抄録
The purpose of this study is to clear the mechanism on spreading of the styles and materials concerning newly built detached houses in Japan, especially the area and process of spreading of them. As a result, we cleared the fallowings, 1) By analysis of the relation between the adoptting rate and the standerd deviation of the styles and materials, the regional differences are small on both first stage and final stage of spreading, while they are large on middle stage. 2) There are 4 regional chracteristics concerning forming the area of spreading. First is the type formed on large cities as Tokyo and Osaka and their neighbor prefecture. Second is the type formed on northern region as Hokkaido and Tohoku. Third is the type formed on other regions too as Kansai and Kyusyu in addion to northern region. Forth is the type formed on traditional regions as Simane and Mie and their neighbor prefecture. 3) By analysis of spreading process of modern styles and materials, at first they are spreading on large cities as Tokyo and Osaka, soon their neighbor prefecture, and later other large cities as Sapporo, Sendai and Hukuoka. On final stage they are spreading across the whole prefecture in Japan.
