@inproceedings{amidei-etal-2025-exploring,
title = "Exploring the Impact of Language Switching on Personality Traits in {LLM}s",
author = "Amidei, Jacopo and
Ferreira De S{\'a}, Jose Gregorio and
Luna, Rub{\'e}n Nieto and
Kaltenbrunner, Andreas",
editor = "Rambow, Owen and
Wanner, Leo and
Apidianaki, Marianna and
Al-Khalifa, Hend and
Eugenio, Barbara Di and
Schockaert, Steven",
booktitle = "Proceedings of the 31st International Conference on Computational Linguistics",
month = jan,
year = "2025",
address = "Abu Dhabi, UAE",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2025.coling-main.162/",
pages = "2370--2378",
abstract = "This paper investigates the extent to which LLMs align with humans when personality shifts are associated with language changes. Based on three experiments, that focus on GPT-4o and the Eysenck Personality Questionnaire-Revised (EPQR-A), our initial results reveal a weak yet significant variation in GPT-4o`s personality across languages, indicating that some stem from a language-switching effect rather than translation. Further analysis across five English-speaking countries shows that GPT-4o, leveraging stereotypes, reflects distinct country-specific personality traits."
}
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<abstract>This paper investigates the extent to which LLMs align with humans when personality shifts are associated with language changes. Based on three experiments, that focus on GPT-4o and the Eysenck Personality Questionnaire-Revised (EPQR-A), our initial results reveal a weak yet significant variation in GPT-4o‘s personality across languages, indicating that some stem from a language-switching effect rather than translation. Further analysis across five English-speaking countries shows that GPT-4o, leveraging stereotypes, reflects distinct country-specific personality traits.</abstract>
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%0 Conference Proceedings
%T Exploring the Impact of Language Switching on Personality Traits in LLMs
%A Amidei, Jacopo
%A Ferreira De Sá, Jose Gregorio
%A Luna, Rubén Nieto
%A Kaltenbrunner, Andreas
%Y Rambow, Owen
%Y Wanner, Leo
%Y Apidianaki, Marianna
%Y Al-Khalifa, Hend
%Y Eugenio, Barbara Di
%Y Schockaert, Steven
%S Proceedings of the 31st International Conference on Computational Linguistics
%D 2025
%8 January
%I Association for Computational Linguistics
%C Abu Dhabi, UAE
%F amidei-etal-2025-exploring
%X This paper investigates the extent to which LLMs align with humans when personality shifts are associated with language changes. Based on three experiments, that focus on GPT-4o and the Eysenck Personality Questionnaire-Revised (EPQR-A), our initial results reveal a weak yet significant variation in GPT-4o‘s personality across languages, indicating that some stem from a language-switching effect rather than translation. Further analysis across five English-speaking countries shows that GPT-4o, leveraging stereotypes, reflects distinct country-specific personality traits.
%U https://aclanthology.org/2025.coling-main.162/
%P 2370-2378
Markdown (Informal)
[Exploring the Impact of Language Switching on Personality Traits in LLMs](https://aclanthology.org/2025.coling-main.162/) (Amidei et al., COLING 2025)
ACL