Clarke-Midura, J., Code, J., Mayrath, M., Dede, C., & N. Zap (2012). Thinking outside the bubble: Virtual Performance Assessments for Measuring Inquiry Learning. In M. Mayrath, J. Clarke-Midura, D. Robinson (Eds.) Technology Based Assessment for 21st Century Skills: Theoretical and Practical Implications from Modern Research. New York, NY: Springer-Verlag.
Zap, N. & Code, J. (2011). Education in the Third Dimension: 3D Stereoscopics as a Cognitive Tool for Learning. In T. Bastiaens & M. Ebner (Eds.), Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications 2011 (pp. 3718-3727). Chesapeake, VA: AACE.