[1] From this view point, GBUDU is a typical ranking book in Japan.
The GBUDU ranks Japanese universities in terms of the entrance difficulty and selectivity.
The author's main argument is that more selective universities have better quality, and generally guarantee students better future careers.
[2][3][4] The GBUDU rankings are made by the average scores of Hensachi estimated by Japanese major prep school Yoyogi seminar.
[5][6][7] He prepared the following 10 scales to measure universities' entrance difficulties.