We demonstrate that exposure to the news media causes Americans to take public stands
on specific issues, join national policy conversations, and express themselves publicly—all …

Is the media biased against conservatives? Although a dominant majority of journalists
identify as liberals/Democrats and many Americans and public officials frequently decry …

We studied the effects of exposure to reshared content on Facebook during the 2020 US
election by assigning a random set of consenting, US-based users to feeds that did not …

Does Facebook enable ideological segregation in political news consumption? We
analyzed exposure to news during the US 2020 election using aggregated data for 208 …

We investigated the effects of Facebook's and Instagram's feed algorithms during the 2020
US election. We assigned a sample of consenting users to reverse-chronologically-ordered …

Research on the agenda-setting role of the news media has often been guided by a rather
narrow conception of how media content affects members of the public. In particular …

The spread of fake news on social media became a public concern in the United States after
the 2016 presidential election. We examined exposure to and sharing of fake news by …

Exposure to news, opinion, and civic information increasingly occurs through social media.
How do these online networks influence exposure to perspectives that cut across ideological …

Social media has arguably shifted political agenda-setting power away from mainstream
media onto politicians. Current US President Trump's reliance on Twitter is unprecedented …

We use an experiment with a nationally representative sample of the US population to
examine how political partisans consume and process media reports about nanotechnology …