Different Bias Under Different Criteria: Assessing Bias in LLMs with a Fact-Based Approach
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866909405429104640 |
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| author | Ko, Changgeon Shin, Jisu Song, Hoyun Seo, Jeongyeon Park, Jong C. |
| author_facet | Ko, Changgeon Shin, Jisu Song, Hoyun Seo, Jeongyeon Park, Jong C. |
| contents | Large language models (LLMs) often reflect real-world biases, leading to efforts to mitigate these effects and make the models unbiased. Achieving this goal requires defining clear criteria for an unbiased state, with any deviation from these criteria considered biased. Some studies define an unbiased state as equal treatment across diverse demographic groups, aiming for balanced outputs from LLMs. However, differing perspectives on equality and the importance of pluralism make it challenging to establish a universal standard. Alternatively, other approaches propose using fact-based criteria for more consistent and objective evaluations, though these methods have not yet been fully applied to LLM bias assessments. Thus, there is a need for a metric with objective criteria that offers a distinct perspective from equality-based approaches. Motivated by this need, we introduce a novel metric to assess bias using fact-based criteria and real-world statistics. In this paper, we conducted a human survey demonstrating that humans tend to perceive LLM outputs more positively when they align closely with real-world demographic distributions. Evaluating various LLMs with our proposed metric reveals that model bias varies depending on the criteria used, highlighting the need for multi-perspective assessment. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2411_17338 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Different Bias Under Different Criteria: Assessing Bias in LLMs with a Fact-Based Approach Ko, Changgeon Shin, Jisu Song, Hoyun Seo, Jeongyeon Park, Jong C. Computation and Language Artificial Intelligence Computers and Society Large language models (LLMs) often reflect real-world biases, leading to efforts to mitigate these effects and make the models unbiased. Achieving this goal requires defining clear criteria for an unbiased state, with any deviation from these criteria considered biased. Some studies define an unbiased state as equal treatment across diverse demographic groups, aiming for balanced outputs from LLMs. However, differing perspectives on equality and the importance of pluralism make it challenging to establish a universal standard. Alternatively, other approaches propose using fact-based criteria for more consistent and objective evaluations, though these methods have not yet been fully applied to LLM bias assessments. Thus, there is a need for a metric with objective criteria that offers a distinct perspective from equality-based approaches. Motivated by this need, we introduce a novel metric to assess bias using fact-based criteria and real-world statistics. In this paper, we conducted a human survey demonstrating that humans tend to perceive LLM outputs more positively when they align closely with real-world demographic distributions. Evaluating various LLMs with our proposed metric reveals that model bias varies depending on the criteria used, highlighting the need for multi-perspective assessment. |
| title | Different Bias Under Different Criteria: Assessing Bias in LLMs with a Fact-Based Approach |
| topic | Computation and Language Artificial Intelligence Computers and Society |
| url | https://arxiv.org/abs/2411.17338 |