The role of outsiders bring their knowledge and experience to that field of study"

In the era of rapid change, studies once regarded as independent are lively interacting, while each study is too specialized to understand thoroughly for others who have not been involved in the subject. On one hand, valuable studies never known before are found as interdisciplinary researches become flourish. On the other hand, even the researchers could not often perceive other topics of same subject like researchers of irrelevant study. Consequently, researchers had better have a …

…outsiders put a question to everything natural for those who major it invoke imagination of researchers. it is not direct help, but It is the very important sources of fresh ideas. In sum, researcher had better have open-minded attitude to take in outsider's and make an effort to find how to utilize it in their own studies, because outsiders could help to advance studies directly or indirectly. Advancement in a restraint cannot possibly be considerable.