Background The Health Utilities Index Mark 3 (HUI3) is a comprehensive, compact health status classification and health state preference system. The HUI3 system has been implemented in 4 Canadian population health surveys. Objectives To evaluate the construct validity of the HUI3 for the...

Suppose an agency awards a …xed number of prizes to applicants in different categories such that the applicant-to-winner ratio is constant by category. It is demonstrated in a simple theoretical model that the number of awards in a category will typically be positively related to the degree of...