“…Structuring can be achieved through communication acts (Baker, 2003), sentence openers (Baker & Lund, 1997;Hirsch, Saeedi, Cornillon, & Litosseliti, 2004), posting notes and making comments (Fischer, Bruhn, Grasel, & Mandl, 2002;Scardamalia & Bereiter, 1996), or representing multiple opinions that scaffold students to express their own opinions and integrate the opinions of others (Hoadley & Linn, 2000).…”