The number of conversations between a gatekeeper and an end user in students with differing degrees of achievement was analyzed and the number of conversation incidents between gatekeeper and end user in students with the same degree of achievement was analyzed. In this research, we observed second level lower secondary school science class students who had made microphones and speakers. The following points were noted. 1. There were more conversations between gatekeepers and end users among students with different levels of achievement than students with the same level of achievement. 2. T...