Group#1 (classroom) 0.764
Group#2 (classroom) 0.806
Group#2 (classroom + Facebook) 0.879
Interventions
In Table 2, the first column corresponds to the list of topics discussed in the course. The column “Starter”, indicates whether the discussion was initiated by the professor (P) or by the student (S). In Group#1 the interventions were always in the classroom while in Group#2 there were interventions on Facebook and also in