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.
A common idiom for ethnocentrism is tunnel vision. In this context, ethnocentrism is the view that a particular ethnic groups system of beliefs and values is morally superior to all others. Cultural relativism is the view that individual beliefs and values systems are culturally relative.