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101.
Sandy C. Li Jacky W. C. Pow Emily M. L. Wong Alex C. W. Fung 《Education and Information Technologies》2010,15(3):171-180
Empowering students to learn through ICT is seen as a way to address the growing awareness and demand for preparing students
to effectively participate in the emerging global knowledge economy. It is believed that, in order to maintain competitiveness
in a global economy, traditional classroom practices must be re-conceptualized in a way that enables students to engage themselves
in knowledge building, to become more self-directed, and to assume greater autonomy and social responsibility over their own
learning. In this article, we report a case study on the use of Tablet PCs to support teaching and learning in a primary school
in Hong Kong, and provide insights into how schools can harness and capitalize on the opportunities offered by such emerging
technologies. 相似文献
102.
Alex Livy Sayhean Lye Chahil K. Jagdish Nurul Hanis Velapasamy Sharmila Lian Wee Ler Bagali Pramod 《Indian journal of clinical biochemistry : IJCB》2012,27(1):28-33
Buccal cell usage has been shown by many to be a cost effective and safe method to isolate DNA for various biological experiments
especially large epidemiological studies (Garcia-Closas et al. Cancer Epidemiol Biomarkers Prev 10:687–696, 2001). Non-invasive DNA collection methods are preferred over phlebotomy in order to increase study participation and compliance
in research centers and for sick patients in hospital settings. There have been conflicting reports about the methodology
and results obtained from using buccal DNA. It is not very clear if phlebotomy can be confidently replaced by buccal cell
DNA. It is often left for the user to take an intelligent decision. To address this issue, we compared the performance of
buccal and blood DNA from same subjects in a genotyping experiment and this paper reports the results. Cotton swab derived
buccal cells were scraped from the inner side of cheeks from 16 subjects, and blood was also drawn from the same 16 subjects
participating in a genotypic association study of a lipid disease. The DNA quality was assessed by resolving on agarose gels,
checking purity (A260/A280) and finally by microarray hybridization. This study showed that DNA degradation affects the total
yield and performance of the buccal DNA when compared to the blood DNA in microarray based genotyping. Genotyping results
can be seriously compromised if care is not taken to check the quality and yields of such specimens. 相似文献
103.
This project examined 23 teachers’ involvement in a curricular project to integrate physical activity into the school day. The teachers represented all grade levels and worked in schools that served Native American students in the United States. Interviews occurred twice during the year-long project. Data were analyzed via constant comparison. Teachers’ willingness to engage was influenced positively by caring about students and their own personal wellness history. Their engagement was impeded by institutional factors of scheduling and assessment pressures. The results provide insights into how teachers might be persuaded to and prepared for the implementation of similar programs in new locations. 相似文献
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Within this paper, we discuss the importance of attending to definitions of ‘violence’. Through a return to a selection of important foundational works, we attempt to unpack the fundamental meanings of violence in a general sense, and sport violence in particular. With a specific focus on the need for definitional clarity, and particular attention to the ‘ritual’ dimensions of sport violence, we argue that engaging with these concepts is essential when conducting research on ‘violent’ contexts. Based on a critical reading of a small selection of relatively recent scholarship in sports settings, we ultimately argue that without careful consideration of what can constitute ‘violence’, scholars risk misrepresenting the social worlds they investigate. In conclusion, we call for researchers to enter into a dialogue with foundational explorations of violence, and also to attend more closely to the definitions favoured by practitioners who engage with apparent ‘violence’ on a regular basis. 相似文献
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Rebecca Zwick Jeffrey C. Sklar Graham Wakefield Cris Hamilton Alex Norman Douglas Folsom 《Educational Measurement》2008,27(2):14-27
In the current No Child Left Behind era, K‐12 teachers and principals are expected to have a sophisticated understanding of standardized test results, use them to improve instruction, and communicate them to others. The goal of our project, funded by the National Science Foundation, was to develop and evaluate three Web‐based instructional modules in educational measurement and statistics to help school personnel acquire the “assessment literacy” required for these roles. Our first module, “What's the Score?” was administered in 2005 to 113 educators who also completed an assessment literacy quiz. Viewing the module had a small but statistically significant positive effect on quiz scores. Our second module, “What Test Scores Do and Don't Tell Us,” administered in 2006 to 104 educators, was even more effective, primarily among teacher education students. In evaluating our third module, “What's the Difference?” we were able to recruit only 33 participants. Although those who saw the module before taking the quiz outperformed those who did not, results were not statistically significant. Now that the research phase is complete, all ITEMS instructional materials are freely available on our Website. 相似文献
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