Bruce Dorval, Carol O. Eckerman, Susan Ervin-Tripp, Developmental Trends in the Quality of Conversation Achieved by Small Groups of Acquainted Peers, Monographs of the Society for Research in Child Development, Vol. 49, No. 2, Developmental Trends in the Quality of Conversation Achieved by Small Groups of Acquainted Peers (1984), pp. 1-91
No takes yet. Share an insight, caveat, or question.
Dorval et al. (1984) studied this question.