The study described in this report investigated the effects of two context variables on small-group learning--namely, group size and group gender composition--within an adult learning framework. In the study, the "revolving circle" method was innovated. In this design, one group member is the center of the cooperative circle and all…

This paper presents a rationale and a conceptual framework for a wider research project dealing with mathematical communication, and in particular with actions performed by interlocutors whenever they wish to clarify their use of a symbol, a word or an expression. The aim of such actions is often to repair a communicational breach resulting from…