In news media, echo chamber is a metaphorical description of a situation in which beliefs are amplified or reinforced by communication and repetition inside a closed system. By visiting an "echo chamber", people are able to seek out information which reinforces their existing views, potentially as an unconscious exercise of confirmation bias. This may increase political and social polarisation and extremism. The term is a metaphor based on the acoustic echo chamber, where sounds reverberate in a hollow enclosure.
|Document:Interfering with Laura Kuenssberg||blog post||25 November 2019||Craig Murray||It's no coincidence that it is precisely the old and the poorly educated that are the targets of Dominic Cummings’ "Brexit election” strategy. If it comes off, Laura Kuenssberg and her fellow hacks will have proven that the power of the mainstream media is as yet unbroken.|
- Barberá, Pablo, et al. "Tweeting from left to right: Is online political communication more than an echo chamber?" Psychological science 26.10 (2015): 1531-1542.
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