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Evaluation & Measuring Progress Research & Articles Social Science Research

The Political Power of Protest: Minority Activism and Shifts in Public Policy

Author: Daniel Q. Gillion. University of Pennsylvania

January 11, 2023

Gillion’s research examines whether a protest can make a real change – and the short answer is that it does. Looking at the effect of civil rights protests from the 1960’s–1990’s on Congress, he found that protest had a small but detectable effect on legislators. And he identified factors that increased the salience of a protest to politicians, including:  

  • Whether the protest lasts longer than a day
  • If there are more than 100 people involved 
  • If political organizations were attached to the protest 
  • If police were present 
  • If there were arrests, injuries, or reports of property damage
  • Whether a death occurred

On average, every time a politician becomes informed of 10 protest events happening in their district, they become 1 percent more likely to support a bill that favors a protester’s position.”