Stephen B. Klein (Phd, Psychology, Rutgers University) is a Professor of the Department of Psychology at Mississippi State University, where he has taught since 1990. He teaches a variety of undergraduate classes, including Learning Principles and Processes, Human Learning and Thinking, Theories of Learning, and Quantitative Methods, as well as graduate classes in Advanced Learning, Advanced Learning and Motivation, and Advanced Experimental Methods. His research interests are in the biological basis of learning and memory and constraints and predispositions on food preferences and aversions.