Katherine M. Robinson, Ph.D., is Professor in the Department of Psychology at Campion College at the University of Regina, Saskatchewan. She received her B.A. from Bishop’s University and M.Sc. and Ph.D. from the University of Alberta. Her research focuses on cognitive development with special emphases on the development of conceptual and procedural knowledge in arithmetic in both children and adults.
Helena P. Osana, Ph.D., is Professor in the Department of Education and Research Chair in Mathematical Cognition and Instruction at Concordia University, Montreal, Quebec. She received her B.Sc. from McGill University, M.A. from the University of British Columbia, and Ph.D. from the University of Wisconsin – Madison. She conducts research on the instructional factors that impact children’s mathematical thinking. Her recent work centres on the impacts of external knowledge representations, including manipulatives, on children’s learning and transfer in elementary mathematics. She is a member of the Center for Research in Human Development at Concordia University.
Donna Kotsopoulos, Ph.D., is a Professor in the Faculty of Arts and Social Science at Huron University (Western University), London, Canada. She received her B.A. and B.Ed. at York University, and her M.Ed. and Ph.D. at the University of Western Ontario. Her research focuses on early mathematical cognition and learning, and organizational behaviour. Her research has resulted in social innovation with the LittleCounters® program – a community and early child care center, play-based early numeracy program. She is the Director of the Mathematical Brains Laboratory and she is the co-Director of the Mathematics Knowledge Network (Ministry of Education, Ontario).