While there are a lot of factors situations and an problem situations play a key role in this success is stimulator content and knowledge organizer, contextualizer for learning environment, thinking and reasoning the method element of leaning motivation(Hung, 2006). In studies on PBL, the emphasis is usually on the effect of on various leaming products and information about the process of problem design is quite limit This fact shows that the current literature is incapable of presenting a problem design model which may be a guide for educators. In this direction, problem design model developed by Hung(2006) is a systematic conceptual model which may guide PBL designers for all the disciplines. 3C3R problem based learning design model supports students acquisition of cognitive skills such as reasoning and problem-solving while students leam the concepts related to the lesson in the process of analyzing the problem which is presented as a context Cung 2006)