“…Also relevant are studies that involve distributed online discussions as well as classroom talk in front of computers (Dillenbourg, 1999;Mercer, 1995), research on the collaborative construction and refinement of conceptual artefacts, and scripts for the collaborative construction of knowledge (Bereiter, 2002;Schrire, 2006;Weinberger, Ertl, Fischer, & Mandl, 2005), the learning of argumentation skills (Marttunen & Laurinen, 2001), and of communication skills more generally (McAteer, Tolmie, Crook, Macleod, & Musselbrook, 2002).…”