William D Schafer

William D. Schafer, Ph.D., is Affiliated Professor (Emeritus) Maryland Assessment Research Center for Education Success, Department of Measurement, Statistics, and Evaluation, College of Education, University of Maryland - College Park.

William D. Schafer, Ph.D., is Affiliated Professor (Emeritus) Maryland Assessment Research Center for Education Success, Department of Measurement, Statistics, and Evaluation, College of Education, University of Maryland - College Park. See less