Dr. Steven J. Osterlind is Professor of Measurement and Statistics and Director of Educational Psychology program, University of Missouri-Columbia. Dr. Osterlind s expertise is in psychological assessment, including tests and measurement, statistics, psychometric methods and test development. He received his doctoral degree in 1976 in Educational Psychology (Measurement & Statistics) from the University of Southern California. In 1979, he was an American Scholar s Fellow at Yale University. At the University of Missouri he teaches graduate-level courses in multivariate statistics, analysis of