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In:Argumentation in Political Deliberation
Edited by Marcin Lewiński and Dima Mohammed
[Benjamins Current Topics 76] 2015
► pp. 127–150

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(How) do participants in online discussion forums create ‘echo chambers’?

The inclusion and exclusion of dissenting voices in an online forum about climate change

 | Erasmus University, Rotterdam
Published online: 10 July 2015
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https://doi.org/10.1075/bct.76.06edw
This chapter examines the proposition advanced by Sunstein (2001) and other scholars that political online forums tend to be characterized by in-group homogeneity and group polarization. The chapter adopts a process view of online forums and examines discussions within a time perspective. Five discussion lines on Climategate.nl (a skeptical Dutch online forum on climate change) are investigated. The research focuses on how participants react to the participation of dissidents and on the resulting processes of inclusion and exclusion. Climategate.nl moved in the direction of an ‘echo chamber’ gradually over time. Nevertheless, the forum was never completely homogeneous. The editors played an active role in the inclusion and exclusion of dissidents. A counter-steering moderation policy is needed to keep group polarization and homogenization within certain limits.
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