Iowa: 3.1%. According to our research of Iowa and other state lists there were 2 registered sex offenders living in Aurora, Iowa as of September 06, 2015. The ratio of number of residents in Aurora to the number of sex offenders is 86 to 1.
William G. Sumner, who coined the term ethnocentrism, is famously known as America's first sociology professor. He taught social sciences at the Yale University. It is wondrous, really, how this world is made up of so many different people belonging to different races or ethnicities.
Ethnocentrism can be seen as the backbone of stereotypes. Ideas such as the work ethic of a particular culture, or lack of morals in another culture, stem from the idea in ethnocentrism that one's own culture is above a foreign culture in many regards.