academic article

• Estimating individual health-related quality of life changes in low back pain patients..  BMC musculoskeletal disorders.  24:-. 2023
• Using Item Response Theory to Identify Responders to Treatment: Examples with the Patient-Reported Outcomes Measurement Information System (PROMIS®) Physical Function Scale and Emotional Distress Composite..  Psychometrika.  86:781-792. 2021
• Alternative Approaches to Addressing Non-Normal Distributions in the Application of IRT Models to Personality Measures..  Journal of Personality Assessment.  100:363-374. 2017
• Responsiveness to Change and Minimally Important Differences of the Patient-Reported Outcomes Measurement Information System Gastrointestinal Symptoms Scales..  Digestive diseases and sciences.  62:1186-1192. 2017
• How much is lost in using single items?.  Journal of General Internal Medicine.  27:1402-3. 2012
• Advancing PROMIS's methodology: results of the Third Patient-Reported Outcomes Measurement Information System (PROMIS(®)) Psychometric Summit..  Expert review of pharmacoeconomics & outcomes research.  11:677-84. 2011
• Differential item functioning by survey language among older Hispanics enrolled in Medicare managed care: a new method for anchor item selection..  Medical care.  49:461-8. 2011
• Efficiency of static and computer adaptive short forms compared to full-length measures of depressive symptoms..  Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation.  19:125-36. 2009
• Analysis of differential item functioning in the depression item bank from the Patient Reported Outcome Measurement Information System (PROMIS): An item response theory approach..  Psychology science quarterly.  51:148-180. 2009
• The role of the bifactor model in resolving dimensionality issues in health outcomes measures..  Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation.  19-31. 2007
• 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. 2007
• Application of Group-Level Item Response Models in the Evaluation of Consumer Reports About Health Plan Quality..  Multivariate behavioral research.  41:85-102. 2006
• Do health care ratings differ by race or ethnicity?.  Joint Commission journal on quality and safety.  29:134-45. 2003