Elizabeth Stone is a senior research associate in the Research & Development division of Educational Testing Service. She came to the Foundational & Validity Research area from her role as a principal statistical associate in the Statistical Analysis and Psychometrics Research area, where she worked for eight years. In SA&PR, her efforts concentrated primarily on coordination and statistical analysis for graduate admissions testing programs, with research focused on proficiency and parameter estimation and other practical testing issues. Her work on DARA involves providing statistical and psychometric support for the various studies and analyses. She holds a B.A. in mathematics from The College of New Jersey, an M.S. in mathematics from Drexel University, and an M.S. in statistics from Temple University, where she is currently working toward a Ph.D. in statistics.