1. Preservice elementary teachers' conceptions of the causes of seasons
2. & (2000). Explanation in scientists and children. In & (Eds.), Explanation and cognition (pp. 279-298). Cambridge, MA: MIT Press.
3. (1992). Conceptual change within and across ontological categories: Examples from learning and discovery in science. In (Ed.), Cognitive models of science. Minnesota Studies in Philosophy of Science (Vol. 15, pp. 129-187). Minneapolis: University of Minnesota Press.
4. Children's responses to anomalous scientific data: How is conceptual change impeded?