6Nes LS, Evans DR, Segerstrom SC. Optimism and college re-tention : Mediation by motivation, performance, and adjustment[J]. J Appl Soc Psychol,2009,39(8):1887-1912.
7Pais-Ribeiro J,Da SA,Meneses RF,et al. Relationship betweenoptimism,disease variables,and health perception and qualityof life in individuals with epilepsy [J]. Epilepsy Behav,2007,11(1):33-38.
8Wenglert L,Rosen AS. Measuring optimism-pessimism from be-liefs about future evevts[J]. Pers Indiv Differ,2000,28(4) :717-728.
9Scheier MF,Carver CS. Optimism,coping,and health:assess-ment and implications of generalized outcome expectancies [J].Health Psychol, 1985,4(3) :219-247.
10Marshall GN,Wortman CB,Kusulas J,et al. Distinguishing opti-mism and pessimism : relations to fundamental dimensions ofmood and personality [J]. J Pers Soc Psychol, 1992 ,62 (6):1067-1074.
