Bridging the Gap: In-Context Learning for Modeling Human Disagreement

Fuente: arXiv
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Main Authors: Muscato, Benedetta, Li, Yue, Gezici, Gizem, Zhao, Zhixue, Giannotti, Fosca
Format: Preprint
Published: 2025
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author Muscato, Benedetta
Li, Yue
Gezici, Gizem
Zhao, Zhixue
Giannotti, Fosca
author_facet Muscato, Benedetta
Li, Yue
Gezici, Gizem
Zhao, Zhixue
Giannotti, Fosca
contents Large Language Models (LLMs) have shown strong performance on NLP classification tasks. However, they typically rely on aggregated labels-often via majority voting-which can obscure the human disagreement inherent in subjective annotations. This study examines whether LLMs can capture multiple perspectives and reflect annotator disagreement in subjective tasks such as hate speech and offensive language detection. We use in-context learning (ICL) in zero-shot and few-shot settings, evaluating four open-source LLMs across three label modeling strategies: aggregated hard labels, and disaggregated hard and soft labels. In few-shot prompting, we assess demonstration selection methods based on textual similarity (BM25, PLM-based), annotation disagreement (entropy), a combined ranking, and example ordering strategies (random vs. curriculum-based). Results show that multi-perspective generation is viable in zero-shot settings, while few-shot setups often fail to capture the full spectrum of human judgments. Prompt design and demonstration selection notably affect performance, though example ordering has limited impact. These findings highlight the challenges of modeling subjectivity with LLMs and the importance of building more perspective-aware, socially intelligent models.
format Preprint
id arxiv_https___arxiv_org_abs_2506_06113
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Bridging the Gap: In-Context Learning for Modeling Human Disagreement
Muscato, Benedetta
Li, Yue
Gezici, Gizem
Zhao, Zhixue
Giannotti, Fosca
Computation and Language
Large Language Models (LLMs) have shown strong performance on NLP classification tasks. However, they typically rely on aggregated labels-often via majority voting-which can obscure the human disagreement inherent in subjective annotations. This study examines whether LLMs can capture multiple perspectives and reflect annotator disagreement in subjective tasks such as hate speech and offensive language detection. We use in-context learning (ICL) in zero-shot and few-shot settings, evaluating four open-source LLMs across three label modeling strategies: aggregated hard labels, and disaggregated hard and soft labels. In few-shot prompting, we assess demonstration selection methods based on textual similarity (BM25, PLM-based), annotation disagreement (entropy), a combined ranking, and example ordering strategies (random vs. curriculum-based). Results show that multi-perspective generation is viable in zero-shot settings, while few-shot setups often fail to capture the full spectrum of human judgments. Prompt design and demonstration selection notably affect performance, though example ordering has limited impact. These findings highlight the challenges of modeling subjectivity with LLMs and the importance of building more perspective-aware, socially intelligent models.
title Bridging the Gap: In-Context Learning for Modeling Human Disagreement
topic Computation and Language
url https://arxiv.org/abs/2506.06113