- Levy, B.R.; Kasl, S.V.; Kunkel, S.R.; Slade, M.D.
- Longevity Increased by Positive Self-Perceptions of Aging.
- Journal of Personality and Social Psychology, 2002, Vol. 83, 261 - 270
- 0022 3514
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.