academic article

• Differential Item Functioning Analyses of the Patient-Reported Outcomes Measurement Information System (PROMIS®) Measures: Methods, Challenges, Advances, and Future Directions..  Psychometrika.  86:674-711. 2021
• 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
• Psychometric evaluation and calibration of health-related quality of life item banks - Plans for the patient-reported outcomes measurement information system (PROMIS).  Medical Care.  2007