0000000000223555
AUTHOR
Dominique Heinbach
Supplementary_appendix – Supplemental material for Sleeper effect from below: Long-term effects of source credibility and user comments on the persuasiveness of news articles
Supplemental material, Supplementary_appendix for Sleeper effect from below: Long-term effects of source credibility and user comments on the persuasiveness of news articles by Dominique Heinbach and Marc Ziegele in New Media & Society
Sleeper effect from below: Long-term effects of source credibility and user comments on the persuasiveness of news articles
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’ 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’ 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 × 2-experiment, the persuasiveness of an article w…