W. JAMES POPHAM, Ed.D., is one of the country's foremost authorities on educational testing. He was a professor in the UCLA Graduate School of Education for 29 years, teaching prospective teachers about testing and how to use testing as a means toward more effective classroom instruction. He is the author of more than 20 books and 300 articles and papers, primarily on educational testing. In 1968, Dr. Popham established IOX Assessment Associates, a Los Angeles test-development and evaluation agency that has created statewide student achievement tests for a dozen states. In addition, he is a former president of the American Educational Research Association (AERA) and the founding editor of its quarterly journal, Educational Evaluation and Policy: Dr. Popham and his wife, Sarah Stanley, now live on the island of Kauai in Hawaii.