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Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: Parsing the Mechanisms Underlying Ingroup Facial Resemblance
Author(s): Bjornsdottir, R. Thora
Hehman, Eric
Agboh, Darren
Rule, Nicholas O.
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Keywords: homophily
group formation
face perception
Issue Date: May-2022
Date Deposited: 1-Aug-2023
Citation: Bjornsdottir RT, Hehman E, Agboh D & Rule NO (2022) Parsing the Mechanisms Underlying Ingroup Facial Resemblance. <i>Personality and Social Psychology Bulletin</i>, 48 (5), pp. 782-792.
Abstract: People prefer to form relationships with people like themselves—a tendency that extends even to facial appearance, resulting in groups whose members look alike. Here, we investigated the mechanisms underlying homophilic resemblance using facial photos of fraternity/sorority members from two time points: before joining the group and after belonging to the group for three years. Analyses of both subjective trait impressions and objective face-shape measurements revealed that not only did group members look alike, they resembled one another even before joining the group. Moreover, photos of potential fraternity recruits revealed that facial appearance predicted both the group that individuals sought to join and the group’s likelihood of accepting them. Individuals, therefore, seek to join groups consisting of people who look like them, and the groups preferentially accept new members who resemble those already in the group. This bidirectional preference for homophily likely perpetuates intragroup homogeneity, suggesting potential implications beyond appearance.
DOI Link: 10.1177/01461672211025206
Rights: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License ( which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (
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