Notes on contributors
Michiel Veldhuis is a researcher in mathematics education at the Freudenthal Group, Faculty of Social and Behavioural Sciences, Utrecht University, the Netherlands. He is involved in several international research projects on assessment in mathematics education and the development of mathematical higher-order thinking.
Xiaoyan Zhao is a PhD candidate in mathematics education at the Freudenthal Institute of Utrecht University, the Netherlands. Her research project is on classroom assessment in Chinese primary school mathematics education.