The purpose of this article is to analyse the relationship among various disciplines and also the relationship between disciplines and departments in japanese universities, using 3425 faculty random samples.
Research associations and departments which they belong to and the discipline which they major in are surveyed. Dual scaling method are used to analyse the correspondence between research associations and disciplines and between departments and research associations.
Academic research areas are divided along mainly four or five dimensions. Two dimensions are important: life sciences vs social sciences and humanities, and arts and humanities vs social science. And also additional two dimensions, engineering vs-social science and humanities, and law and medicine vs physical science are found.
Our results are more complicated than "Biglan Model" and does neither confirm nor reject it.
Several multi disciplinary research areas and departments are identified: for example, Japanese society of the electron microscopy, Agricultural chemical society of japan, department of physical education, department of education, department of liberal arts and so on.