Social impacts in social media: An examination of perceived truthfulness and sharing of information

Social media display the combined opinion of users as collective opinion.We reveal the extent to which the crowd adopts collective opinion on social media.Collective opinion affected crowd's truthfulness rating of health information.Collective opinion affected crowd's decision to share health information.Social impacts took place for information perceived as true, debatable, and false. Twitter, Facebook, and other social media display the combined opinion of users as collective opinion. The purpose of the work reported here was to examine how collective opinion might influence the perceived truthfulness and the sharing likelihood of health-related statements on social media. Experiment 1 revealed that, when evaluating the truthfulness of a statement, participants adopted the collective truthfulness rating associated with the statement. Similarly, Experiment 2 showed that the likelihood that participants would share a statement followed the collective sharing likelihood associated with the statement. These social impacts were extensive, taking place for statements perceived as true, debatable, and false. These results contribute new insights into how people perceive and share information on social media as well as how collective opinion might affect the quality of information on social media.

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