- Green, C.W.; Gardner, S.M.; Reid, D.H.
- Increasing Indices of Happiness Among People With Profound Multiple Disabilities: A Program Replication and Component Analysis.
- Journal of Applied Behavior Analysis, 1997, Vol. 30, 217 - 228
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.