Bradford Pillow, Ph.D., is Associate Professor of Psychology at Northern Illinois University. Since receiving his Ph.D. in Psychology from Stanford University in 1986, he has conducted research on the development of metacognition and social cognition in preschool children, elementary school children, and adolescents. His research focuses primarily on children’s ability to infer another person’s knowledge, beliefs, or visual experience, children’s understanding of cognitive processes such as attention, inference, comprehension, and memory, children’s ability to monitor their own cognitive states, and children’s explanations of another person’s behavior. Currently, he is Associate Editor for The Journal of Genetic Psychology, and Consulting Editor for Child Development.