Dr. Michael Walker is the distinguished Presidential Appointee and Director of the Center for Research on Validity, Fairness & Equity in Learning and Assessment at the Educational Testing Service. Dr. Walker holds a Ph.D. in quantitative psychology and a Master’s degree in statistics, both earned here at the University of Illinois. He also has a Master’s degree and a BA in psychology, both earned at Wake Forest University.   With more than three decades of involvement in the field of testing, He is a recognized, published expert on all aspects of designing and maintaining testing...