A growing proportion of citizens rely on social media to gather political information and to
engage in political discussions within their personal networks. Existing studies argue that …

In this article, we analyze the structure and content of the political conversations that took
place through the microblogging platform Twitter in the context of the 2011 Spanish …

This study investigates two competing opinions regarding the role of social media platforms
in partisan polarization. The “echo chambers” view focuses on the highly fragmented …

This article investigates political polarization in social media by undertaking social network
analysis of a sample of 5,918 tweets posted by 1,492 Twitter users during the 2011 …

Social media has played an important role in shaping political discourse over the last
decade. At the same time, it is often perceived to have increased political polarization …

Does the consumption of ideologically congruent news on social media exacerbate
polarization? I estimate the effects of social media news exposure by conducting a large …

Does exposure to social media polarize users or simply sort out like-minded voters based on
their preexisting beliefs? In this paper, we conduct three survey experiments to assess the …

A major point of debate in the study of the Internet and politics is the extent to which social
media platforms encourage citizens to inhabit online “bubbles” or “echo chambers,” exposed …

This article reviews the empirical evidence on the relationship between social media and
political polarization. We argue that social media shapes polarization through the following …

There is mounting concern that social media sites contribute to political polarization by
creating “echo chambers” that insulate people from opposing views about current events …