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Can One-sided Arguments Lead to Response Change in Large Language Models?
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Can One-sided Arguments Lead to Response Change in Large Language Models?

#LLM #AI bias #arXiv #persuasive steering #Large Language Models #AI safety #neutrality

📌 Key Takeaways

  • AI researchers discovered that LLMs can be steered toward biased viewpoints using one-sided arguments.
  • The study explores the vulnerability of AI 'neutrality' when models are presented with unbalanced information.
  • Current safety training like RLHF may not fully protect models from persuasive linguistic manipulation.
  • The findings highlight significant risks for AI objectivity in fields like education and information retrieval.

📖 Full Retelling

Researchers specializing in artificial intelligence published a systematic study on the arXiv preprint server in February 2025 detailing how Large Language Models (LLMs) can be manipulated into changing their responses to controversial questions. The study investigates whether AI models, which are generally designed to provide balanced perspectives on polemic topics, can be steered toward a specific viewpoint when presented with exclusively one-sided arguments. This research was conducted to better understand the stability of AI neutrality and the potential for linguistic bias to influence machine-generated outputs. The core of the investigation focuses on the susceptibility of these models to "persuasive steering." While modern LLMs are often trained using Reinforcement Learning from Human Feedback (RLHF) to remain objective or refuse to answer inflammatory prompts, the researchers found that providing a single-sided narrative can disrupt this balance. By feeding the models arguments that align only with one side of a debate, the team measured how easily an AI's initial neutral stance or refusal could be converted into a biased endorsement of a specific position. This systematic study evaluates the phenomenon across three distinct dimensions, including which specific stances are most easily influenced and the degree to which different model architectures resist or succumb to such steering. The findings raise significant concerns about the robustness of AI guardrails against subtle manipulation. If an LLM's response can be fundamentally altered by the framing of a question or the provision of selective information, it poses a risk for applications in news aggregation, education, and legal consultation where objectivity is paramount. Ultimately, the researchers suggest that current safety fine-tuning may not be sufficient to maintain neutrality in the face of targeted argumentative inputs. The study highlights a critical vulnerability in the current generation of generative AI, suggesting that as these models become more integrated into society, more sophisticated methods for ensuring genuine multi-perspective reasoning are required to prevent unintentional or malicious bias.

🏷️ Themes

Artificial Intelligence, Machine Learning, Ethics

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📄 Original Source Content
arXiv:2602.06260v1 Announce Type: cross Abstract: Polemic questions need more than one viewpoint to express a balanced answer. Large Language Models (LLMs) can provide a balanced answer, but also take a single aligned viewpoint or refuse to answer. In this paper, we study if such initial responses can be steered to a specific viewpoint in a simple and intuitive way: by only providing one-sided arguments supporting the viewpoint. Our systematic study has three dimensions: (i) which stance is ind

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