Kimberly Hufferd-Ackles, Karen C. Fuson, Miriam Gamoran Sherin, Describing Levels and Components of a Math-Talk Learning Community, Journal for Research in Mathematics Education, Vol. 35, No. 2 (Mar., 2004), pp. 81-116
No takes yet. Share an insight, caveat, or question.
Hufferd-Ackles et al. (2004) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: