Calibration of an Item Pool for Assessing the Burden of Headaches: An Application of Item Response Theory to the Headache Impact Test (HIT™)
Background: Measurement of headache impact is important in clinical trials, case detection, and the clinical monitoring of patients. Computerized adaptive testing (CAT) of headache impact has potential advantages over traditional fixed-length tests in terms of precision, relevance, real-time quality...
Veröffentlicht in: | Quality of Life Research. - Springer Science + Business Media. - 12(2003), 8, Seite 913-933 |
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Format: | Online-Aufsatz |
Sprache: | English |
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2003
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Zugriff auf das übergeordnete Werk: | Quality of Life Research |
Schlagworte: | Computerized adaptive testing Disability Headache Health status Impact Item response theory Migraine Quality of life Questionnaires Severity mehr... |
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