Elizabeth Hahn is a medical sociologist with expertise in patient-centered outcomes research with a focus on underserved populations and health disparities. This includes patient-reported outcomes in chronic illness, health literacy, and the design and use of novel health information technology. She has expertise in multi-center clinical trial methodology, patient-centered communication strategies, development and validation of self-report measures and surveys, and quantitative and qualitative research methods. She teaches at workshops and symposia worldwide on research design, measurement, and statistical analysis related to self-reported data in culturally diverse populations.