Yuankun Yao. Comparing the Impact of Two Different Designs for Online Discussion. In Frederick W. B. Li, Jianmin Zhao, Timothy K. Shih, Rynson W. H. Lau, Qing Li, Dennis McLeod, editors, Advances in Web Based Learning - ICWL 2008, 7th International Conference, Jinhua, China, August 20-22, 2008. Proceedings. Volume 5145 of Lecture Notes in Computer Science, pages 366-376, Springer, 2008. [doi]