Abstract What makes someone belong to an ethnic group? This article examines how individuals organize and prioritize ethnic attributes frequently used to denote membership and asks when simplified measurement strategies provide a reasonable approximation of ethnic identity in practice. Using original survey data from two online experiments fielded in 2024, I analyze respondents’ evaluations of eight common identity attributes among White, Black, and Latino Americans. Drawing on principal components analysis, multidimensional preference scaling, and circular-linear regression, I show that while some identities are well approximated by a single dominant dimension, others exhibit weaker alignment and greater heterogeneity in how attributes are prioritized. These differences have direct implications for measurement: reliance on any single attribute can meaningfully capture some identities while systematically misrepresenting others. More broadly, the findings underscore the need for group-sensitive measurement strategies when studying ethnic identity and its political and social consequences.
Caleb H. Schmotter (Thu,) studied this question.
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