Two dimensions to characterize research‐based teaching strategies: examples in elementary optics

摘要: This article deals with the following question: how can research in science education enrich design of teaching innovations? Two possible answers are examined: Students’ own ways reasoning may be taken into account, either as provisional steps towards more elaborate views or obstacles to confronted. The epistemological framework episodes using an experimental set‐up used. take different forms, ranging from simple inductions searches for consistency between given laws hypotheses and facts. new French curriculum provides two examples strategies concerning elementary optics at grade 8 that analysed along these lines. value is discussed. Different combinations role learners’ previous ideas aspects also examined. Some elements evaluation one recommended given. Finally, teachers ‘innovation transformers’ presented a critical topic f...