Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Ki-Sang Song, Xiangen Hu, Andrew Olney, Arthur C. Graesser. A framework of synthesizing tutoring conversation capability with web-based distance education courseware. Computers & Education, 42(4):375-388, 2004. [doi]
Abstract is missing.