Konstantinos Tatsis and Eugenia Koleza published an article called "Social and socio-mathematical norms in collaborative problem-solving" in the latest issue of European Journal of Teacher Education. Here is a copy of the abstract:
Based on the notions of social and socio-mathematical norms we
investigate how these are established during the interactions of
pre-service teachers who solve mathematical problems. Norms identified
in relevant studies are found in our case too; moreover, we have found
norms related to particular aspects of the problems posed. Our results
show that most of these norms, once established, enhance the
problem-solving process. However, exceptions do exist, but they have a
local orientation and a relatively small influence.
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