Annals of the Rheumatic Diseases · 2014 · 421 citations · 35 references
MedicineClinical SciencesHealth AssessmentPsychometricsRheumatologyClinical Outcome AssessmentItem AnalysisOutcome AssessmentPatient-reported Outcome MeasuresPsoriatic ArthritisSymptom Burden AssessmentImportance MeasuresPatient-reported Outcome Measure ValidationPatient-reported Outcome ValidationPsoriatic DiseaseQuestionnaire ReliabilityQuestionnaire ValidityTest-retest ReliabilityValidation Study Design
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Construct validity in psychological tests.
Lee J. Cronbach, Paul E. Meehl · Psychological Bulletin · 1955 · 10.9K citations · Full text