Comparison of Rasch and Summated Rating Scales Constructed from SF-36 Physical Functioning Items in Seven Countries
Anastasia E. Raczek; John E. Ware; Jakob Bue Bjørner; Barbara Gandek; Stephen M. Haley; Neil K. Aaronson; Giovanni Apolone; Per Bech; John Brazier; Monika Bullinger; Marianne Sullivan
Journal of Clinical Epidemiology
Rasch AnalysisHealth OutcomesSurvey Research
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