Arrow's (1951) Impossibility Theorem is the idea that, given several well-known assumptions, the social orderings of particular alternatives that are meant to reflect <italic>individuals'</italic> preferences must match the preferences of an arbitrary individual (the dictator). A social-choice rule other than...

Our study suggests that women in the New Zealand general public are able to consistently evaluate and value case descriptions of advanced breast cancer using either direct methods (VAS or TTO) or the EQ-5D health state classification system. Some of the valuations elicited using the four methods...