The Rasch measurement model in rheumatology: what is it and why use it? When should it be applied, and what should one look for in a Rasch paper?
Tennant
Alan
A
University of Leeds, Leeds, UK. a.tennant@leeds.ac.uk
Conaghan
Philip G
PG
D004185:Disability Evaluation; D006801:Humans; D015233:Models, Statistical; D017063:Outcome Assessment, Health Care / Q000592:standards / Q000706:statistics & numerical data*; D011594:Psychometrics; D015203:Reproducibility of Results; D012216:Rheumatic Diseases / Q000503:physiopathology / Q000523:psychology / Q000628:therapy*; D016896:Treatment Outcome