Practical implications of item response theory and computerized adaptive testing: a brief summary of ongoing studies of widely used headache impact scales.
Ware
J E
JE
QualityMetric, Inc, Lincoln, Rhode Island 02865, USA. jware@qmetric.com
Bjorner
J B
JB
Kosinski
M
M
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