- Nelson, S. K.; Lyubomirsky, S.
- Finding Happiness: Tailoring Positive Activities for Optimal Well-Being Benefits.
- Handbook of Positive Emotions, By Barbara L. Fredrickson, 2012, Chapter 16, 275 - 307
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.