1. Anderson, R. C., & Biddle, W. B. (1975). On asking people questions about what they are reading. In G. Bower (Ed.), Psychology of learning and motivation (Vol. 9, pp. 90–132). New York: Academic Press.
2. Andre, T. (1979). Does answering higher-level questions while reading facilitate productive learning? Review of Educational Research, 49, 280–318.
3. Brush, T. A., & Saye, J. W. (2002). A summary of research exploring hard and soft scaffolding for teachers and students using a multimedia supported learning environment. The Journal of Interactive Online Learning, 1(2), 1–12. Retrieved March 14, 2008, from http://www.ncolr.org/jiol/issues/PDF/1.2.3.pdf .
4. Cerdán, R., Martínez, T., Vidal-Abarca, E., Gilabert, I., Gil, L., & Rouet, J.-F. (2008). Search and comprehension processes in learning from text. In J.-F. Rouet, L. Richard, & S. Wolfgang (Eds.), Understanding multimedia documents (pp. 121–147). New York: Springer.
5. Cerdán, R., Vidal-Abarca, E., Martínez, T., Gilabert, R., & Gil, L. (2009). Impact of question-answering tasks on search processes and reading comprehension. Learning and Instruction, 19(1), 13–27.