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To this end, a sample of 1887 messages posted to a Reddit discussion group was scrutinised by means of qualitative content analysis. The findings indicate that in the assessment of the author\u2019s credibility, the most important criteria are his or her reputation, expertise and honesty in argumentation. In the judgement of the credibility of the content of mis\/disinformation, objectivity of information and plausibility of arguments are highly important. The findings highlight that in the assessment of the credibility of mis\/disinformation, the author\u2019s qualities such as poor reputation, incompetency and dishonesty are particularly significant because they trigger expectancies about how the information content created by the author is judged.<\/jats:p>","DOI":"10.1177\/01655515211040653","type":"journal-article","created":{"date-parts":[[2021,8,19]],"date-time":"2021-08-19T03:03:38Z","timestamp":1629342218000},"page":"1096-1110","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":33,"title":["Assessing the credibility of COVID-19 vaccine mis\/disinformation in online discussion"],"prefix":"10.1177","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9609-3464","authenticated-orcid":false,"given":"Reijo","family":"Savolainen","sequence":"first","affiliation":[{"name":"Faculty of Information Technology and Communication Sciences, Tampere University, Finland"}]}],"member":"179","published-online":{"date-parts":[[2021,8,19]]},"reference":[{"key":"bibr1-01655515211040653","doi-asserted-by":"publisher","DOI":"10.1016\/j.tele.2016.09.009"},{"key":"bibr2-01655515211040653","doi-asserted-by":"publisher","DOI":"10.1002\/widm.1209"},{"key":"bibr3-01655515211040653","doi-asserted-by":"publisher","DOI":"10.1016\/j.ipm.2020.102345"},{"key":"bibr4-01655515211040653","doi-asserted-by":"publisher","DOI":"10.2105\/AJPH.2020.305906"},{"key":"bibr5-01655515211040653","doi-asserted-by":"publisher","DOI":"10.5860\/rusq.57.3.6603"},{"key":"bibr6-01655515211040653","unstructured":"Karlova NA, Fisher KE. 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