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This paper describes the ways that students’ problem-solving behaviors evolve when solving multi-faceted, context-rich problems within a web-based learning environment. During the semester, groups of two or three students worked on five physics problems that required drawing on more than one concept and, hence, could not be readily solved with simple “plug-and-chug” strategies. The problems were presented to students in a data-rich, online problem-based learning environment that tracked which information items were selected by students as they attempted to solve the problem. The students also completed a variety of tasks, like entering an initial qualitative analysis of the problem into an online form. Students were not constrained to complete these tasks in any specific order. As they gained more experience in solving context-rich physics problems, student groups showed some progression towards expert-like behavior as they completed qualitative analysis earlier and were more selective in their perusal of informational resources. However, there was room for more improvement as approximately half of the groups still completed the qualitative analysis task towards the end of the problem-solving process rather than at the beginning of the task when it would have been most useful to their work.  相似文献   
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This paper critically examines the ways in which inclusion and equity are constituted through education development policies in India. Programmes implemented under global and national Education for All (EFA) policies have largely involved the quantification of ‘equity’ whereby schooling processes are measured against broad targets for school outcomes – focused mainly on student attendance, retention and academic achievement. Drawing on perspectives from Actor Network Theory, the paper puts forward the view of development reforms as ‘networks of translation’ in order to trace the shifts and vicissitudes of educational ideals. Reporting on ethnographic data of two reforms in the south Indian state of Karnataka, we show how narrow understandings of equity are produced through target-driven approaches to EFA. In doing so, the paper highlights the performative effects of education development policy and its potentially counterproductive consequences in contexts of poverty and marginalisation.  相似文献   
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