Political violence is triggered more by the confidence in a leader's voice than by their actual lies.
April 20, 2026
Original Paper
Misplaced Certainty in Elite Political Rhetoric Predicts Support for Political Violence
PsyArXiv · uftmz_v3
The Takeaway
Supporters of extremist movements respond to the tone of certainty rather than the facts presented. Elite politicians who speak with misplaced certainty can drive their audience to accept violence as a solution. It was previously assumed that the specific content of a conspiracy theory was the primary danger. This research shows that the delivery style is actually the more potent catalyst. When a leader asserts a falsehood as an absolute and unquestionable fact, it creates a sense of permission for followers to act. The danger of rhetoric lies in its perceived authority rather than its accuracy.
From the abstract
Democracies depend on shared standards of reality. We investigated whether misplaced certainty in political leaders’ rhetoric—the assertion of evidence- and consensus-defying claims as facts—heightens support for political violence. Across five preregistered studies combining historical analyses, large-scale social media data, and experiments, misplaced certainty in elite political rhetoric was associated with subsequent increases in violent political events, predicted greater diffusion and viol