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Filters: Author is Bjorner, J. B. and Keyword is Health Surveys [Clear All Filters]
Calibration of an item pool for assessing the burden of headaches: an application of item response theory to the Headache Impact Test (HIT). Quality of Life Research, 12, 913-933.
. (2003). ![application/pdf PDF icon](/modules/file/icons/application-pdf.png)
Improving patient reported outcomes using item response theory and computerized adaptive testing. Journal of Rheumatology, 34, 1426-31. presented at the Jun.
. (2007).