مؤلف: Julia M. Carroll

Julia M. Carroll is an Associate Professor at the University of Warwick. Claudine Bowyer-Crane is a Senior Lecturer at Sheffield Hallam University and a chartered psychologist. Fiona J. Duff is a Post-Doctoral Research Fellow in the Department of Psychology at the University of York. Charles J. Hulme is Professor of Psychology at the University of York. Margaret J. Snowling is Professor of Psychology at the University of York and a chartered clinical psychologist. Illustrations by Dean Chesher