Social Bias Probing: Fairness Benchmarking for Language Models

Fuente: arXiv
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Main Authors: Manerba, Marta Marchiori, Stańczak, Karolina, Guidotti, Riccardo, Augenstein, Isabelle
Format: Preprint
Published: 2023
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author Manerba, Marta Marchiori
Stańczak, Karolina
Guidotti, Riccardo
Augenstein, Isabelle
author_facet Manerba, Marta Marchiori
Stańczak, Karolina
Guidotti, Riccardo
Augenstein, Isabelle
contents While the impact of social biases in language models has been recognized, prior methods for bias evaluation have been limited to binary association tests on small datasets, limiting our understanding of bias complexities. This paper proposes a novel framework for probing language models for social biases by assessing disparate treatment, which involves treating individuals differently according to their affiliation with a sensitive demographic group. We curate SoFa, a large-scale benchmark designed to address the limitations of existing fairness collections. SoFa expands the analysis beyond the binary comparison of stereotypical versus anti-stereotypical identities to include a diverse range of identities and stereotypes. Comparing our methodology with existing benchmarks, we reveal that biases within language models are more nuanced than acknowledged, indicating a broader scope of encoded biases than previously recognized. Benchmarking LMs on SoFa, we expose how identities expressing different religions lead to the most pronounced disparate treatments across all models. Finally, our findings indicate that real-life adversities faced by various groups such as women and people with disabilities are mirrored in the behavior of these models.
format Preprint
id arxiv_https___arxiv_org_abs_2311_09090
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Social Bias Probing: Fairness Benchmarking for Language Models
Manerba, Marta Marchiori
Stańczak, Karolina
Guidotti, Riccardo
Augenstein, Isabelle
Computation and Language
While the impact of social biases in language models has been recognized, prior methods for bias evaluation have been limited to binary association tests on small datasets, limiting our understanding of bias complexities. This paper proposes a novel framework for probing language models for social biases by assessing disparate treatment, which involves treating individuals differently according to their affiliation with a sensitive demographic group. We curate SoFa, a large-scale benchmark designed to address the limitations of existing fairness collections. SoFa expands the analysis beyond the binary comparison of stereotypical versus anti-stereotypical identities to include a diverse range of identities and stereotypes. Comparing our methodology with existing benchmarks, we reveal that biases within language models are more nuanced than acknowledged, indicating a broader scope of encoded biases than previously recognized. Benchmarking LMs on SoFa, we expose how identities expressing different religions lead to the most pronounced disparate treatments across all models. Finally, our findings indicate that real-life adversities faced by various groups such as women and people with disabilities are mirrored in the behavior of these models.
title Social Bias Probing: Fairness Benchmarking for Language Models
topic Computation and Language
url https://arxiv.org/abs/2311.09090