His research interests include the development of children's social understanding and socio-emotional competence, moral agency, and conceptions of selfhood. Frederick M. E. Grouzet is an Associate Professor of Psychology at the University of Victoria. His research interests include the development of personal goals and values through socialization and personal growth experiences, as well as the relationships between goals, mental time travel, and well-being. Ulrich Muller is an Associate Professor of Psychology at the University of Victoria. His research focuses on the development of self-regulation in young children, and the ways in which social interaction influences the development of self-regulation. Dr Muller has co-edited several books, including the Cambridge Companion to Piaget (2009).