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In the Eye of the Beholder: Quantifying Individuals' Preferences and Biases Using Peer Nominations

Whittier College

^* To whom correspondence should be addressed. E-mail: lcamparo{at}whittier.edu.

	Abstract

Peer nominations are used widely in psychological and sociological research to examine intergroup dynamics, even though this assessment tool suffers from thorny methodological problems: Gender, ethnic, age, and trait compositions vary across subsamples, subjects differ in the number of nominations they make, and the issue of sampling without replacement is often ignored. To overcome these problems, the authors have developed a differential index for the peer nominations procedure, with the number of individuals chosen above or below chance as the unit of measure. The index is specifically designed for use with individuals (as opposed to subgroups like classrooms), so that group means, confidence intervals, and standard deviations are readily determined, opening the door to research designs that go beyond null hypothesis testing. Here, we introduce the index and illustrate its unique capabilities in a study examining preference and bias reciprocity among fourth-grade students.

First published on August 17, 2009
Applied Psychological Measurement 2009, doi:10.1177/0146621609338594


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