Computer-Supported Collaborative Learning: An Introduction / Tim S. Roberts -- Online Group Projects: Preparing the Instructors to Prepare the Students / Valerie Taylor, De Anza College -- Time, Place and Identity in Project Work on the Net / Sisse Siggaard Jensen, Simon B. Heilesen -- The Collective Building of Knowledge in Collaborative Learning Environments / Alexandra Lilaváti Pereira Okada -- Collaboration or Cooperation? Analyzing Small Group Interactions in Educational Environments / Trena M. Paulus -- Mapping Perceived Socio-Emotive Quality of Small-Group / Functioning / Herman Buelens, Jan Van Mierlo, Jan Van den Bulck, Jan Elen, Eddy Van Avermaet, K.U.Leuven, -- A Constructivist Framework for Online Collaborative Learning: Adult Learning and Collaborative Learning Theory / Elizabeth Stacey -- The Real Challenge of Computer-Supported Collaborative Learning: How Do We Motivate ALL Stake Holders? / Celia T. Romm -- Use and Mis-use of Technology for Online, Asynchronous, Collaborative Learning / William R. Klemm -- The Personal and Professional Learning Portfolio: An Online Environment for Mentoring, Collaboration, and Publication / Lorraine Sherry, Bruce Havelock, David Gibson, -- Problems and Opportunities of Learning Together in a Virtual Learning Environment / Thanasis Daradoumis, Xhafa, Fatos -- Web-Based Learning by Tele-Collaborative Production in Engineering Education / Amiram Moshaiov -- A Relational Online Collaborative Learning Model / Antonio Santos Moreno -- Online, Offline, and In-Between: Analyzing Mediated-Action Among American and Russian Students in an Online Class / Aditya Johri.