... consideration was that the students taking part in this study came from different areas in Vietnam. They were mainly from villages in the countryside; even one third of them came from mountainous provinces ... students assumed that this approach stimulated their creativeness and helped them reach the goal equally. Such findings were congruent with Johnson’s (1994) claim that within cooperative situations, ... learning is believed to promote thinking and creativity in many ways” (Johnson, 1994; Webb, 1989), many of the students agreed that cooperatived help develop critical thinking. In summary, almost...