This work was supported by the National Natural Science Foundation of China (Grant No. 61877025), Humanities and Social Sciences Fund, Ministry of Education of China (Grant No. 17YJA190006), and the Collaborative Innovation Center (jointly constructed by Hubei Province and Ministry of Education of China) Project Focusing on Balanced Development of Information Technology and Fundamental Education: Data-driven Research in Individualized Learning of Elementary and Middle School Students (XT2017007).