Dr. Grace Gao earned her Ph.D. in Educational Research and Evaluation from Ohio University and has a Master Degrees in Accounting and International Studies from Ohio University.

Dr. Gao’s teaching focuses on research methodology, statistical analysis, and measurement and evaluation. In addition to teaching, Dr. Gao consults in the areas of assessment, research design, applied statistics and standard setting. Dr. Gao’s research interests focus on applied statistics, quantitative research methods and measurement analysis, particularly statistics education, statistical computer programs, differential item functioning (DIF), item response theory (IRT), test equating, and test adaptation.