Qian Zhao is the Associate Professor at Beijing Normal University, China. Her research primarily focuses on educational evaluation and principal leadership. She has published more than 50 papers. She has authored, co-authored, and translated several books, and has also contributed to seven textbooks. Ajian Qian is the Lecturer at Faculty of Education, Guangxi Normal University, China, specializing in educational measurement, evaluation, and statistics. He is particularly engaged in research and work on quality monitoring of basic education.