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Trognon, A., Sorsana, C., Batt, M., Longin, D. (2008).Peer interaction and problem solving:One example of a logical-discursive analysis of a process of joint decision making.European Journal of Developmental Psychology, Volume 5, Issue 5 October 2008, pages 623 - 643.


This article proposes a qualitative analysis of a dialogue between two children solving the Tower of Hanoi problem. We know that in some circumstances, two heads are better than one. The question is how interactional constraints are likely to provide cognitive benefits? To carry out such an analysis, we use Interlocutory Logic, which is a formal system constructed to express the logical and phenomenological properties of natural conversation. More particularly, we showed how this logical analysis of the interlocution can formalise the socio-cognitive conflict that appears to be an essential ''ingredient'' of cognitive development from the socio-constructivist perspective.


Peer interaction; Problem solving; Conversation; Interlocutory logic

More on this article

See further Sorsana, C., Trognon, A. (2011). Contextual determination of human thinking: about some epistemological obstacles in psychology studies. Human Development, 54, 204-233.

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Trognon, A., Sorsana, C. (2011). Grasping both the normative facts and the social positions emerging from conversation. Human Development-Letters to the Editor, I, November, 11-17.

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