6Schroeder S. We can do better-Improving the health of the American people [ J ]. New England Journal of Medicine, 2007, 357 : 1221 - 1228.
7Ryan RM, Deci EL. Self-determination theory and the facilitation of intrinsic motivation, social development and well-being[ J ]. American Psychologist, 2000, 55 : 68 - 78.
8Deci EL, Ryan RM. The "what" and the "why" of goal pursuits: Human needs and the self-determination of behavior[ J]. Psychological Inquiry, 2000, 11 : 227 - 268.
9Williams GC, McGregor HA, Sharp D, et al. A self-determination multiple risk intervention trial to improve smokers' health [ J ]. Journal of General Internal Medicine, 2006, 21 : 1288 -1294.
10Fortier MS, Gaumond S. Testing a self-determination process model of physical activity persistence in adolescents [ M ]. Quebec Manuscript submitted for publication ,2007.1.