Eleanor Armour-Thomas is Professor Emerita, Teacher Educator in Educational Psychology, and former Chairperson in the Department of Secondary Education at Queens College, City University of New York, USA. Edmund W. Gordon is John M. Musser Professor of Psychology Emeritus at Yale University, USA, as well as Richard March Hoe Professor Emeritus of Psychology and Education and Founding Director of the Institute of Urban and Minority Education (IUME) at Teachers College, Columbia University, USA.