1. Atkins, M., & Blissett, G. (1992). Interactive video and cognitive problem-solving skills.Educational Technology, 32(1), 44–50.
2. Ausubel, D.P. (1963). Cognitive structure and the facilitation of meaningful verbal learning.Journal of Teacher Education, 14, 217–221.
3. Bell, P. (1998, April).The knowledge integration environment: Relating debate and conceptual change through design experiments. Paper presented at the Annual Meeting of the American Educational Research Association. San Diego, CA.
4. Blumenfeld, P., Soloway, E., Marx, R., Krajcik, J., Guzdial, & Palincsar, A. (1991). Motivating project-based learning: Sustaining the doing, supporting the learning.Educational Psychologist, 26(3&4), 369–398.
5. Brickhouse, N.W. (1994). Children's observations, ideas, and the development of classroom theories about light.Journal of Research in Science Teaching, 31(6), 639–656.