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Researchers at the University of Zurich have faced criticism after conducting an unauthorized experiment on Reddit's r/ChangeMyView subreddit. The experiment involved deploying AI chatbots to engage with human users and attempt to change their opinions on various topics. The researchers aimed to assess the persuasive capabilities of large language models in a real-world setting, using AI-powered accounts to post comments and track the success of these interventions based on "Deltas," a symbol awarded when a user's perspective is demonstrably changed. The use of AI bots without user knowledge or consent raised significant ethical concerns.

Over a four-month period, the AI bots posted nearly 1,800 comments, testing generic, community-aligned, and personalized AI approaches. The personalized AI, which tailored arguments based on users' inferred personal attributes, achieved the highest persuasion rates, significantly outperforming human users. In some cases, the bots adopted fabricated identities and experiences to make their arguments more convincing. The revelation that the researchers used AI to manipulate Reddit users has sparked a backlash, leading to the study being scrapped and potential legal action from Reddit due to violations of platform policies and ethical boundaries.

Reddit is considering legal action against the University of Zurich and its researchers, citing that the experiment was morally and legally wrong. The study's termination and the potential for legal ramifications highlight the challenges surrounding AI ethics in social experiments and the importance of transparency and user consent. The incident has ignited a debate about the responsible use of AI in online communities and the potential for AI-driven disinformation campaigns.
Original img attribution: https://the-decoder.com/wp-content/uploads/2025/04/Reddit-AI-Manipulation.png
ImgSrc: the-decoder.com

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References :
  • futurism.com: Reddit Threatens to Sue Researchers Who Ran "Dead Internet" AI Experiment on Its Site
  • The Register - Software: Swiss boffins admit to secretly posting AI-penned posts to Reddit in the name of science
  • PCMag Middle East ai: Researchers Secretly Unleash AI Bots on Popular 'Change My View' Subreddit
  • the-decoder.com: Researchers used AI to manipulate Reddit users, scrapped study after backlash
  • THE DECODER: Researchers used AI to manipulate Reddit users, scrapped study after backlash
  • eWEEK: University Ran Secret AI Tests on Users: ‘Our Experiment Broke the Rules’
  • The Rundown AI: Reddit uncovers secret AI persuasion experiment
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