Bobrow, D. G., & Collins, A. (1975). Representa- tion and understanding: Studies in cognitive sci- ence. New York: Academic Press. p. 15

Collins, A., & Brown, J. S. (1988). The computer as a tool for learning through reflection. In H. Mandl & A. Lesgold (Eds.), Learning issues for intelligent tutoring systems (pp. 1–18). New York: Springer. p. 15

Dunbar, K., & Klahr, D. (1989). Developmen- tal differences in scientific discovery strate- gies. In D. Klahr & K. Kotovsky (Eds.), Com- plex information processing: The impact of Her- bert A. Simon (pp. 109–143). Mahwah, NJ: Erlbaum. p. 15

Flower, L., & Hayes, J. R. (1980). The cognition of discovery: Defining a rhetorical problem. College Composition and Communication, 31, 21–32. p. 15

Salomon, G. (Ed.). (1993). Distributed cognitions: Psychological and educational considerations. New York: Cambridge. p. 16

Lave, J. (1988). Cognition in practice: Mind, math- ematics, and culture in everyday life. New York: Cambridge. p. 16

Papert, S. (1980). Mindstorms: Children, comput- ers, and powerful ideas. New York: Basic Books. p. 16

Papert, S. (1993). The children’s machine: rethink- ing school in the age of the computer. New York: BasicBooks. p. 16

Voss, J. F., Perkins, D. N., & Segal, J. W. (Eds.). (1991). Informal reasoning and education. Mahwah, NJ: Erlbaum. p. 16

Wenger, E. (1987). Artificial intelligence and tutoring systems: Computational and cognitive approaches to the communication of knowledge. San Francisco, CA: Morgan Kaufmann. p. 16

Rogoff, B. (1990). Apprenticeship in thinking: Cog- nitive development in social context. New York: Oxford University Press. p. 16