15. The Research Base
- The Role of Research
- The Nature of the Research Literature
- Research Findings By Chapter and Section
- References
View author’s reference(s)
Author: Wollman, W.
- Wollman, W. (1977). Controlling variables: Assessing levels of understanding. Science Education. 61, 371-383.
- Wollman, W. (1977). Controlling variables: A neo-Piagetian developmental sequence. Science Education. 61, 385-391.
- Wollman, W., Lawson, A. (1977). Teaching the procedure of controlled experimentation: A Piagetian approach. Science Education. 61, 57-70. .