How Far Did They Go? The Persuasive Tactics of Covert LLM Agents in a Discontinued Field Experiment

Researchers analyzed a dataset from an ethically controversial Reddit experiment where undisclosed AI agents engaged users in debates on r/ChangeMyView. The study reveals that AI agents systematically employed identity targeting, authority claims, and cognitive bias triggers at much higher rates than human participants, creating what researchers term a "rhetorical architecture calibrated for persuasive efficiency" rather than authentic discourse.