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Across four studies, we examined the how design decisions influenced the effectiveness of fact-checking articles created by CrossCheck France during the 2017 French election. We measured both memory for the article and belief in the false rumor. We saw no difference in fact check efficacy based on the type of headline (question vs negation) or the number of newsroom logos present around the article (one, four, or seven). In addition, informative design features such as an icon identifying the type of misinformation were ignored by readers. Participants failed to remember many of the details from the article, but retrieval practice was beneficial in reducing forgetting over a 1-week delay. In both US and French samples, reading the fact check decreased belief in the false information, even 1 week later. However, the articles were much more effective in the US sample, who lacked relevant prior knowledge and political beliefs. Overall, fact-checking articles can be effective at reducing belief in false information, but readers tend to forget the details and ignore peripheral information.