Flavell, J.H. 1973 Metacognitive aspects of problem-solving. In The Nature of Intelligence, L.B.Resnick, ed. Hillsdale, NJ: Erlbaum.

Gardner, H. 1991 The Unschooled Mind: How Children Think and How Schools Should Teach. New York: Basic Books.

Gelman, R., and C.R.Gallistel 1978 The Children’s Understanding of Number. Cambridge, MA: Harvard University Press.

Goldman, A.I. 1994 Argument and social epistemology. Journal of Philosophy 91:27–49.

Greenfield, P.M., and R.R.Cocking 1996 Interacting with Video. Norwood, NJ: Ablex.

Greeno, J. 1991 Number sense as situated knowing in a conceptual domain. Journal for Research in Mathematics Education 22(3):170–218.

Habermas, J. 1990 Moral Consciousness and Communicative Action. Cambridge, MA: MIT Press.

Hammersly, M., and P.Atkinson 1983 Ethnography: Principles and Practices. London: Travistock.

Hatano, G., and K.Inagaki 1986 Two courses of expertise. In Child Development and Education in Japan, H.Stevenson, H.Azuma, and K.Hakuta, eds. New York: W.H.Freeman.

Heath, S. 1982 Ethnography in education: Defining the essential. Pp. 33–58 in Children In and Out of School, P.Gilmore and A.Gilmore, eds. Washington, DC: Center for Applied Linguistics.

Holyoak, K.J. 1984 Analogical thinking and human intelligence. Pp. 199–230 in Advances in the Psychology of Human Intelligence (Vol. 2), R.J.Sternberg, ed. Hillsdale, NJ: Erlbaum.

Hull, C.L. 1943 Principles of Behavior. New York: Appleton-Century-Crofts.

Hutchins, E. 1995 Cognition in the Wild. Cambridge, MA: MIT Press.

James, W. 1890 Principles of Psychology. New York: Holt.

Kuhn, D. 1991 The Skills of Argument. Cambridge, England: Cambridge University Press.

Lamon, M., D.Caswell, M.Scardamalia, and R.Chandra 1997 Technologies of Use and Social Interaction in Classroom Knowledge Building Communities. Paper presented at the Symposium on Computer-Supported Collaborative Learning: Advancements and Challenges, K.Lonka, chair, European Association for Research in Learning and Instruction, August, Athens, Greece.