- Ryan, R.M.; Frederick-Recascino, C.
- On Energy, Personality, and Health: Subjective Vitality as a Dynamic Reflection of Well-Being.
- Journal of Personality, 1997, Vol. 65, 529 - 565
- 1467 6494
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.