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The purpose of this paper is to present an analysis of the difficulties faced by students when working with different representations of vectors, planes and their intersections in \(\mathbb {R}^{3}\). Duval’s theoretical framework on semiotic representations is used to design a set of evaluating activities, and later to analyze student work. The analysis covers three groups of undergraduate students taking introductory courses in linear algebra. Different types of treatments and conversions are required to solve the activities. One important result shows that, once students choose a register to solve a task, they seldom make transformations between different registers, even though this facilitates solving the task at hand. Identifying these difficulties for particular transformations may help teachers design specific activities to promote students cognitive flexibility between representation registers. 相似文献
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Research in Science Education - The first phase of this multiphase study involves modeling of college students’ thinking of friction at the microscopic level. Diagnostic interviews were... 相似文献
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Andrew Edgar 《国际体育史杂志》2015,32(15):1804-1807
Philosophy as a discipline is typically characterized through the use of rigorous argument and analysis, and the clarification of the meaning of concepts. Philosophical problems are thus resolved, not through the appeal to empirical evidence, but by identifying inconsistent and confusing patterns of thought and reflection. This paper will clarify the nature of a philosophical methodology by explicating the relationship between the philosophy of sport and the core traditional areas of philosophy, metaphysics, epistemology, axiology and logic. 相似文献
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Eric Sanchez Réjane Monod-Ansaldi Caroline Vincent Sina Safadi-Katouzian 《Education and Information Technologies》2017,22(6):2805-2824
This paper draws on an empirical work dedicated to discussing a theoretical model for design-based research. The context of our study is a research project for the design, the implementation and the analysis of Insectophagia, a digital role-play game implemented in secondary schools. The model presented in this paper aims at conceptualizing researchers’ and practitioners’ relationships with the notion that knowledge development takes place at a meta-didactical level when the participants develop a shared practice and a shared discourse on practice (a common praxeology). This is done through collaboration and teacher-centered design of innovative learning settings. This model emerges from a double approach: (1) a literature review on collaborative research in education and, (2) an analysis of the verbal interactions of practitioners and researchers involved in the project. The study emphasizes the development of knowledge among participants. It also emphasizes the importance of knowledge brokering for filling the gap between research and practice and thus, for the adoption of digital technology by practitioners. 相似文献