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Sheri Fehnel

Vice President, Patient-Reported Outcomes, RTI-HS

Sheri Fehnel, PhD, specializes in the development and evaluation of questionnaires to measure health-related quality of life, patient satisfaction, resource utilization, and other patient-reported outcomes. Her work spans gastroenterology, dermatology, psychiatry, women's health, urology, oncology, cardiovascular, respiratory, metabolic, and chronic pain. Dr. Fehnel has moderated countless focus groups, conducted cognitive interviews with a wide variety of patient and professional populations, and assessed potential sources of measurement error through cognitive forms appraisal. She has also evaluated the psychometric properties of many survey and clinical instruments using factor analysis, structural equations modeling, and item response theory. Dr. Fehnel is a frequent conference presenter at organizations such as the International Society for Quality of Life Research and the International Society for Pharmacoeconomics and Outcomes Research, She has published numerous articles related to questionnaire development and psychometric evaluation, and serves as a co-editor for Value in Health.


PhD, Quantitative Psychology, University of North Carolina at Chapel Hill; MA, Clinical Psychology, University of North Carolina at Chapel Hill; BS, Mathematics and Psychology, Duke University.

Latest Publications

Crawford, S.R., Brown, T.M., Fehnel, S.E., Doward, L., Nelson, L., Chen, A., et al. (2015). The International Development of The Modified Hyperphagia Questionnaire, Value in Health, 18 (7):A761.
Fehnel, S., Brown, T.M., Nelson , L., Chen, A., Kim, D.D., Roof, E., et al. (2015). Development of the Hyperphagia Questionnaire for use in Prader-Willi syndrome clinical trials, Value in Health, 18 (3):A25-A25.
Nelson, L.M., Williams, V.S., Fehnel, S.E., Carson, R.T., MacDougall, J., Baird, M.J., et al. (2014). Psychometric validation of patient-reported outcome measures assessing chronic constipation. Clinical and Experimental Gastroenterology, 7 :385-394.
Williams, V.S., Nelson, L.M., Fehnel, S.E., MacDougall, J., Carson, R.T., Tourkodimitris, S., et al. (2014). Psychometric validation of symptom severity measures in irritable bowel syndrome with constipation. Alimentary Pharmacology and Therapeutics, 40 (3):298-308.
Ervin, C.M., Fehnel, S.E., Baird, M.J., Carson, R.T., Johnston, J.M., Shiff, S.J., Kurtz, C.B., & Mangel, A.W. (2014). Assessment of treatment response in chronic constipation clinical trials. Clinical and Experimental Gastroenterology, 7 :191-198.
View all publications by Sheri Fehnel (81)


  • Patient-Reported Outcomes
  • Questionnaire Development
  • Psychometrics