title: Introduction to health measurement scales.
authors.affiliation: Institute of Behavioral Sciences, Semmelweis University, Budapest, Hungary.
authors.forename: András P
authors.initials: AP
authors.lastname: Keszei
authors.forename: Márta
authors.initials: M
authors.lastname: Novak
authors.forename: David L
authors.initials: DL
authors.lastname: Streiner
mesh_terms: D006801:Humans; D015588:Observer Variation; D011594:Psychometrics / Q000379:methods* / Q000706:statistics & numerical data*; D011602:Psychophysiologic Disorders / Q000175:diagnosis / Q000523:psychology; D011611:Psychosomatic Medicine / Q000379:methods* / Q000706:statistics & numerical data*; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires