1. Airasian, P. W., Engemann, J. F., & Gallagher, T. L. (2007). Classroom assessment: Concepts and applications (Canadianth ed.). Toronto: McGraw-Hill Ryerson.
2. Assor, A., & Connell, J. P. (1992). The validity of students’ self-reports as measures of performance affecting self-appraisals. In D. H. Schunk & J. L. Meece (Eds.), Student perceptions in the classroom. Hillsdale: Erlbaum.
3. Bandura, A. (1997). Self-efficacy: The exercise of control. New York: Freeman.
4. Bassiri, D., & Schulz, E. M. (2003). Constructing a universal scale of high school course difficulty. Journal of Educational Measurement, 40(2), 147–161.
5. Bird, R. B., & Smith, E. A. (2005). Signaling theory, strategic interaction, and symbolic capital. Current Anthropology, 46(2), 221–248.