May 11, 2018Debunking > prebunking. If you want someone to not believe that false or misleading headline they just read, when’s the best time to correct it? We hear a lot about inoculating people against fake news or “prebunking” it, but new research shows that the best time to fact-check a false headline — and have subjects remember the fact-check a week later — is after the subject has already read the headline. Presenting corrections after and during exposure to false headlines decreased belief one week later. While all three treatments increased belief in true headlines one w...