- Leung, B.W.; McBride, M.; Moneta, G.B.
- Think Positively and Feel Positively: Optimism and Life Satisfaction in Late Life.
- International Journal of Aging and Human Development, 2005, Vol. 61, 335 - 365
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.