The Chinese are changing,” we heard this said many times even before the last war. Numerous books, mainly popular in nature, have been written on this very theme. Most of us often fail to realize that it is largely an assumption. Unlike other assumptions about the Chinese it has, however, rarely been seriously questioned. To what extent have the Chinese changed? What are the most important factors responsible for their change? What are some of the directions of their change? These and other questions have been variously asked, but have usually been given answers so full of generality that few students of science found them useful.