Abstract Background In survey studies on health-state valuations. ordinal ranking exercises often are used as precursors to other elicitation methods such as the time trade-off (TTO) or standard gamble. but the ranking data have not been used in deriving cardinal valuations. This study reconsiders the role of ordinal ranks in valuing health and introduces a new approach to estimate in... https://safeersappliancers.shop/product-category/washing-machine/