协作知识建构的社会网络分析

The Research on Cooperative Knowledge Construction in the Virtual Learning Community by Social Network Analysis

本文用社会网络分析方法，以K12教育论坛作为虚拟学习社区代表，分析各问题讨论式帖子间的内在交互联系，并用社群图揭示虚拟学习社区的知识建构过程，从密度、中心性、凝聚子群三大方面分析协作知识建构的特征，以探讨利用虚拟学习社区如何进行有效的协作知识建构。

This study used Social Network Analysis method to study knowledge construction processes in the Virtual Learning Community (VLC). The K12 Education Forum was used as a case to analyze relationships of user posts in the VLC. The researchers use sociogram to show the knowledge construction process， to analyze its density， centrality and subgroup cohesiveness in order to find a way for effective construction of knowledge.