Who is better at math, Jenny or Jingzhen? Uncovering Stereotypes in Large Language Models

• URL: http://arxiv.org/abs/2407.06917v3
• Date: Wed, 9 Oct 2024 11:17:46 GMT
• Title: Who is better at math, Jenny or Jingzhen? Uncovering Stereotypes in Large Language Models
• Authors: Zara Siddique, Liam D. Turner, Luis Espinosa-Anke,
• Abstract summary: We use GlobalBias to study a broad set of stereotypes from around the world. We generate character profiles based on given names and evaluate the prevalence of stereotypes in model outputs.
• Score: 9.734705470760511
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Large language models (LLMs) have been shown to propagate and amplify harmful stereotypes, particularly those that disproportionately affect marginalised communities. To understand the effect of these stereotypes more comprehensively, we introduce GlobalBias, a dataset of 876k sentences incorporating 40 distinct gender-by-ethnicity groups alongside descriptors typically used in bias literature, which enables us to study a broad set of stereotypes from around the world. We use GlobalBias to directly probe a suite of LMs via perplexity, which we use as a proxy to determine how certain stereotypes are represented in the model's internal representations. Following this, we generate character profiles based on given names and evaluate the prevalence of stereotypes in model outputs. We find that the demographic groups associated with various stereotypes remain consistent across model likelihoods and model outputs. Furthermore, larger models consistently display higher levels of stereotypical outputs, even when explicitly instructed not to.

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