- Sylvester, B.D.; Busseri, M.A.; Mack, D.
- Health-enhancing Physical Activity, Psychological needs Satisfaction, and Wellbeing: Is it how often, how long, or how much Effort that Matters?
- Mental Health and Physical Activity, 2012, Vol. 5, 141 - 147
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.