Does the internet facilitate selective exposure to politically congenial content? To answer
this question, I introduce and validate large‐N behavioral data on Americans' online media …

That climate change has been accelerated by human activity is supported by a near-
universal consensus of climate scientists. In this paper, we review many of the studies that …

What role do ideologically extreme media play in the polarization of society? Here we report
results from a randomized longitudinal field experiment embedded in a nationally …

Widespread misperceptions about COVID-19 and the novel coronavirus threaten to
exacerbate the severity of the pandemic. We conducted preregistered survey experiments in …

An influential body of scholarship argues that authoritarian regimes design “hard”
propaganda that is intentionally heavy-handed in order to signal regime power. In this study …

News recommender systems provide a technological architecture that helps sha** public
discourse. Following a normative approach to news recommender system design, we test …

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 …

Many blame partisan news media for polarization in America. This paper examines the
effects of liberal, conservative, and centrist news on affective and attitude polarization. To …

Social scientists are interested in the effects of low‐dimensional latent treatments within
texts, such as the effect of an attack on a candidate in a political advertisement. We provide a …

The media portray various social groups stereotypically, and studying the effects of these
portrayals on prejudice is paramount. Yet, audience selectivity—inherent within today's high …