{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,1]],"date-time":"2026-03-01T11:04:18Z","timestamp":1772363058585,"version":"3.50.1"},"reference-count":33,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2018,7,11]],"date-time":"2018-07-11T00:00:00Z","timestamp":1531267200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["New Media &amp; Society"],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:p> User comments on news websites are a controversial element of online communication. Various studies have reported the negative effects of comments criticizing the related news articles on readers\u2019 attitudes toward the issues described in these articles. However, these findings are mostly based on measurements directly after the reception of comments. No research has investigated the long-term effects of comments on readers\u2019 article-related attitudes and compared them with the effects of cues emanating from the articles themselves. Therefore, this study transferred the sleeper effect in persuasion to news sites with comment sections. In a 2\u2009\u00d7\u20092-experiment, the persuasiveness of an article was measured immediately after reception and after a delay of 2\u2009weeks. Low\/high source credibility and negative\/positive user comments served as discounting\/acceptance cues. Results suggest that user comments caused a relative sleeper effect of the article-induced persuasion; they affected the article\u2019s persuasiveness in the short term, but not in the long term. <\/jats:p>","DOI":"10.1177\/1461444818784472","type":"journal-article","created":{"date-parts":[[2018,7,11]],"date-time":"2018-07-11T10:51:45Z","timestamp":1531306305000},"page":"4765-4786","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":38,"title":["Sleeper effect from below: Long-term effects of source credibility and user comments on the persuasiveness of news articles"],"prefix":"10.1177","volume":"20","author":[{"given":"Dominique","family":"Heinbach","sequence":"first","affiliation":[]},{"given":"Marc","family":"Ziegele","sequence":"additional","affiliation":[{"name":"Heinrich Heine University D\u00fcsseldorf, Germany"}]},{"given":"Oliver","family":"Quiring","sequence":"additional","affiliation":[{"name":"Johannes Gutenberg University of Mainz, Germany"}]}],"member":"179","published-online":{"date-parts":[[2018,7,11]]},"reference":[{"key":"bibr1-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1111\/jcc4.12009"},{"key":"bibr2-1461444818784472","first-page":"147","volume":"25","author":"Bless H","year":"1994","journal-title":"Zeitschrift f\u00fcr Sozialpsychologie"},{"key":"bibr3-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1111\/jcom.12104"},{"key":"bibr4-1461444818784472","volume-title":"The discounting cue hypothesis and the sleeper effect","author":"Cook TD","year":"1971"},{"key":"bibr5-1461444818784472","unstructured":"Foos AE (2015) Reawakening the sleeper effect in consumer research: the role of implicit self-anchoring and explicit self-referencing on the persuasive impact of countervailing information over time. PhD Thesis, University of Manchester, Manchester. Available at: https:\/\/www.escholar.manchester.ac.uk\/api\/datastream?publicationPid=uk-ac-man-scw:263610&datastreamId=FULL-TEXT.PDF"},{"key":"bibr6-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1080\/00913367.2015.1085820"},{"key":"bibr7-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1037\/h0035744"},{"key":"bibr8-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1037\/0033-295X.93.2.216"},{"key":"bibr9-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1037\/0022-3514.36.10.1061"},{"key":"bibr10-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1086\/266350"},{"key":"bibr11-1461444818784472","volume-title":"Communication and Persuasion: Psychological Studies If Opinion Change","author":"Hovland CI","year":"1953"},{"key":"bibr12-1461444818784472","volume-title":"Experiments on Mass Communication. Studies in Social Psychology in World War II","volume":"3","author":"Hovland CI","year":"1949"},{"key":"bibr13-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1111\/hcre.12059"},{"key":"bibr14-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1177\/0093650206298071"},{"key":"bibr15-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1207\/S15327965PL100201"},{"key":"bibr16-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1037\/0033-2909.130.1.143"},{"key":"bibr17-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1177\/0093650210376189"},{"key":"bibr18-1461444818784472","volume-title":"Public Opinion","author":"Lippmann W","year":"1922"},{"key":"bibr19-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1080\/03637759909376464"},{"key":"bibr20-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1037\/h0049330"},{"key":"bibr21-1461444818784472","doi-asserted-by":"crossref","unstructured":"Newman N, Fletcher R, Levy DAL, et al. (2016) Reuters institute digital news report 2016. Available at: https:\/\/reutersinstitute.politics.ox.ac.uk","DOI":"10.2139\/ssrn.2619576"},{"key":"bibr22-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4612-4964-1"},{"key":"bibr23-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1037\/0022-3514.54.2.203"},{"key":"bibr24-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1207\/s1532785xmep0101_3"},{"key":"bibr25-1461444818784472","doi-asserted-by":"publisher","DOI":"10.5771\/2192-4007-2016-4-454"},{"key":"bibr26-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1080\/1461670X.2016.1161497"},{"key":"bibr27-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1177\/1940161211415849"},{"key":"bibr28-1461444818784472","doi-asserted-by":"publisher","DOI":"10.1111\/jcc4.12104"},{"key":"bibr29-1461444818784472","unstructured":"Stroud NJ, Van Duyn E, Peacock C (2016) News commenters and news comment readers. 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