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Higher Education - Originating from the field of physical education, physical literacy is an individual disposition that accentuates the importance of lifelong physical activity. Sport education is...  相似文献   
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Research in Science Education - Equitable learning opportunities are critical to the goals of science education. However, major curriculum standards are vague on how to achieve equity goals, and...  相似文献   
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Tertiary Education and Management - While literature on university governance in Canada has identified key challenges that need to be addressed, it largely overlooks calls for change towards...  相似文献   
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This study investigated how peer comments made using a video annotation tool (VAT) through an online learning community improved student-teachers’ level of reflective thinking and communication competence throughout the simulated (i.e., role-play) context of consultation practice. Eighty student-teachers from two classes of the course “Comprehensive School Guidance” participated in this study, and all recorded two videos for their tripartite practice on parent consultation for self-evaluation and peer comment. Forty student-teachers were in the comparison class and provided general comments to their peers on the learning platform, while those in the experimental class used the VAT on the learning platform to provide specific comments to their peers. Two post-practice online questionnaires and reflective journal entries, which aimed to measure communication competence and reflective thinking ability, were administered to the student-teachers after the first and second consultation practice. The reflective journal entries were segmented into units of analysis that were scored using a 4-level model of reflective thinking (from 1 to 4), with a higher score indicating demonstration of a higher level of reflective thinking for that particular segment. Both the number of reflective notes made and the average level of reflective thinking in student-teachers’ journal entries were indicators of reflective thinking ability. Two mixed ANOVAs were conducted to examine whether student-teachers in the experimental (VAT) class improved their reflective thinking ability and communication competence more significantly than those in the comparison (non-VAT) class. The results showed that student-teachers in both the VAT and non-VAT classes had statistically higher scores for communication competence and reflective thinking in the second role-play practice. Student-teachers with the support of VAT, in comparison to those without, significantly improved their average reflective thinking ability. Focus group interviews were also conducted to investigate how VAT could support student-teachers’ learning process and to learn their perceptions of the strengths and limitations of the VAT. The results indicated that the VAT could enhance student-teachers’ learning by reducing communication barriers created by the tendency to avoid direct observations of peers’ weaknesses, enhancing reflection-in-action during practice, and contextualizing written comments by referring to specific video segments. However, student-teachers felt that the VAT should also allow users to draw on the video screens.

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A method for monitoring the biological exocytotic phenomena on a microfluidic system was proposed. A microfluidic device coupled with functionalities of fluorescence imaging and amperometric detection has been developed to enable the real-time monitoring of the exocytotic events. Exocytotic release of single SH-SY5Y neuroblastoma cells was studied. By staining the cells located on integrated microelectrodes with naphthalene-2,3-dicarboxaldehyde, punctuate fluorescence consistent with localization of neurotransmitters stored in vesicles was obtained. The stimulated exocytotic release was successfully observed at the surface of SH-SY5Y cells without refitting the commercial inverted fluorescence microscope. Spatially and temporally resolved exocytotic events from single cells on a microfluidic device were visualized in real time using fluorescence microscopy and were amperometrically recorded by the electrochemical system simultaneously. This coupled technique is simple and is hoped to provide new insights into the mechanisms responsible for the kinetics of exocytosis.  相似文献   
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An operational prototype inhomogeneous distributed database system has been built to provide homogeneous access for researchers and managers of science policy to data on research projects held in three countries. The architecture is sufficiently general not only to accommodate additional countries and databases on research projects, but also to provide a general framework for other international collaborative projects aimed at the provision of information. The design exhibits an optimal compromise between sufficient data to satisfy a retrieval request and the minimal data for transmission to maintain the database.  相似文献   
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