Student's modelling with a lattice of conceptions in the domain of linear equations and inequations

Abstract : We present a student's modelling process in algebra which consists of two phases. The first phase is a local diagnosis where a student's transformation of an expression A into an expression B is diagnosed with a sequence of rewriting rules. A library of correct and incorrect rules has been built for that purpose. The second phase uses a lattice of conceptions built for modelling students more globally. Conceptions are attributed to students according to a mechanism using the local diagnoses as input. This modelling process has been applied off-line to data gathered in France and Brazil with 13-16 years old students who used the Aplusix learning environment. The results are described and discussed. The process will be included later inside Aplusix in order to model students on-line and to provide the students' conceptions to the teachers.
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Communication dans un congrès
AI-ED, 2005, Amsterdam, Netherlands. 2005
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  • HAL Id : hal-00190223, version 1

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Jean-François Nicaud, Denis Bouhineau, Hamid Chaachoua, Marilena Bittar. Student's modelling with a lattice of conceptions in the domain of linear equations and inequations. AI-ED, 2005, Amsterdam, Netherlands. 2005. 〈hal-00190223〉

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