Papers › NormAd: A Framework for Measuring the Cultural Adaptability of Large Language Models
NormAd: A Framework for Measuring the Cultural Adaptability of Large Language Models
Abhinav Rao, Akhila Yerukola, Vishwa Shah, Katharina Reinecke, Maarten Sap
To be effectively and safely deployed to global user populations, large language models (LLMs) must adapt outputs to user values and culture, not just know about them. We introduce NormAd, an evaluation framework to assess LLMs' cultural adaptability, specifically measuring their ability to judge social acceptability across different levels of cultural norm specificity, from abstract values to explicit social norms. As an instantiation of our framework, we create NormAd-Eti, a benchmark of 2.6k situational descriptions representing social-etiquette related cultural norms from 75 countries. Through comprehensive experiments on NormAd-Eti, we find that LLMs struggle to accurately judge social acceptability across these varying degrees of cultural contexts and show stronger adaptability to English-centric cultures over those from the Global South. Even in the simplest setting where the relevant social norms are provided, our best models' performance (<82%) lags behind humans (>95%). In settings with abstract values and country information, model performance drops substantially (<60%), while human accuracy remains high (>90%). Furthermore, we find that models are better at recognizing socially acceptable versus unacceptable situations. Our findings showcase the current pitfalls in socio-cultural reasoning of LLMs which hinder their adaptability for global audiences.
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