“…Each post in a timeline consisted of one scientific claim, and one of five hyperlink conditions: the control condition (no hyperlink), a hyperlink to an open-access scientific journal article which the scientific claim was based on, a hidden hyperlink that redirected to the same scientific journal article (Google, n.d.), a hyperlink to a mainstream media site (Flaxman, Goel, & Rao, 2016;Silverman, 2016), and a hyperlink to a fake news site (Shao, Ciampaglia, Flammini, & Menczer, 2016). For more details about the choice of scientific claims and news sources, and our operationalization of fake news, please see Verma et al (2017).…”