The role of cognitive equivalence in studies of health-related quality-of-life assessments.
Barofsky
I
I
Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
D003071:Cognition; D003431:Cross-Cultural Comparison; D018864:Cultural Diversity; D006305:Health Status Indicators; D006801:Humans; D011594:Psychometrics; D011788:Quality of Life; D012107:Research Design; D012647:Self-Assessment; D014481:United States / Q000453:epidemiology