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.
Vanessa Paz Dennen. Looking for evidence of learning: Assessment and analysis methods for online discourse. Computers in Human Behavior, 24(2):205-219, 2008. [doi]
Abstract is missing.