2Deci, E. L., & Ryan, R. M. (Eds.) Handbook of self - determination research [ M ]. NY: University of Rochester Press, 2003:10 -45.
3Epstein, S, Constructive thinking: the key to emotional intelligence [ M ]. Westport: Praeger, 1998:9.
4Deci, E. L, & Ryan, R. M. The "What" and "Why" of goal pursuits : Human needs and the self - determination of behavior[ J]. Psychological Inquiry,2000, (4) :227 ~ 268.
