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51.
INTRODUCTIONTheNa /H exchanger (NHE)isapH regulatoryproteinpresentintheplasmamem branceofcardiomyocytesandothercelltypes.AlthoughseveralisoformsofNHEhavebeende cribed,thepredominantisoformintheheartistheubiquitousNHE 1 ,whichundercentainphysiologicalconditi…  相似文献   
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In the United States, how to provide a high-quality education to all students has been a focal discussion, especially in urban settings. One potential solution that has emerged to confront this issue involves urban teacher residency (UTR) programs that provide innovations concerning the recruitment, preparation, and retention of teachers in high-need urban schools. In this study, we conducted a content analysis and compared steering documents of a UTR program in California with materials from a teacher-training program in Finland. Despite differences in both the legislative and local contexts under which the two programs operate, we found many similarities in both the steering documents and course offerings of these two teacher-training programs. For example, both promote aspects of social justice and are research-based. Furthermore, both offer a variety of types of courses, such as those emphasizing the pedagogical bases of education and research studies in education.

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Abstract

Academic self-efficacy is critical to academic success. Hence those working in higher education need to make deliberate and substantial attempts to foster academic competence, confidence, persistence and resilience in the students they teach, given they are essential components of academic self-efficacy. Addressing an identified gap in the exemplars literature, this article pays particular attention to how exemplars can be used in an embedded and sustained manner with the intent of fostering and supporting these components. Taking into account the three dimensions of self-efficacy – strength, magnitude and generality – and the various sources of information students draw upon to make judgements about their capabilities, four inter-dependent and inter-related practices and associated experiences are identified. We argue that collectively these practices and experiences can accentuate the positive effects and ameliorate the potential negative effects of exemplar use on student academic self-efficacy.  相似文献   
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We propose a multilevel‐multifaceted approach to evaluating the impact of education reform on student achievement that would be sensitive to context and small treatment effects. The approach uses different assessments based on their proximity to the enacted curriculum. Immediate assessments are artifacts (students' products) from the enactment of the curriculum; close assessments parallel the content and activities of the unit/curriculum; proximal assessments tap knowledge and skills relevant to the curriculum, but topics can be different; and distal assessments reflect state/national standards in a particular knowledge domain. To provide evidence about the sensitivity of the multilevel approach in ascertaining outcomes of hands‐on science programs we administered close, proximal, and distal performance assessments to evaluate the impact of instruction based on two Full Option Science System units—Variables, and Mixtures and Solutions—in a Bay Area school district. Results indicated that close assessments were more sensitive to the changes in students' pre‐ to post‐test performance than proximal assessments. © 2002 Wiley Periodicals, Inc. J Res Sci Teach 39: 369–393, 2002  相似文献   
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