A 61-million-person experiment in social influence and political mobilization

  title={A 61-million-person experiment in social influence and political mobilization},
  author={Robert M. Bond and Christopher J. Fariss and Jason Jeffrey Jones and Adam D. I. Kramer and Cameron A. Marlow and Jaime E. Settle and James H. Fowler},
Human behaviour is thought to spread through face-to-face social networks, but it is difficult to identify social influence effects in observational studies, and it is unknown whether online social networks operate in the same way–. Here we report results from a randomized controlled trial of political mobilization messages delivered to 61 million Facebook users during the 2010 US congressional elections. The results show that the messages directly influenced political self-expression… 
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