15. The Research Base
- The Role of Research
- The Nature of the Research Literature
- Research Findings By Chapter and Section
View author’s reference(s)
Author: Karplus, R.
- Karplus, R., Pulos, S., Stage, E. (1983). Proportional reasoning of early adolescents. In R. Lesh & M. Landau (Eds.). Acquisition of mathematics concepts and processes. New York: Academic Press.
- Karplus, R., Thier, H. (1969). A new look at elementary school science; science curriculum improvement study. Chicago: Rand McNally.