A three-item likert scale designed to measure the degree to which a person feels that he/she is experiencing pleasurable stimulation in his/her life.
Sheldon, Kennon M., Andrew J. Elliot, Youngmee Kim, and Tim Kasser (2001), "What Is Satisfying About Satisfying Events? Testing 10 Candidate Psychological Needs," Journal of Personality and Social Psychology, 80 (2), 325-39.
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