Appiah asserts that the differences in biological, psychological and moral characteristics between different groups in America are caused by external factors such as the environment and the society. Moreover, Appiah also rely on some researches that shows the relation between race and IQ or other biological characteristics. However it turns that the reliability of the data cannot assess the fact difference or correlation is not only race. And, since there are too many biological characteristics that can be used as the standard of identifying people’s races, but there is no particular standard to be applied into all the ways of defining races. Therefore we shall say that no “biological races” exist in current world because the “vague criteria theory” does not work because too many classifying meet its
Appiah asserts that the differences in biological, psychological and moral characteristics between different groups in America are caused by external factors such as the environment and the society. Moreover, Appiah also rely on some researches that shows the relation between race and IQ or other biological characteristics. However it turns that the reliability of the data cannot assess the fact difference or correlation is not only race. And, since there are too many biological characteristics that can be used as the standard of identifying people’s races, but there is no particular standard to be applied into all the ways of defining races. Therefore we shall say that no “biological races” exist in current world because the “vague criteria theory” does not work because too many classifying meet its