Traces d'interactions et processus cognitifs en activité conjointe : le cas d'une co-rédaction médiée par un artefact numérique

Abstract

Considering human activity according an interactionnist approach of cognition, a main question is the artefacts’appropriation by users. According to this approach, human cognition is situated in the materiality of the environment and distributed between people acting. In a learning situation, the question of appropriation is very important and concerns computer-mediated situations for learners. However, a few research works deal with situation elements supporting the numerical devices’ appropriation, participating to the development of the activity and to the development of the learner. In this work, we hypothesize that visualisation of numerical traces of interactions between users and between users and the system can reduce the gap between the “prescribed” use of the device (by the designer) and the “real” use by users. This gap leads to appropriation problems, interfering with the instrumental genesis of the artefact. This work focuses on and interrogates the role of experience in a joint and mediated activity, and concerns four research domains: human-computer interaction, cognition psychology, mediated activity and learning theory. We study a natural co-writing activity, mediated by a numerical artefact composed of different communicationnal and editorial areas. With an ethnomethodological approach, we study interactions occuring between subjects and between subjets and numerical areas, and the role of traces in interactions.

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