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Misinformation Spreading on Facebook

  • Fabiana Zollo
  • Walter Quattrociocchi
Chapter
Part of the Computational Social Sciences book series (CSS)

Abstract

Social media are pervaded by unsubstantiated or untruthful rumors, that contribute to the alarming phenomenon of misinformation. The widespread presence of a heterogeneous mass of information sources may affect the mechanisms behind the formation of public opinion. Such a scenario is a florid environment for digital wildfires when combined with functional illiteracy, information overload, and confirmation bias. In this essay, we focus on a collection of works aiming at providing quantitative evidence about the cognitive determinants behind misinformation and rumor spreading. We account for users’ behavior with respect to two distinct narratives: (a) conspiracy and (b) scientific information sources. In particular, we analyze Facebook data on a time span of 5 years in both the Italian and the US context, and measure users’ response to (1) information consistent with one’s narrative, (2) troll contents, and (3) dissenting information e.g., debunking attempts. Our findings suggest that users tend to (a) join polarized communities sharing a common narrative (echo chambers), (b) acquire information confirming their beliefs (confirmation bias) even if containing false claims, and (c) ignore dissenting information.

Notes

Acknowledgements

This work is based on co-authored material. We thank Aris Anagnostopoulos, Alessandro Bessi, Guido Caldarelli, Michela Del Vicario, Shlomo Havlin, Igor Mozetič, Petra Kralj Novak, Fabio Petroni, Antonio Scala, Louis Shekhtman, H. Eugene Stanley, and Brian Uzzi.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Ca’ Foscari University of VeniceVeniceItaly
  2. 2.IMT School for Advanced StudiesLuccaItaly

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