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Participants in the United Kingdom, the United States, and Hong Kong were shown five true and five false social media posts in random order. Two true posts and two false posts were randomly assigned \u201cTrue\u201d and \u201cFalse\u201d labels, respectively. Multilevel regression models indicated that accuracy nudges and veracity labels had no direct effects on the perceived accuracy of posts or willingness to share them, though the interaction of the \u201cFalse\u201d label and accuracy nudge significantly reduced the perceived accuracy of and intention to share false news across the samples. Post hoc analyses further uncovered contingent effects based on individual differences, including partisan identity in the United States and conspiratorial thinking in the United Kingdom and Hong Kong. The findings demonstrate the efficacy of combined countermeasures in attenuating the effects of misinformation.<\/jats:p>","DOI":"10.1093\/jcmc\/zmaf009","type":"journal-article","created":{"date-parts":[[2025,6,25]],"date-time":"2025-06-25T08:43:02Z","timestamp":1750840982000},"source":"Crossref","is-referenced-by-count":3,"title":["A cross-national examination of the effects of accuracy nudges and content veracity labels on belief in and sharing of misleading news"],"prefix":"10.1093","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9911-593X","authenticated-orcid":false,"given":"Michael","family":"Chan","sequence":"first","affiliation":[{"name":"School of Journalism and Communication, Chinese University of Hong Kong , SAR,","place":["Hong Kong China"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9119-2324","authenticated-orcid":false,"given":"Jingjing","family":"Yi","sequence":"additional","affiliation":[{"name":"College of Media and International Culture, Zhejiang University , Hangzhou,","place":["China"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0380-8921","authenticated-orcid":false,"given":"Cristian","family":"Vaccari","sequence":"additional","affiliation":[{"name":"School of Social and Political Science, University of Edinburgh , Edinburgh,","place":["Scotland"]}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1940-1800","authenticated-orcid":false,"given":"Masahiro","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Department of Communication, College of Arts and Sciences, SUNY Albany, Albany,","place":["United States"]}]}],"member":"286","published-online":{"date-parts":[[2025,6,24]]},"reference":[{"key":"2025062504425691200_zmaf009-B1","doi-asserted-by":"publisher","first-page":"1502","DOI":"10.1038\/s41562-023-01641-6","article-title":"Understanding and combating misinformation across 16 countries on six continents","volume":"7","author":"Arechar","year":"2023","journal-title":"Nat Hum Behav"},{"key":"2025062504425691200_zmaf009-B2","doi-asserted-by":"publisher","first-page":"eabl3844","DOI":"10.1126\/sciadv.abl3844","article-title":"News credibility labels have limited average effects on news diet quality and fail to reduce misperceptions","volume":"8","author":"Aslett","year":"2022","journal-title":"Sci Adv"},{"key":"2025062504425691200_zmaf009-B3","doi-asserted-by":"publisher","DOI":"10.1177\/14614448231193709","article-title":"Truth be told: How \u201ctrue\u201d and \u201cfalse\u201d labels influence user engagement with fact-checks","author":"Aruguete","year":"2023","journal-title":"New Media & Society"},{"key":"2025062504425691200_zmaf009-B4","doi-asserted-by":"publisher","DOI":"10.1037\/xge0000729","article-title":"Fake news, fast and slow: Deliberation reduces belief in false (but not true) news headlines","author":"Bago","year":"2020","journal-title":"J Exp Psychol Gen"},{"key":"2025062504425691200_zmaf009-B5","doi-asserted-by":"publisher","first-page":"11495","DOI":"10.1038\/s41598-024-62286-7","article-title":"Nudge-based misinformation interventions are effective in information environments with low misinformation prevalence","volume":"14","author":"Butler","year":"2024","journal-title":"Sci Rep"},{"key":"2025062504425691200_zmaf009-B6","doi-asserted-by":"publisher","first-page":"e0253717","DOI":"10.1371\/journal.pone.0253717","article-title":"Determinants of individuals\u2019 belief in fake news: A scoping review determinants of belief in fake news","volume":"16","author":"Bryanov","year":"2021","journal-title":"PloS one"},{"key":"2025062504425691200_zmaf009-B8","doi-asserted-by":"publisher","first-page":"1073","DOI":"10.1007\/s11109-019-09533-0","article-title":"Real solutions for fake news? 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