Alex Coppock is an assistant professor of Political Science at Yale University. His research considers what affects people's political beliefs, especially the kinds of messages people regularly encounter--TV ads, lawn signs, Op-Eds, etc. In this episode, he shares the findings of a big, new study that just came out as well as what it means for how persuasion works. Things that came up in this episode:A new study testing dozens the efficacy of dozens of political ads (Coppock, Hill, & Vavreck, 2020)The long-lasting effects of newspaper op-eds on public opinion (Coppock, Ekins, & Kirby, 2018)The effects of lawn signs on vote outcomes (Green, Krasno, Coppock, Farrer, Lenoir, & Zingher, 2016)Framing effects in persuasion (for an overview, see Chong & Druckman, 2007)The sleeper effect (see here for an overview)For a transcript of this episode, visit: http://opinionsciencepodcast.com/episode/political-persuasion-with-alex-coppock/Learn more about Opinion Science at http://opinionsciencepodcast.com/ and follow @OpinionSciPod on Twitter.