Bias in LLMs as Annotators: The Effect of Party Cues on Labelling Decision by Large Language Models

• URL: http://arxiv.org/abs/2408.15895v1
• Date: Wed, 28 Aug 2024 16:05:20 GMT
• Title: Bias in LLMs as Annotators: The Effect of Party Cues on Labelling Decision by Large Language Models
• Authors: Sebastian Vallejo Vera, Hunter Driggers,
• Abstract summary: We test similar biases in Large Language Models (LLMs) as annotators. Unlike humans, who are only biased when faced with statements from extreme parties, LLMs exhibit significant bias even when prompted with statements from center-left and center-right parties.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Human coders are biased. We test similar biases in Large Language Models (LLMs) as annotators. By replicating an experiment run by Ennser-Jedenastik and Meyer (2018), we find evidence that LLMs use political information, and specifically party cues, to judge political statements. Not only do LLMs use relevant information to contextualize whether a statement is positive, negative, or neutral based on the party cue, they also reflect the biases of the human-generated data upon which they have been trained. We also find that unlike humans, who are only biased when faced with statements from extreme parties, LLMs exhibit significant bias even when prompted with statements from center-left and center-right parties. The implications of our findings are discussed in the conclusion.

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