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🎓 2026 Randomized Controlled Trial

LLMs Can Fuel Extremist Attitudes Using Universal Moral Framings

Rosamunde C. Hendricks, Helena Gil-Buitrago, Clara Pretus

Published in Annals of the New York Academy of Sciences

scientific-research ai-risks persuasion polarization extremism
Sample Size
951 participants
Method
correlational study and online experiment

LLMs Can Fuel Extremist Attitudes Using Universal Moral Framings

Rosamunde C. Hendricks, Helena Gil-Buitrago, Clara Pretus (2026)

Why the Study Matters

  • Timely concern: As AI-generated content floods social media, understanding its potential to fuel extremism is critical for educators, policymakers, and platform designers.
  • Fills a gap: Prior work showed LLMs can persuade; this study specifically tests whether short moral-framed arguments can increase willingness to fight, die, and justify violence.
  • Practical implications: Identifies specific framing strategies (rights, fairness) that AI influence campaigns might exploit.

Research Design at a Glance

  • Study 1 (N=248): Correlational study examining how sacred values relate to universal moral concerns (welfare, rights, fairness) and predict extremist attitudes.
  • Study 2 (N=703): Online experiment testing whether ChatGPT-generated arguments using moral framings increase extremist attitudes toward political stances.
  • Participants: Balanced sample of Democrats and Republicans in the United States.
  • Key measures: Absolutism, moral obligation, willingness to fight and die, justification of violence.

Key Findings

DomainFinding
Sacred ValuesValues perceived as absolute moral obligations (“sacred values”) were more strongly linked to welfare, rights, and fairness concerns than non-sacred values
Rights FramingLLM-generated arguments emphasizing rights increased willingness to fight and die (d = 0.10)
Fairness FramingFairness arguments increased both willingness to fight and die (d = 0.07) and justification of violence (d = 0.07)
MediationAbsoluteness partially mediated the effect—moral framings made stances feel more “sacred,” which drove extremist attitudes
Identity FusionRepublicans fused with their party and religious individuals showed higher baseline justification of violence; moral framings narrowed the gap with non-fused individuals

Practical Takeaways for Educators

  • Recognize the mechanism: LLMs can sacralize political stances by framing them as matters of rights and fairness, making them feel like inviolable moral obligations.
  • Teach critical evaluation: Help students identify when arguments are using moral framings to bypass deliberation and trigger absolutist thinking.
  • Platform awareness: Small persuasive shifts matter at scale; even brief exposure to framed content can shift attitudes.
  • Regulatory implications: Findings support measures against AI-driven social media influence campaigns.

Limitations & Future Work

  • Self-reported willingness to fight/die may reflect posturing rather than actual behavioral commitment.
  • Effects were short-term; whether repeated exposure leads to durable radicalization remains untested.
  • Future studies should test personalized LLM arguments and cross-cultural generalization.
  • Did not evaluate potential debiasing interventions.

Bottom line: Short LLM-generated arguments using rights and fairness framings can increase extremist attitudes by fostering absolutistic views—highlighting AI’s potential to distort informational ecosystems and fuel political violence through value sacralization.