1. Abrams, E., Southerland, S. & Cummins, C. (2001). The how’s and why’s of biological change: How learners neglect physical mechanisms in their search for meaning. International Journal of Science Education, 23(12), 1271–1281.
2. Adey, P. & Shayer, M. (1994). Really raising standards: Cognitive intervention and academic achievement. London: Routledge.
3. Ahn, W. K. & Kalish, C. W. (2000). The role of mechanism beliefs in causal reasoning. In F. C. Keil & R. A. Wilson (Eds.), Explanation and cognition (pp. 199–225). Cambridge, MA: MIT Press.
4. American Association for the Advancement of Science (1993). Benchmarks for science literacy. New York, NY: Oxford University Press.
5. Chen, Z. & Klahr, D. (1999). All other things being equal: Acquisition and transfer of the control of variables strategy. Child Development, 70(5), 1098–1120.