Echo Chambers and Filter Bubbles

The final presenter in this IAMCR 2023 session is Junjun Yu, whose focus is on information cocoons on Sina Weibo. Such cocoons are theorised as close-off spaces where information circulates in an ideologically and informationally homogeneous environment, potentially facilitated by the algorithms and affordances of social media platforms.

Such information cocoons could be identified based on the homogeneity of their selection, their content, or their participants; the present study focusses on the content, in the context of Sina Weibo. It examines the degree of content homogeneity for each user; the posts by a user on the platform; the top information …

The next speaker in this session at IAMCR 2023 is Svetlana Bodrunova, whose interest is in dynamic polarisation in online discussions. She notes that polarisation has often be confused with the idea of echo chambers, but that our methods have generally overlooked the dynamics of polarisation. A better approach to understanding the idea is to use the concept of cumulative deliberation, which recognises that opinions form online through the gradual accumulation of posts and engagement.

Time and dynamics are dimensions with their own logics here, and lead to a divergence of discourses within online talk. What emerges here (and Svetlana …

If it’s Thursday, this must be Stavanger, and the Norwegian Media Researcher Conference. I’m here on the invitation of the excellent organisers Helle Sjøvaag and Raul Ferrer-Conill to present the opening keynote, which broadly outlines the agenda of my Australian Laureate Fellowship and aims to move us beyond seeking easy explanations for the apparent rise in polarisation merely in technological changes (“it’s social media’s fault”; “we’re all in echo chambers and filter bubbles”), and to instead explore research approaches that enable us to understand why hyperpartisans are so willing to engage with and share deeply polarised views that even …