Zi Yan is Associate Professor at the Department of Curriculum and Instruction, the Education University of Hong Kong. He is also the Co-Director of the Centre for Excellence in Learning and Teaching (CELT) and Associate Director of the Assessment Research Centre (ARC). His main publications and research interests focus on two related areas, i.e., educational assessment in the school and higher education contexts with an emphasis on student self-assessment; and Rasch measurement, in particular its application in educational and psychological research. He is currently leading the Key Research Area on Assessment Research To Improve Student-learning and Teaching (ARTIST) (https://www.eduhk.hk/artist) at the Education University of Hong Kong. Lan Yang is Assistant Professor at the Department of Curriculum and Instruction, the Education University of Hong Kong. She obtained her PhD degree from the University of Hong Kong in 2012 on examining the effects of performance feedback and a combination of performance and attributional feedback on enhancing Chinese students’ academic self-concept and academic achievement. She was the recipient of the Global SELF Research Network Highly Commended PhD Award (2013) based on her PhD research. Her research focuses on harnessing the power of formative assessment from the perspective of psychology including a range of influential psychological constructs (e.g., self-concept, achievement emotions, learning engagement etc.). Recently, the Psychology and Assessment SIG led by Dr. Yang has been established under the KRA (https://www.eduhk.hk/artist), the Education University of Hong Kong.