Ann M. Gallagher is a Research Scientist at LSAC. Her main research interest is sources of group differences in test performance and problem solving. She has published in the Journal of Educational Measurement, The Journal of Experimental Child Psychology, Merrill Palmer Quarterly and Teacher's College Record.
James C. Kaufman is an Assistant Professor of Psychology at the California State University at San Bernardino, where he is also the director of the Learning Research Institute. He served as the co-editor of The Evolution of Intelligence (with Robert J. Sternberg, 2002) and The International Handbook of Creativity (with Robert J. Sternberg, Cambridge, 2006).