’A Woman is More Culturally Knowledgeable than A Man?’: The Effect of Personas on Cultural Norm Interpretation in LLMs

Mahammed Kamruzzaman, Hieu Minh Nguyen, Nazmul Hassan, Gene Louis Kim


Abstract
As the deployment of large language models (LLMs) expands, there is an increasing demand for personalized LLMs. One method to personalize and guide the outputs of these models is by assigning a persona—a role that describes the expected behavior of the LLM (e.g., a man, a woman, an engineer). This study examines whether an LLM’s interpretation of social norms varies based on assigned personas and whether these variations stem from embedded biases within the models. In our research, we tested 34 distinct personas from 12 categories (e.g., age, gender, beauty) across four different LLMs. We find that LLMs’ cultural norm interpretation varies based on the persona used and that the variations within a persona category (e.g., a fat person and a thin person as in physical appearance group) follow a trend where an LLM with the more socially desirable persona (e.g., a thin person) interprets social norms more accurately than with the less socially desirable persona (e.g., a fat person). While persona-based conditioning can enhance model adaptability, it also risks reinforcing stereotypes rather than providing an unbiased representation of cultural norms. We also discuss how different types of social biases due to stereotypical assumptions of LLMs may contribute to the results that we observe.
Anthology ID:
2026.mme-main.15
Volume:
Proceedings of the First Workshop on Multilingual Multicultural Evaluation
Month:
March
Year:
2026
Address:
Rabat, Morocco
Editors:
Pinzhen Chen, Vilém Zouhar, Hanxu Hu, Simran Khanuja, Wenhao Zhu, Barry Haddow, Alexandra Birch, Alham Fikri Aji, Rico Sennrich, Sara Hooker
Venues:
MME | WS
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
220–237
Language:
URL:
https://aclanthology.org/2026.mme-main.15/
DOI:
Bibkey:
Cite (ACL):
Mahammed Kamruzzaman, Hieu Minh Nguyen, Nazmul Hassan, and Gene Louis Kim. 2026. ’A Woman is More Culturally Knowledgeable than A Man?’: The Effect of Personas on Cultural Norm Interpretation in LLMs. In Proceedings of the First Workshop on Multilingual Multicultural Evaluation, pages 220–237, Rabat, Morocco. Association for Computational Linguistics.
Cite (Informal):
’A Woman is More Culturally Knowledgeable than A Man?’: The Effect of Personas on Cultural Norm Interpretation in LLMs (Kamruzzaman et al., MME 2026)
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PDF:
https://aclanthology.org/2026.mme-main.15.pdf