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Social influence and political mobilization: Further evidence from a randomized experiment in the 2012 U.S. presidential election

Fig 3

Observed increase in the probability of voting caused by each additional close friend in the banner (top) and feed (bottom) treatments are shown in red.

A null distribution of possible outcomes when the network structure is fixed but the treatments are randomly permuted is shown in gray. The results suggest that the banner treatment was effective in spreading behavior to friends (a 0.1% increase in voting likelihood for each close friend treated), but the feed treatment was not. Stratified statistical analyses also replicate these results.

Fig 3