Perera, B.P.R.; Jayasuriya, R.; Caldera, A.; Wickremasinghe, A.R.
(BioMed Central., 2020)
PURPOSE: The WHO-5 well-being index is a widely used, short rating scale that measures subjective well-being. We translated the WHO-5 index into Sinhala and tested its psychometric properties including measurement invariance ...