5Foster Sandra L, Lloyd Paul J. Positive Psychology Principles Applied to Consulting Psychology at the Individual and Group Level [J]. Consulting Psychology Journal: Practice & Research, 2007,59 (1) :30-40.
6Russel J A, Feldman B L. Core affect, prototypicalemotional episodes, and other things called emotiona Dissecting theelephant [J]. Journal of Personality and Social Psychology, 1999, (76) :805- 819.
7Fredriekson B L. The role of positive emolions in positive psychology, The broaden and Build theory of positive emotions[J]. American Psychologist, 2001,56 : 218-2261.
8Fredrickson B L. What good are positive emotions? [J]. Reviewof General Psychology,1998, (2) : 300-319.
9Fredrickson B L. Gratitude, like other positive emotions, Broaden and builds[A]. In Emmons R A, M E McCullough (Eds.) The Psychology of Gratitude [C]. New York :Oxford University Press, 2004.
10Fredrickson Barbara L. What Good Are Positive Emotions?[J]. Review of General Psychology,1998,2(3) :300-319.