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Jantina Tammes School of Digital Society, Technology and AIPart of University of Groningen
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Researcher: The Persuasion Engine

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Context:

You have developed a speech system that analyzes speech patterns to detect manipulation in real-time, with the goal of protecting people from scams and high-pressure sales tactics. Its core innovation is identifying the linguistic structures of persuasion. A political consulting firm, having learned of your technology, offers a lucrative, multi-year license to use it for a different purpose: to optimize the persuasiveness of campaign messages and speeches.

Dilemma:

A) Refuse the deal. 

B) Accept the offer, arguing the technology itself is neutral.

Story behind the dilemma:

A study investigated the persuasive power of large language models (LLMs) like GPT-4 in direct debates with humans. Researchers created an online platform where participants debated an opponent that was either another human or GPT-4, with or without access to the participant's basic personal information.

The results were striking. When GPT-4 had access to personal data, it was significantly more persuasive; participants were 81.7% more likely to increase their agreement with the AI's position compared to those debating a human. This demonstrates the powerful effect of AI-driven personalization. Even without personalization, GPT-4 still outperformed humans in shifting opinions, though this result was not statistically significant.

The study provides the first experimental evidence that LLMs can be highly effective in personalized, interactive persuasion, surpassing human capabilities. This raises substantial concerns about the potential for AI to be used to spread tailored disinformation and manipulate opinions on a large scale. The authors conclude that these findings have critical implications for the governance of social media and the design of online environments, underscoring the urgent need for safeguards against the misuse of personalized AI persuasion.

Resources:

Last modified:06 January 2026 5.25 p.m.
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