- Lindenberger, U.; Baltes, P.B.; Singer, T.
- Longitudinal Selectivity in Aging Populations: Separating Mortality-Associated Versus Experimental Components in the Berlin Aging Study (BASE
- Journal of Gerontology, 2002, Vol. 57B, 474 - 482
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.