Comment les enfants justifient-ils ce qu’ils savent faire ? Le concept de milieu géométrique dans l’approche piagétienne de la formation des raisons

IOANNA BERTHOUD-PAPANDROPOULOU, HELGA KILCHER

Abstract


The relation between know-how and know to justify his/her action is explored within the Piagetian constructivist theoretical frame, particularly within the issue of Reasons. Reasons are considered as a reconstitution of the activity, contributing to its understanding by the subject. Thirty four children aged three to nine have been faced with a double task: determine the middle of geometric figures and then justify the chosen location. Results show that while determination is correctly performed at all ages by efficient perceptive evaluation, the justification undergoes a development leading from illustrative, to argumentative and finally to properly founding reasons from the age of eight years on. The relationship between action and reason is discussed on a cognitive, a social and an educational level.

Keywords


Action, reason, geometric middle, developmental perspective, International Center for Genetic Epistemology

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Re S M ICT E , ISSN: 1792-3999 (electronic), 1791-261X (print)

Laboratory of Didactics of Sciences, Mathematics and ICT, Department of Educational Sciences and Early Childhood Education - University of Patras.

Πασιθέη: Ηλεκτρονικές Επιστημονικές Δημοσιεύσεις Ανοικτής Πρόσβασης, 2008-2012, Βιβλιοθήκη & Κέντρο Πληροφόρησης - Πανεπιστήμιο Πατρών