1. Shanghai Institute of Early Childhood Education, Shanghai Normal University , Shanghai , P.R. China
2. Lab for Educational Big Data and Policymaking, Ministry of Education , Beijing , P.R. China
3. Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Research Center for Learning Science, Southeast University , Nanjing , P.R.China
4. Faculty of Education and Human Development, The Education University of Hong Kong, HKSAR , Hong Kong , Hong Kong