1. and Diagnosing Zones of Proximal Development. In (Ed.), Culture, Communication, and Cognition: Vygotskian Perspectives. New York: Cambridge University Press, in press.
2. On problem-solving.
3. Language, Communication, and Public Negotiation. In (Ed.), Anthropology and the Public Interest. New York: Academic Press, 1976.
4. The Problem of Activity in Psychology. In (Ed.), The Concept of Activity in Soviet Psychology. Armonk, N. Y.: Sharpe, 1981.
5. “Dyadic Problem Solving: A Comparison of Child-Child and Mother Child Interaction.” Unpublished doctoral dissertation, Northwestern University, 1981.