Letting the CAT out of the bag: Comparing computer adaptive tests and an 11-item short form of the Roland-Morris Disability Questionnaire. Spine, 33, 1378-83. presented at the May 20.. (2008).
Pre-equating: a simulation study based on a large scale assessment model. Journal of Applied Measurement, 5, 301-18.. (2004).
Psychometric evaluation and calibration of health-related quality of life item banks: plans for the Patient-Reported Outcomes Measurement Information System (PROMIS). Medical Care, 45, S22-31. presented at the May.. (2007).