“…Online interaction does not evolve towards higher levels of discussion without proper grounding, monitoring, modeling, coaching, or contributing on the part of the instructor, particularly at the onset of instruction (Brandon & Hollingshead, 1999;Hiltz, Dufner, Holmes, & Poole, 1991). It is also important to create a "joint problem space" (Teasley & Roschelle, 1993) and establishing jointly agreed upon goals (Chan, Burtis, & Bereiter, 1997).…”