1. The disability paradox: high quality of life against all odds;Albrecht;Social Science & Medicine,1999
2. Is well-being u-shaped over the life cycle?;Blanchflower;Social Science & Medicine,2008
3. Hedonic relativism and planning the good society;Brickman,1971
4. Cornman, J. C., Freedman, V. A., & Stafford, F. P. (2011). Comparing estimates of time use in the PSID's supplement on disability and use of time and the American time use survey panel study of Income Dynamics Technical Series Paper #11–01. http://psidonline.isr.umich.edu/Publications/Papers/tsp/2011-01_Estimates%20of%20Time%20Use_DUST.pdf#page=1. Accessed December 8, 2011.
5. Beyond the hedonic treadmill: revising the adaptation theory of well-being;Diener;American Psychologist,2006