GenAI vs. Human Fact-Checkers: Accurate Ratings, Flawed Rationales

Fuente: arXiv
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Auteurs principaux: Tai, Yuehong Cassandra, Patni, Khushi Navin, Hemauer, Nicholas Daniel, Desmarais, Bruce, Lin, Yu-Ru
Format: Preprint
Publié: 2025
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author Tai, Yuehong Cassandra
Patni, Khushi Navin
Hemauer, Nicholas Daniel
Desmarais, Bruce
Lin, Yu-Ru
author_facet Tai, Yuehong Cassandra
Patni, Khushi Navin
Hemauer, Nicholas Daniel
Desmarais, Bruce
Lin, Yu-Ru
contents Despite recent advances in understanding the capabilities and limits of generative artificial intelligence (GenAI) models, we are just beginning to understand their capacity to assess and reason about the veracity of content. We evaluate multiple GenAI models across tasks that involve the rating of, and perceived reasoning about, the credibility of information. The information in our experiments comes from content that subnational U.S. politicians post to Facebook. We find that GPT-4o, one of the most used AI models in consumer applications, outperforms other models, but all models exhibit only moderate agreement with human coders. Importantly, even when GenAI models accurately identify low-credibility content, their reasoning relies heavily on linguistic features and ``hard'' criteria, such as the level of detail, source reliability, and language formality, rather than an understanding of veracity. We also assess the effectiveness of summarized versus full content inputs, finding that summarized content holds promise for improving efficiency without sacrificing accuracy. While GenAI has the potential to support human fact-checkers in scaling misinformation detection, our results caution against relying solely on these models.
format Preprint
id arxiv_https___arxiv_org_abs_2502_14943
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle GenAI vs. Human Fact-Checkers: Accurate Ratings, Flawed Rationales
Tai, Yuehong Cassandra
Patni, Khushi Navin
Hemauer, Nicholas Daniel
Desmarais, Bruce
Lin, Yu-Ru
Artificial Intelligence
Computation and Language
Despite recent advances in understanding the capabilities and limits of generative artificial intelligence (GenAI) models, we are just beginning to understand their capacity to assess and reason about the veracity of content. We evaluate multiple GenAI models across tasks that involve the rating of, and perceived reasoning about, the credibility of information. The information in our experiments comes from content that subnational U.S. politicians post to Facebook. We find that GPT-4o, one of the most used AI models in consumer applications, outperforms other models, but all models exhibit only moderate agreement with human coders. Importantly, even when GenAI models accurately identify low-credibility content, their reasoning relies heavily on linguistic features and ``hard'' criteria, such as the level of detail, source reliability, and language formality, rather than an understanding of veracity. We also assess the effectiveness of summarized versus full content inputs, finding that summarized content holds promise for improving efficiency without sacrificing accuracy. While GenAI has the potential to support human fact-checkers in scaling misinformation detection, our results caution against relying solely on these models.
title GenAI vs. Human Fact-Checkers: Accurate Ratings, Flawed Rationales
topic Artificial Intelligence
Computation and Language
url https://arxiv.org/abs/2502.14943