0.5 s−1 and 2.25 s−1 exert no significant effect on cytoadhesion of particles to all three types of endothelial monolayers. In conclusion, the multichannel microfluidic platform is a promising device to study the impact of hydrodynamic forces on cell physiology and binding of drug carriers to endothelium. 相似文献
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Martin J. Attrill Karen A. Gresty Russell A. Hill Robert A. Barton 《Journal of sports sciences》2013,31(6):577-582
Abstract The colour of sportswear has been shown to influence the outcome of bouts for several different combat sports. The generality of these effects, and whether they extend to collaborative forms of contests (team sports), is uncertain. Since 1947, English football teams wearing red shirts have been champions more often than expected on the basis of the proportion of clubs playing in red. To investigate whether this indicates an enhancement of long-term performance in red-wearing teams, we analysed the relative league positions of teams wearing different hues. Across all league divisions, red teams had the best home record, with significant differences in both percentage of maximum points achieved and mean position in the home league table. The effects were not due simply to a difference between teams playing in a colour and those playing in a predominantly white uniform, as the latter performed better than teams in yellow hues. No significant differences were found for performance in matches away from home, when teams commonly do not wear their “home” colours. A matched-pairs analysis of red and non-red wearing teams in eight English cities shows significantly better performance of red teams over a 55-year period. These effects on long-term success have consequences for colour selection in team sports, confirm that wearing red enhances performance in a variety of competitive contexts, and provide further impetus for studies of the mechanisms underlying these effects. 相似文献
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Georgina Barton 《Pedagogies: An International Journal》2018,13(3):280-287
In this review essay, I refer to two recently published scholarly works that explore the notions of transcultural, mobile and placed literacies: in Languages and literacies as mobile and placed resources edited by Sue Nichols and Collette Snowden, and Literacy lives in transcultural times edited by Rahat Zaidi and Jennifer Rowsell. Much research in the field of literacy education has recently acknowledged how literacies are continually changing due to globalisation and transmobility. People move, places change, and objects shift in and through these spaces. Researchers and educators are, therefore, grappling with how best to address these diversities and engage learners in such environments. Through a review of the books mentioned above, two key questions are explored: what are the appropriate pedagogies for literacy education? Where and how is literacy education research leading us into the future? This review takes a socio-cultural perspective of literacy by presenting the contemporary research that attempts to answer these questions. 相似文献