1. Ball, D. L., & Cohen, D. K. (1996). Reform by the book: what is—or might be—the role of curriculum materials in teacher learning and instructional reform. Educational Researcher, 25(9), 6–8. 14.
2. Bandura, A. (1977). Self-efficacy: toward a unifying theory of behavioral change. Psychological Review, 84(2), 191–215.
3. Bandura, A. (1981). Self-referent thought: a developmental analysis of self-efficacy. In J. H. Flavell & L. Ross (Eds.), Social cognitive development frontiers and possible futures (pp. 200–239). Cambridge: Cambridge University Press.
4. Baron, R. M., & Kenny, D. A. (1986). The moderator-mediator variable distinction in social psychological research: conceptual, strategic, and statistical considerations. Journal of Personality and Social Psychology, 51(6), 1173–1182.
5. Benishek, L. A., Feldman, J. M., Shipon, R. W., Mecham, S. D., & Lopez, F. G. (2005). Development and evaluation of the revised academic hardiness scale. Journal of Career Assessment, 13(1), 59–76. doi: 10.1177/1069072704270274 .