As one of the most popular course management system (CMS) in the world,Moodle is widely used in the distance education owing to its functions of brilliant interaction,resource sharing and personalized support.It is well-known that the effectiveness of online teaching interaction plays an important role in the quality of distance education.Taking a Moodle-based online teaching platform of a university as an example,this study analyzes the time of students' interaction in course forum through excel statistics,and the interactive level of teacher-student and student-student in the social presence,cognitive presence and teaching presence by exploring the community model and the encoding system.It also examines the density of participants' network by using Ucinet.%Moodle作为目前世界上最流行的课程管理系统 (CMS)之一,因其卓越的交互、共享、个性支持等功能,在远程教学中得到广泛应用.众所周知,网络教学交互的有效性在很大程度上影响着远程教学的质量.本研究选取了基于Moodle平台的某高校网络教学平台课程作为个案,通过Excel统计,分析课程论坛中学生交互的时间,借助探究社区模型及编码体系,运用内容分析法分析课程论坛中社会性存在、认知性存在和教学性存在三方面网上师生、生生的交互水平,运用Ucinet软件分析该课程论坛参与者组成关系网的网络密度.
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