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PharmacyInternal MedicineFunctional AssessmentPsychometricsRheumatologyHealth Status MeasurementHealth-related Quality Of Life MeasurementPain AssessmentPatient-reported Outcome MeasuresRheumatoid ArthritisSymptom Burden AssessmentComposite Score ConstructionDisease Activity MeasurementDisease DurationFunctional Rating ScalesPain Functional Impact AssessmentPsychometric PropertiesPsychometric ValidityValidation Study Design
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Coefficient Alpha and the Internal Structure of Tests
Lee J. Cronbach · Psychometrika · 1951 · 43.2K citations · Full text
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