Représentations et conceptualisations de systèmes numériques par des collégiens : contribution didactique à la modélisation fonctionnelle

Abstract : Joined in a socio-technical context particularly marked by the rise of digital technologies, this research studies the representations and conceptualizations underlying the functional modeling of middle school students about the functioning of touch Smartphone and Digital Interactive Boards. Data are collected in five investigations by questionnaires and / or group interviews with about 1300 students (6th and 3rd). Data analysis reveals: 1) lack of questioning about how digital systems work; 2) the main concern about the function of the artefact; 3) clear identification of the detection function in contrast with the information processing(software, processor, information). Also investigations highlight the effects of the form and content of questions about the emergence of representations mobilized by students and therefore conceptualizations underlying their functional modeling. This research enables to consider other additional studies to grasp the conditions of this modeling in connection with the extension of empirical referent. Finally this thesis suggests teaching guidelines to facilitate the relationship between practical familiarization and intellectual elaborations to the middle school in agreement with the common basic curriculum in France which now includes the study of natural and technical systems among the prescribed contents.
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William-Gabriel Pérez. Représentations et conceptualisations de systèmes numériques par des collégiens : contribution didactique à la modélisation fonctionnelle. Education. Université Sorbonne Paris Cité, 2016. Français. ⟨NNT : 2016USPCB243⟩. ⟨tel-02076717⟩

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