1. Arnold, M. B. (1942). A study of the relation to breakdown. Journal of Educational Psychology, 33, 449–457.
2. Bell, K. E., & Limber, J. E. (2010). Reading skill, textbook marking, and course performance. Literacy Research and Instruction, 49, 56–67. doi: 10.1080/19388070802695879 .
3. Bjork, R. A. (1994). Institutional impediments to effective training. In D. Druckman & R. A. Bjork (Eds.), Learning, remembering, believing: enhancing human performance (pp. 295–306). Washington, DC: National Academy Press.
4. Bjork, R. A. (1999). Assessing our own competence: heuristics and illusions. In D. Gopher & A. Koriat (Eds.), Attention and performance XVII. Cognitive regulation of performance: interaction of theory and application (pp. 435–459). Cambridge: MIT Press.
5. Bjork, E. L., & Bjork, R. A. (2011). Making things hard on yourself, but in a good way: creating desirable difficulties to enhance learning. In M. A. Gernsbacher, R. W. Pew, L. M. Hough, & J. R. Pomerantz (Eds.), Psychology and the real world: essays illustrating fundamental contributions to society (pp. 56–64). New York: Worth Publishers.