William Steve Lang is a Professor of Educational Measurement and Research at the University of South Florida St. Petersburg, where he teaches graduate courses in measurement, statistics, and research. He, too, focuses his teaching on making meaningful and pragmatic uses of the disciplines he teaches. He earned his Ph.D. from the University of Georgia in 1984. He has taught as a public school teacher in South Carolina and Georgia and as a college faculty member in South Carolina, Georgia, and Florida. He has published on a variety of applications in educational testing and works extensively wit...