E, Erdogan Ciftci; Bago d'Uva T; E, van Doorslaer; J, … - Department of Economics and Related Studies, University … - 2009
Researchers can rely on either on retrospectively reported or on prospectively measured health changes to identify and quantify recent changes in respondents’ health status. The two methods typically do not provide the same answers. This paper compares the criterion validity of prospective...