1Paas F, van Merrienboer J. Variability of workload examples and transfer of geometrical problem solving skills : A cognitive load approach. Journal of Educational Psychology, 1994, 86 : 122 - 133.
2Bandura A. Self - efficacy: The exercise of control. New York: W H Freeman, 1997.
3Paas F, Renkl A, Sweller J. Cognitive load theory and instruction design: Recent developments. Educational Psychologist, 2003, 38 : 1 - 4.
4Christensen W R . The effects of cognitive load conditions upon performance, anxiety, and self-efficacy in computer based learning environments. Unpublished Doctorial Dissertation, Norman: Oklahoma, 2005.
5Pajares F. Self- efficacy in academic settings. Review of Educational Research, 1996, 66(4) :325 -344.
6Flad J A. The effects of increasing cognitive load on self- report and dual -task measures of mental effort during problem solving. Unpublished Doctorial Dissertation, Los Angeles : University of Southern California, 2002.
