01 AI-enabled educational assessment： an integrated approach to assessment of， for and as learning

Sheng Zhang， Xue Wang and Yuan Qi

09 Educational assessment in the intelligent era： implication， role and pathway

Qi Zhang and Dan Wang

17 Online teaching and innovation of Chinese elementary and middle schools during COVID-19： an

interactive teaching perspective

Yijun Wu and Li Chen

27 Synchronous “presence” and online “face to face”： a review of 26 papers on overseas online

synchronous video teaching

Wenge Guo， Mengzhe Zhang， Qin Xu， Jing Lei and Yang Liu

36 An empirical study on the evaluation of learning behavioral engagement in live classes： the

case of small English live classes for children on ClassIn

Sizhuo Liu， Shuang Li and Jiajing Huang

46 Elements of open education： an invitation to future research

The COER Group， Center for Open Education Research （COER）， University of Oldenburg， Germany

59 The future of lifelong education empowered by learning together： a summary of the

7th Shanghai Forum on Lifelong Education

Wenshu Li and Jiacheng Li

66 Focus and trends of seamless learning： academic highlights from 18th mLearn conference

Jun Xiao， Xiaotong Liang， Longxiang Huang and Zhimin Pan

76 Abstracts

78 Contents