Traitement statistique des données dans un travail de recherche mettant en jeu une ingénierie didactique

Inés DELGADO

Cette recherche s’intéresse à la conception et à l’évaluation d’un instrument d’enseignement utilisant un logiciel de géométrie dynamique comme possible stratégie pour surmonter les difficultés d’interprétation de graphiques en cinématique. En particulier, ce travail se concentrera sur l’étude de la variable temps comme possible source de difficultés pour les étudiants ainsi que sur l’utilisation de la géométrie dynamique comme stratégie pour les dépasser. Dans un premier temps on se sert de l’analyse a priori et a posteriori d’un test préliminaire pour concevoir un instrument d’enseignement. Dans un deuxième moment, on utilise la statistique inférentielle et descriptive et pour avoir un regarde général sur la phase expérimentale et cibler les cas qui seront soumis ultérieurement à une analyse qualitative à l’aide de transcriptions.

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