回应哪个贴子？——在线交流的个案研究

Reply to Which Post？---The Case Study of Online Communication

如何让学生积极参与在线的讨论一直是教师关心的话题。以《教育信息化理论与实践》课程的在线交流平台为个案，采用一个整合社会网络分析、内容分析和访谈等方法的分析框架，从回贴的角度分析影响在线交流的因素，探讨了不同学生在线交流的差异。研究发现，发贴者的核心度、发贴的质量以及[ 关系]是影响回贴的重要因素，通过改进这些因素可以促进在线课堂的交互。

How to encourage students to participate in online disscusion is one of the biggest concerns of teachers. Based on the case study of the course named the theory and practice of ICT in education， the essay adopts an analytical framework which integrates social network analysis， content analysis and interview to analyse the factors affecting online communication and discuss the difference in communication styles of various students. It is found out that the centrality of learners， the quality of post and the [ relationship] are the important elements influencing the numbers of respondent post. Thus with the improvement of these elements， comes the upgrade of online learning.