1. Abrahamson, D. (2003). A situational-representational didactic design for fostering conceptual understanding of mathematical content: The case of ratio and proportion. Paper presented at the annual meeting of the American Educational Research Association, Chicago, IL, April 21–25.
2. Abrahamson, D. (2004a). Embodied spatial articulation: a gesture perspective on student negotiation between kinesthetic schemas and epistemic forms in learning mathematics. In D. E. McDougall, & J. A. Ross (Eds.), Proceedings of the Twenty Sixth Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (vol. 2, pp. 791–797). Toronto, Ontario: Preney.
3. Abrahamson, D. (2004b). Keeping meaning in proportion: The multiplication table as a case of pedagogical bridging tools. Unpublished doctoral dissertation. Northwestern University, Evanston, IL.
4. Abrahamson, D. (2006a). Bottom-up stats: toward an agent-based “unified” probability and statistics. In D. Abrahamson (Org.), U. Wilensky (Chair), and M. Eisenberg (Discussant), Small steps for agents… giant steps for students?: Learning with agent-based models. Paper presented at the Symposium conducted at the annual meeting of the American Educational Research Association, San Francisco, CA, April 7–11.
5. Abrahamson, D. (2006b). Mathematical representations as conceptual composites: Implications for design. In S. Alatorre, J. L. Cortina, M. Sáiz & A. Méndez (Eds.), Proceedings of the Twenty Eighth Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education (vol. 2, pp. 464–466). Mérida, Yucatán, México: Universidad Pedagógica Nacional.