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Sci Rep. 2014 Mar 11;4:4343. doi: 10.1038/srep04343.

The simple rules of social contagion.

Author information

1
USC Information Sciences Institute, Marina del Rey, CA 90292.

Abstract

It is commonly believed that information spreads between individuals like a pathogen, with each exposure by an informed friend potentially resulting in a naive individual becoming infected. However, empirical studies of social media suggest that individual response to repeated exposure to information is far more complex. As a proxy for intervention experiments, we compare user responses to multiple exposures on two different social media sites, Twitter and Digg. We show that the position of exposing messages on the user-interface strongly affects social contagion. Accounting for this visibility significantly simplifies the dynamics of social contagion. The likelihood an individual will spread information increases monotonically with exposure, while explicit feedback about how many friends have previously spread it increases the likelihood of a response. We provide a framework for unifying information visibility, divided attention, and explicit social feedback to predict the temporal dynamics of user behavior.

PMID:
24614301
PMCID:
PMC3949249
DOI:
10.1038/srep04343
[Indexed for MEDLINE]
Free PMC Article

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