A survey of proportional reasoning and control of variables in seven countries
Article first published online: 18 AUG 2006
Copyright © 1977 Wiley Periodicals, Inc., A Wiley Company
Journal of Research in Science Teaching
Volume 14, Issue 5, pages 411–417, September 1977
How to Cite
Karplus, R., Karplus, E., Formisano, M. and Paulsen, A.-C. (1977), A survey of proportional reasoning and control of variables in seven countries. J. Res. Sci. Teach., 14: 411–417. doi: 10.1002/tea.3660140504
- Issue published online: 18 AUG 2006
- Article first published online: 18 AUG 2006
- Manuscript Accepted: 15 FEB 1977
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