1. Educational Testing Service, Princeton, NJ, USA
2. Rice University, Houston, TX, USA
3. International Center for Action Research on Education, School of Education, Henan University, Kaifeng, People’s Republic of China
4. Faculty of Education, Sichuan Normal University, Chengdu, People’s Republic of China
5. Shandong Jinan University, Jinan, People’s Republic of China
6. Graduate School of Education, Peking University, Beijing, People’s Republic of China
7. School of Education, Zhongshan University, Guangzhou, People’s Republic of China
8. Institute of Education, Tsinghua University, Beijing, People’s Republic of China
9. Center for Experimental Economics of Education, Shaanxi Normal University, Shaanxi, People’s Republic of China
10. Institute of Education, National Research University Higher School of Economics, Moscow, Russia
11. Graduate School of Education and Freeman Spogli Institute for International Studies, Stanford University, Stanford, CA, USA