Significant theories of democratic accountability hinge on how political campaigns affect
Americans' candidate choices. We argue that the best estimate of the effects of campaign …

This article offers the first analysis of the role that technology companies, specifically
Facebook, Twitter, Microsoft, and Google, play in shaping the political communication of …

The rise of social media, and specifically Facebook, as a dominant force in the flow of news
in the United States has led to concern that people incur greater isolation from diverse …

The third edition of The Dynamics of Political Communication continues its comprehensive
coverage of communication and politics, focusing on problematic issues that bear on the …

Providing an in-depth analysis of public opinion, including its origins in political
socialization, its role in the electoral process, and the impact of the media, American Public …

Do bots have the capacity to influence the flow of political information over social media?
This working paper answers this question through two methodological avenues: A) a …

Little comparative evidence exists about what causes candidates to use negative
campaigning in elections. We introduce an original comparative data set that contains …

We provide a comprehensive assessment of the influence of television advertising on United
States election outcomes from 2000–2018. We expand on previous research by including …

In this monograph, we argue for the establishment of a developmental science of politics that
describes, explains, and predicts the formation and change of individuals' political …

This study examines the temporal dynamics of emotional appeals in Russian campaign
messages used in the 2016 election. Communications on two giant social media platforms …