Homogeneity and Prejudice

Publication Date

2026

Presentation Length

15 minutes

College

College of Liberal Arts & Social Sciences

Department

Political Science, Department of

Student Level

Undergraduate

Presentation Type

Talk/Oral

Summary

Homogenous populations have a strong identity saliency. This allows for such populations to have a clear perception of not only themselves, but the society in which they live. As immigration has become more polarizing, it is important to understand the effects of a population's diversity on a population's prejudice towards other groups, often referred to as “out groups”. This article explores if certain groups with higher homogeneity scores (scored using the ethnic fractionalization index) have higher levels of prejudice. Countries scoring higher on the ethnic fractionalization index have lower identity saliency and a more diverse population, leading me to hypothesize that countries with homogenous populations, and thus lower ethnic fractionalization index scores, will have higher scores of prejudice. Prejudice will be scored using indicators outlined in the National Equity Atlas and the Better Life Index. Building on work from previous prejudice scholars, notably Gordon Allport, this article evaluates heterogenous and homogenous populations correlation with prejudice to understand the significance of diversity on implicit and explicit forms of prejudice.

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