Research interests: Second Language Writing, Error Correction and Feedback in Writing, Classroom Writing Assessment, and Second Language Teacher Education.

Professor and Chair at the Department of Curriculum and Instruction of the Faculty of Education, the Chinese University of Hong Kong. She has published extensively on these areas in top journals and edited collections，and has served on the editorial boards of ELT Journal, TESOL Quarterly, Journal of Second Language Writing, Assessing Writing, and TESL Canada Journal. Currently, she is Co-editor of the Journal of Second Language Writing and Senior Associate Editor of The Asia-Pacific Education Researcher.