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The recent emphasis on universal prekindergarten programs, coupled with ongoing concern about children’s’ early literacy development in the first years of school, carry significant implications for how preschool educators program for literacy and assess literacy growth. We discuss the evolving role of literacy development in expanded preschool, examine key features of literacy assessments with particular attention to the content that might be assessed in preschool, and provide as an example one preschool literacy assessment tool that is in widespread use in the United States. We discuss the policy and practice implications of the growing emphasis on literacy assessment in preschoolers.  相似文献   
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The purpose of this study was to investigate the development of preservice science teachers’ knowledge structures in the domain of oxidation and reduction chemistry. Knowledge structures were elicited through video-recorded semi-structured interviews before and after the unit of instruction, and analyzed using a visual flow map representation. Paralleling these interviews, the preservice teachers were tasked with diagnosing middle school students’ scientific understandings. Data analyzed quantitatively and qualitatively showed large variation in knowledge structure complexity across the preservice teachers, strong correlations between measures of knowledge structure and diversity (as defined by the Shannon Wiener diversity index), and the development of more balanced knowledge structure representations. For most preservice teachers, their diagnostic scores of the middle school students showed a small increase.  相似文献   
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ABSTRACT

Given the many changes in our students and their study and research practices, libraries are finding it necessary to seek new ways to reach these students. The Undergraduate Library at the University of Illinois at Urbana-Champaign created a new model to do so. Librarian's Office Hours are a hybrid of reference and instructional services that fulfill the dual purposes of meeting the needs of term paper research counseling and library workshops. This article discusses the strategies involved in the creation and implementation of this service and examines suggestions for the future of such a service.  相似文献   
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Whether playing outdoors or working on the farm, rural children acquire science and engineering skills throughout their daily lives. Although 11.4 million children in the United States grow up in rural areas, compared to 14.6 million in urban areas, relatively little attention is given to rural science education. This article demonstrates that rural contexts can be rich environments for learning science. Issues facing rural schools, the unique knowledge base and learning needs of rural children, and effective strategies focused on valuing and using local knowledge in science education are discussed. Implementing these strategies across students, teachers, and communities can increase rural students' access to, engagement in, and achievement in science. These can open doors to more science, technology, engineering, and mathematics (STEM) careers for rural students and enhance diversity across the STEM spectrum.  相似文献   
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