Dana Gross, chief consultant to this edition, received her Ph.D. in child psychology from the Institute of Child Development at the University of Minnesota. Since 1988 she has been at St. Olaf College, where she is an associate professor of psychology, Director of Linguistic Studies, and an affiliate faculty member of the Asian Studies department. Her broad teaching and research interests include perception, language, cognition, and social cognition, as well as cross-cultural child development. She has published in several professional journals, has presented her work at numerous conferences, and coauthored a chapter in "Developing Theories of Mind", edited by Astington, Harris, and Olson. Dr. Gross has prepared instructor's manuals and test banks for several McGraw-Hill textbooks and served as chief consultant on Papalia, Olds, and Feldman's "A Child's World".