“…Even more, collaboration allows each person to contribute for the learning of his/her group as a whole (D. W. Johnson & R. T. Johnson, 2009). When one student comments, disagrees, requests clarification or elaborates a concept, he or she takes on responsibility for his own learning and that of others (Laal & Ghodsi, 2012), especially with the use of media such as typewith.me, skype, google Docs, and Wikis which essentially act as a window on the mind of others. More importantly, when students share an intellectual task, what is hidden is made explicit and often discussed and clarified.…”