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91.
Three major evaluations of innovative projects designed and implemented in the US during the 1960s and 1970s provide models for the design and analysis of Information and Communication Technology (ICT) projects. Large in scope, sophisticated in design and explicit in reporting, the three evaluations were: an analysis of major factors in “change agent” projects conducted by the Rand Corporation; an evaluation of Follow Through, a program to continue supporting “disadvantaged” children in elementary school; and a multi-year evaluation of the Comprehensive School Mathematics Program, a multi-grade project designed to change mathematics instruction and, at the same time, develop suitable assessment tools. Each of the studies provides a model of how ICT projects, both those in place and those in the design stages, may be evaluated in order that important questions — “What happened?” and “Why?” and “To what effect?” — can be answered. The three evaluations stress the importance of defining project characteristics, working from clearly defined practices, assessing fidelity of implementation, studying the multiple reactions of all the stakeholders, and conducting assessments of pupil progress at appropriate times and with appropriate measures. The models can serve ICT educators as guidelines as they look for complex, meaningful and educationally sound ways of determining the impact of ICT on all stakeholders.  相似文献   
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Recent science education reform has been marked by a shift away from a focus on facts toward deep, rich, conceptual understanding. This requires assessment that also focuses on conceptual understanding rather than recall of facts. This study outlines our development of a new assessment framework and tool-a taxonomy- which, unlike existing frameworks and tools, is grounded firmly in a framework that considers the critical role that models play in science. It also provides instructors a resource for assessing students' ability to reason about models that are central to the organization of key scientific concepts. We describe preliminary data arising from the application of our tool to exam questions used by instructors of a large-enrollment cell and molecular biology course over a 5-yr period during which time our framework and the assessment tool were increasingly used. Students were increasingly able to describe and manipulate models of the processes and systems being studied in this course as measured by assessment items. However, their ability to apply these models in new contexts did not improve. Finally, we discuss the implications of our results and the future directions for our research.  相似文献   
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Can reflective practice be taught?   总被引:1,自引:0,他引:1  
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CHARGE syndrome, although a low incidence condition, is now recognised as a leading cause of congenital deafblindness among genetic conditions. Anecdotal reporting has suggested that learners with CHARGE syndrome are distinct from the wider deafblind population. This study investigates the education of learners with CHARGE syndrome, while also examining what the similarities and differences might be between this group of learners and the wider deafblind population. The findings of this study support the identification of potential learning characteristics of individuals with CHARGE syndrome, and also indicate that educational deafblind practice is applicable for this group of learners, although alternative or additional strategies may be required. Both commonalities and distinctions were found, but it was concluded that educationally there may be something unique and distinct in learners with this condition.  相似文献   
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The Genome Consortium for Active Teaching (GCAT) facilitates the use of modern genomics methods in undergraduate education. Initially focused on microarray technology, but with an eye toward diversification, GCAT is a community working to improve the education of tomorrow's life science professionals. GCAT participants have access to affordable microarrays, microarray scanners, free software for data analysis, and faculty workshops. Microarrays provided by GCAT have been used by 141 faculty on 134 campuses, including 21 faculty that serve large numbers of underrepresented minority students. An estimated 9480 undergraduates a year will have access to microarrays by 2009 as a direct result of GCAT faculty workshops. Gains for students include significantly improved comprehension of topics in functional genomics and increased interest in research. Faculty reported improved access to new technology and gains in understanding thanks to their involvement with GCAT. GCAT's network of supportive colleagues encourages faculty to explore genomics through student research and to learn a new and complex method with their undergraduates. GCAT is meeting important goals of BIO2010 by making research methods accessible to undergraduates, training faculty in genomics and bioinformatics, integrating mathematics into the biology curriculum, and increasing participation by underrepresented minority students.  相似文献   
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The purpose of this study was to investigate how research apprenticeships shaped students' views of the culture and practice of science. Twenty‐seven 11th and 12th graders from across the United States and American Samoa participating in a summer research program were interviewed individually three times over 7 weeks. Seven students were selected as a representative focus group, and in addition to interviews, their journals, entrance questionnaires, and exit questionnaires were analyzed for what they revealed about students' ideas of what constituted scientific work, of the research process, of the existence and importance of communities in which they participated, and of the roles they played in these communities. Based on the pattern of student comments and perspectives, we identified four dimensions of scientific practice and culture whose salience and complexity increased and became articulated over the 7‐week period. These dimensions included technical language, collaboration, uncertainty, and inquiry. The learning that took place with regard to these dimensions took place within three program‐embedded communities, which we identified as laboratory‐centered, program‐centered, and peer‐centered. The roles students played in these communities and the degree to which they could make use of resources within them contributed to students' view of scientific practice and culture, and to the development of the identity kits they began to construct of themselves as scientists. © 1999 John Wiley & Sons, Inc. J Res Sci Teach 36: 677–697, 1999  相似文献   
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