Schumacker, Randall E.

Dr. Randall E. Schumacker is professor of educational research at the University of Alabama. He has written and co-edited several books, including "A Beginner s Guide to Structural Equation Modeling, Third Edition", "Advanced Structural Equation Modeling: Issues and Techniques", "Interaction and Non-Linear Effects in Structural Equation Modeling", "New Developments and Techniques in Structural Equation Modeling", "Understanding Statistical Concepts Using S-PLUS", "Understanding Statistics Using R", and "Learning Statistics Using R". Dr. Schumacker was the founder and is now emeritus editor of