Her primary areas of research include the development and testing of patient-centered outcome measures using item response theory and computer adaptive testing methods, clinical and health services research in fall and fracture prevention and management for older adults, the measurement of function for work disability determination and rehabilitation, and cost-effectiveness of alternative management approaches for musculoskeletal disorders. She provides methodological expertise and serves as Editor of Clinical Practice Guidelines for the Orthopaedic Section and Academy of Geriatric Physical Therapy of the American Physical Therapy Association. She has worked for several years in commercialization of technologies and medical devices in rehabilitation and pediatrics