Articles

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Testing item response theory invariance of the standardized Quality-of-life Disease Impact Scale (QDIS) in acute coronary syndrome patients: differential functioning of items and test (with Nina Deng, Milena D. Anatchkova, Molly E. Waring, and Kyung T. Han), Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2015)
 

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Energy, fatigue, or both? A bifactor modeling approach to the conceptualization and measurement of vitality (with Nina Deng and Rick Guyer), Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation (2015)
 

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Assessing health-related quality of life in patients with benign non-toxic goitre (with Torquil Watt, Per Cramon, and Daniel M. Frendl), Best practice and research. Clinical endocrinology and metabolism (2014)
 

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The PROMIS Physical Function item bank was calibrated to a standardized metric and shown to improve measurement efficiency (with Matthias S. F. Rose, Jakob B. Bjorner, Barbara Gandek, Bonnie Bruce, and James F. Fries), Journal of clinical epidemiology (2014)
 

Contributions to Books

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SF-36® Health Survey (with D. M. Turner-Bowker and M. A. DeRosa), Encyclopedia of Epidemiology (2008)
 

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Computerized Adaptive Testing and Item Banking (with Jakob B. Bjorner and Mark Kosinski), Assessing Quality of Life in Clinical Trials (2005)
 

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SF-36 Health Survey Update, The Use of Psychological Testing for Treatment Planning and Outcome Assessment (2004)
 

Posters and Presentations

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FORCE-TJR: Innovative design for a national TJR comparative effectiveness research database (with Patricia D. Franklin, Jeroan J. Allison, Wenjun Li, Leslie R. Harrold, Bruce A. Barton, Benjamin Snyder, Milagros C. Rosal, Norman Weissman, and David C. Ayers), Clinical and Translational Science Research Retreat (2012)
 

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Using bootstrap to compare the validity of PRO measures in discriminating among CKD patients (with Nina Deng), Clinical and Translational Science Research Retreat (2012)
 

Other

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Stakeholder Perspectives: The Evolution of PROs and the Development and Utilization of PROs for CER (with Amy Abernethy, David Cella, and Nicole Tapay), Stakeholder Symposia (2012)
 

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Response to the FDA Draft Guidance for Industry document: Patient-Reported Outcome Measures: Use in Medical Product Development to Support Labeling Claims (Docket 2006D-0044) (with Jakob B. Bjorner, Barbara Gandek, Jason Cole, Mark Kosinski, Gene Wallenstein, and Milena Anatchkova), Quantitative Health Sciences Publications and Presentations (2006)