L'inter-médiation artefactuelle au coeur du processus cognitif collaboratif

Abstract : This thesis is interested in the dynamics of the processes of mutual comprehension in social psychology. We attempt to clarify the processual dimension of the co-construction of meanings at a high-level executive work session. For this purpose, we study the function of intermediation of the artifacts in the collaborative activity, more precisely, in the joint decision-making. By questioning the status of the concept of intermediary object, we try to make this concept more operational by analyzing it at various conceptual levels in order to build a properly psychological conceptualization. On the one hand, we rely on the thesis according to which cognitions emerge in and by social interaction and which goes back to the work of both Vygotski and Leontiev. On the other hand, we refer to the concepts of situated and distributed cognition and, more precisely to the constructivist approach of the interactionist psychology proposed by Brassac. The thesis is a part of the interdisciplinary project n° ACT 23b of the Cognitique program, being entitled: " Le co-traçage et la pérennisation des microdécisions collectives liées à l"action dans l'organisation ". The field study is a project with a situation of transverse collective action at a hospital: the implementation of a bloodtransfusion-traceability device. In order to face this complexity, we implement a methodology, which relies on a clinical approach to cognitive activity, even to ethnography of communication. The unit of analysis is the activity of the individuals in the situation. The results show that the intermediary object represents the semiotic material of the intrication of the speaking and acting of the agents, and that this object supports the intermediation in the arena of mutual comprehension.
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Pierre Fixmer. L'inter-médiation artefactuelle au coeur du processus cognitif collaboratif. Psychologie. Université Nancy 2, 2009. Français. ⟨NNT : 2009NAN21002⟩. ⟨tel-01752977⟩

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