Unveiling Selection Biases: Exploring Order and Token Sensitivity in Large Language Models

Fuente: arXiv
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Auteurs principaux: Wei, Sheng-Lun, Wu, Cheng-Kuang, Huang, Hen-Hsen, Chen, Hsin-Hsi
Format: Preprint
Publié: 2024
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author Wei, Sheng-Lun
Wu, Cheng-Kuang
Huang, Hen-Hsen
Chen, Hsin-Hsi
author_facet Wei, Sheng-Lun
Wu, Cheng-Kuang
Huang, Hen-Hsen
Chen, Hsin-Hsi
contents In this paper, we investigate the phenomena of "selection biases" in Large Language Models (LLMs), focusing on problems where models are tasked with choosing the optimal option from an ordered sequence. We delve into biases related to option order and token usage, which significantly impact LLMs' decision-making processes. We also quantify the impact of these biases through an extensive empirical analysis across multiple models and tasks. Furthermore, we propose mitigation strategies to enhance model performance. Our key contributions are threefold: 1) Precisely quantifying the influence of option order and token on LLMs, 2) Developing strategies to mitigate the impact of token and order sensitivity to enhance robustness, and 3) Offering a detailed analysis of sensitivity across models and tasks, which informs the creation of more stable and reliable LLM applications for selection problems.
format Preprint
id arxiv_https___arxiv_org_abs_2406_03009
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Unveiling Selection Biases: Exploring Order and Token Sensitivity in Large Language Models
Wei, Sheng-Lun
Wu, Cheng-Kuang
Huang, Hen-Hsen
Chen, Hsin-Hsi
Computation and Language
Artificial Intelligence
In this paper, we investigate the phenomena of "selection biases" in Large Language Models (LLMs), focusing on problems where models are tasked with choosing the optimal option from an ordered sequence. We delve into biases related to option order and token usage, which significantly impact LLMs' decision-making processes. We also quantify the impact of these biases through an extensive empirical analysis across multiple models and tasks. Furthermore, we propose mitigation strategies to enhance model performance. Our key contributions are threefold: 1) Precisely quantifying the influence of option order and token on LLMs, 2) Developing strategies to mitigate the impact of token and order sensitivity to enhance robustness, and 3) Offering a detailed analysis of sensitivity across models and tasks, which informs the creation of more stable and reliable LLM applications for selection problems.
title Unveiling Selection Biases: Exploring Order and Token Sensitivity in Large Language Models
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2406.03009