David Z. Hambrick is Professor in the Department of Psychology at Michigan State University. His research focuses on the origins of expertise, including the role of basic cognitive abilities. Alexander P. Burgoyne is a Research Scientist in the School of Psychology at Georgia Tech. His research focuses on the underpinnings of individual differences in cognition and expertise/skill. Erik M. Altmann is Professor in the Department of Psychology at Michigan State University. His research focuses on mechanisms of cognitive control. Tyler Matteson is Lab Manager and Research Coordinator for the Life-span Development Lab at Stanford University.