1. Academy of Psychology and Behavior, Tianjin Normal University, Tianjin, P.R. China
2. Department of Education, Jining University, Qufu, P.R. China
3. Department of Psychology, University of Turku, Turku, Finland
4. Department of Psychology, South China Normal University, Guangzhou, P.R. China
5. School of Psychology, University of Southampton, Southampton, UK