[Ling, Yu] Hunan Agr Univ, Coll Educ, Changsha 410128, Hunan, Peoples R China.
[Huebner, E. Scott] Univ S Carolina, Dept Psychol, Columbia, SC 29208 USA.
[Liu, Jin] Univ S Carolina, Dept Educ Studies, Columbia, SC 29209 USA.
[Liu, Wen-Li] Hunan Agr Univ, Oriental Inst Sci & Technol, Changsha 410128, Hunan, Peoples R China.
[Xiao, Jing; Zhang, Jun] Capital Normal Univ, Beijing Key Lab Learning & Cognit, Beijing 100048, Peoples R China.