Working memory constraints in the integration and comprehension of information in a multimedia context / Hubert Tardieu and Valโerie Gyselinck -- People @ play : electronic games / Jeffrey Goldstein -- Integration of specialist tasks in the digital image archive / Ed S. Tan and Heimo M่uller -- The levels of web-based discussions : using perspective-taking theory as an analytical tool / Sanna J่arvel่a and P่aivi H่akkinen -- The World Wide Web as a social infrastructure for knowledge-oriented work / Kirstin Severinson Eklundh ... [et al.] -- Social considerations in online communities : usability, sociability, and success factors / Jonathan Lazar and Jennifer Preece -- Educational technology and multimedia from a cognitive perspective : knowledge from inside the computer, onto the screen, and into our heads? / Erica de Vries -- Analyzing communication in team tasks / Simone Stroomer and Herre van Oostendorp -- Being there or being where? Videoconferencing and cooperative learning / Frank Fischer and Heinz Mandl -- Interaction and performance in computer-supported collaborative tasks / Gijsbert Erkens, Jerry Andriessen, and Nanno Peters -- Science inquiry in a digital world : possibilities for making thinking visible / Susan R. Goldman ... [et al.]