Xueying (Sherry) Gao, PhD, is Assistant Research Scientist for the National Resource Center for Family Centered Practice in the Consortium for Substance Abuse Research and Evaluation. Dr. Gao earned a Ph.D. in Methodology, Measurement, and Analysis at University of Central Florida, and a Master of Arts in Research Methods Measurement and Evaluation at University of Connecticut. Her research focuses on creating and validating psychological measures and quantitative methodologies for research and evaluation studies.