“…Finally, and following precedent (e.g., Ecker, O'Reilly et al, 2020), a series of inference questions was given to participants as a more indirect measure of their claim belief. Measures of social assertiveness and need for authenticity were taken as covariates, as public belief expressions may be influenced by these traits (MacDonald & Nail, 2005;Santee & Maslach, 1982;Williams & Warchal, 1981;Wood, Linley, Maltby, Baliousis, & Joseph, 2008). It was hypothesized that both a pre-refutation descriptive norm and a refutation would reduce claim endorsement, and that the combination of the refutation with a post-refutation norm would be most effective.…”