title: Practical implications of item response theory and computerized adaptive testing: a brief summary of ongoing studies of widely used headache impact scales.
authors.affiliation: QualityMetric, Inc, Lincoln, Rhode Island 02865, USA. jware@qmetric.com
authors.forename: J E
authors.initials: JE
authors.lastname: Ware
authors.forename: J B
authors.initials: JB
authors.lastname: Bjorner
authors.forename: M
authors.initials: M
authors.lastname: Kosinski
mesh_terms: D000203:Activities of Daily Living; D000465:Algorithms; D003198:Computer Simulation; D005163:Factor Analysis, Statistical; D006261:Headache / Q000145:classification / Q000523:psychology*; D006305:Health Status Indicators; D006801:Humans; D015233:Models, Statistical; D010865:Pilot Projects; D011795:Surveys and Questionnaires