The Impact of Personalized Emotional Feedback of Pedagogical Agent on University Students'Learning Engagement in Online Synchronous Discussion
Pedagogical agents have become an important role in supporting university students'online synchronous discussion and learning.However,whether personalized emotional feedback of pedagogical agents can improve learning engagement remains to be further explored.In this study,the social software QQ was selected as a discussion tool,and a personalized emotional feedback strategy supported by pedagogical agent was designed based on the performance of students'collaborative discussion.The quasi-ex-perimental method was used to explore the effectiveness,persistence and difference of the influence of personalized emotional feed-back of pedagogical agent on college students'learning engagement in online synchronous discussion.The results show that:the per-sonalized emotional feedback of pedagogical agent can promote students'collaborative learning engagement;the influence on learners with different levels of extrinsic motivation is different;the effect on learning engagement has weakened over time.Research sugges-tions:At the beginning of the discussion,the emotional feedback of the pedagogical agent should provide emotional support based on student performance;emotional support should be gradually fade away in the middle and late stages of the discussion.