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Does implied community size predict likeability of a similar stranger?
Jacques Launay1, Robin I M Dunbar1
1Department of Experimental Psychology, University of Oxford.
Homophily, or clustering with similar others, is influenced by perceived group size. Exclusive groups increase stranger likeability, while large groups diminish homophily, highlighting group exclusivity
Area of Science:
- Social Psychology
- Sociology
- Behavioral Economics
Background:
- Homophily, the tendency to associate with similar others, is traditionally linked to psychological factors and shared traits.
- Existing research often overlooks the role of perceived group membership in driving homophilous behavior.
Purpose of the Study:
- To investigate the correlation between homophily and perceived group membership among strangers.
- To determine if the degree of homophily is influenced by the perceived size of a group defined by a shared trait.
Main Methods:
- Conducted two experiments to assess homophily between strangers.
- Manipulated the perceived size of groups associated with shared traits.
- Measured stranger likeability ratings based on perceived group inclusivity.
Main Results:
- Smaller, more exclusive groups led to higher likeability ratings for strangers.
- Homophily decreased significantly when groups were perceived as overly inclusive or large.
- Group exclusivity, not just shared traits, appears crucial for fostering homophily.
Conclusions:
- Perceived group membership and its exclusivity significantly impact homophily.
- Group cohesion can be fostered across diverse backgrounds by leveraging trait-based group membership.
- Understanding group dynamics may offer strategies for bridging intergroup divides.
Related Concept Videos
Factors Influencing Attraction III: Similarity
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Factors Influencing Attraction I: Proximity
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Implicit Personality Theories

