The DOI matches its Crossref record; 23 of the 28 references it cites were found in a registry or an index; 10 of the 49 sources its claims cite were checked for support.
Filter bubble
Open accessAbstract
Concepts such as ‘filter bubble’ enjoy considerable popularity in scholarly as well as mainstream debates, but are rarely defined with any rigour. This has led to highly contradictory research findings. This article provides a critical review of the ‘filter bubble’ idea, and concludes that its persistence has served only to distract scholarly attention from far more critical areas of enquiry.
Overview
AI snapshot
Written from the paper’s full text.
TL;DR
This critical review argues that the “filter bubble” concept, introduced by Eli Pariser in 2011, lacks robust empirical support and has been used interchangeably with “echo chambers” despite vague definitions. It concludes that persistent public belief in filter bubbles has created a discursive reality that misdirects scholarly and regulatory attention from more fundamental social and political causes of polarisation.
Key findings
- Empirical evidence for search filter bubbles is weak: Nechushtai and Lewis found Google News searchers in the US were directed overwhelmingly to “longstanding national newspapers and television networks”; Haim et al. found “only minor effects of personalization on content diversity” in Germany; and Krafft et al. explicitly “deny the algorithmically based development and solidification of isolating filter bubbles.”
- Social media users often encounter diverse views: a Pew survey before the 2016 US election reported that only “23% of Facebook users and 17% of Twitter users say [that] most of the people in their networks hold political beliefs similar to theirs,” while more than one quarter had “blocked or unfriended” contacts over unwanted political content.
- Incidental exposure on social media is associated with more diverse news diets: research using Digital News Report data found that “those who are incidentally exposed to news on social media use more different sources of online news than non-users.”
- Homophily exists but does not generally produce closed bubbles: a 2017 German Facebook network analysis found only the extreme-right AfD followers diverged significantly, concluding “apparently closed filter bubbles do not exist in large parts of the political spectrum in Germany”; Australian and Norwegian Twitter maps showed interest-driven clusters but few significant disconnects across the overall network.
Methods
- Design: critical review and conceptual critique of the “filter bubble” and related “echo chamber” concepts, drawing on prior empirical studies, theoretical literature, and public discourse.
- Data or sample: no new empirical data; the article synthesises existing studies from search-engine personalisation, social media network analysis, survey research, and media/communication scholarship.
- Main analysis: proposes minimal definitions—echo chamber as preferential connection with like-minded others, filter bubble as preferential communication with like-minded others—and reviews evidence across network science, social science, media and communication studies, and social/political relevance.
Limitations
- The paper states that Pariser and Sunstein never clearly defined “filter bubble” or “echo chamber,” and that empirical studies have generally introduced their own definitions, reducing comparability.
- It acknowledges that large-scale, longitudinal, survey-based observations may be valid at an aggregate level but “show considerable variation for individual communities and individuals,” and that further research should confirm search results across more national contexts and a broader range of search engines and news portals.
- Evident from the text: this is a critical review rather than a systematic review or new empirical study, so its conclusions rely on selected prior literature and examples, with no original data collection or formal meta-analysis.
Model-written summary. Check it against the paper before relying on it.
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Verification
Claims the paper makes
39 Own interpretation · 12 Sources not found · 7 Not checked yet · 6 Partly supported · 6 No full text of the sources · 3 No basis given · 2 Supported · accuracy not yet measured
The cited sources support only part of this claim — read each source’s verdict below.
In the paper
“search and social media users generally appear to encounter a highly centrist media diet that is, if anything, more diverse than that of non-users.”
§ Filter bubble > Abstract
What the sources say
- Partly supportedcites Fletcher & Nielsen, 2018 sourceExperimental — accuracy not yet measured
The Results (page unavailable) find that people incidentally exposed to news on social media used more online news sources than social-media non-users; the Discussion says this likely increases diversity. The paper does not establish that users’ media diets are highly centrist, and it does not make the claimed comparison for search users. (LLM, conf=0.88)
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Partly supported
The cited sources support only part of this claim — read each source’s verdict below.
In the paper
“many of the hyperpartisans with the strongest adherence to extremist views -from anti-vaccination and anti-climate science activists to the right-wing extremists supporting Donald Trump or the AfD -are also highly engaged with the mainstream media, at least in order to monitor what their enemies are thinking”
§ Filter bubble > MEDIA AND COMMUNICATION STUDIES
What the sources say
- Partly supportedcites Gentzkow & Shapiro 2011, p. 1823 sourceExperimental — accuracy not yet measured
Split into 2 atoms — 0 confirmed, 2 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Partly supported
Every source the paper cites for this claim was checked and supports it.
In the paper
“readers of extremist white supremacy sites are significantly more likely to visit the New York Times or similar quality news outlets than ordinary news users, for example (Gentzkow & Shapiro 2011, p. 1823)”
§ Filter bubble > MEDIA AND COMMUNICATION STUDIES
What the sources say
- Supportedcites Gentzkow & Shapiro 2011, p. 1823 source
Section 5.2 (cited as p. 1823) reports that visitors to stormfront.org, described as a pro-White activist discussion board, were twice as likely as Yahoo! News visitors to visit nytimes.com in the same month. This supports the comparison with ordinary news users; the specific outlet measured in this example is nytimes.com. (LLM, conf=0.91)
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Supported
The cited sources support only part of this claim — read each source’s verdict below.
In the paper
“online and social media users consume a particularly diverse news diet (Fletcher & Nielsen, 2018;Anspach, 2017)”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
What the sources say
- Partly supportedcites Fletcher & Nielsen, 2018 sourceExperimental — accuracy not yet measured
The Abstract reports that social media users who may encounter news incidentally use significantly more online news sources than non-users. The Discussion says this likely increases diversity, but the finding concerns that specific group, not online and social media users generally, and diversity is inferred from the number of sources. (LLM, conf=0.87)
- Not checked — no full text of the sourcecites Anspach, 2017 source
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Partly supported
The cited sources support only part of this claim — read each source’s verdict below.
In the paper
“while politically hyperpartisan hashtags or conspiracy theory pages may attract a fairly homogenous community of participants, these particular online spaces do not exist in isolation, but are embedded into a much more complex and varied social media platform, which in turn forms only one component of a rich and diverse media ecology (cf.Dubois & Blank, 2018).”
§ Filter bubble > NETWORK SCIENCE
What the sources say
- Partly supportedcites Dubois & Blank, 2018 sourceExperimental — accuracy not yet measured
The Introduction and ‘Measuring echo chambers in a high-choice environment’ say that even a polarized social-media platform is only one part of a larger, diverse media environment. They do not establish that hyperpartisan hashtags or conspiracy-theory pages sit within a varied platform, so the within-platform part of the claim is not supported by this paper. (LLM, conf=0.82)
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Partly supported
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“This article provides a critical review of the 'filter bubble' idea, and concludes that its persistence has served only to redirect scholarly attention from far more critical areas of enquiry.”
§ Filter bubble > Abstract
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: unclear — It is unclear whether it could be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Rests on an assumption: The persistent use of the filter bubble and echo chamber concepts in mainstream media and political debates has created a discursive reality that materially impacts societal institutions, media, platforms, and users.
None of the sources cited for this claim have been checked yet.
In the paper
“in spite of Pariser's founding anecdote there is a severe lack of convincing evidence for the existence of significant filter bubbles in search results.”
§ Filter bubble > (INTER-)DISCIPLINARY PERSPECTIVES ON FILTER BUBBLES
What the sources say
- Not matchedcites Nechushtai and Lewis, 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Not checked — no full text of the sourcecites Haim et al., 2018 source
- Not matchedcites Krafft et al., 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Not matched
None of the sources cited for this claim have been checked yet.
In the paper
“Yet, there is scant empirical evidence for their existence, or for the related concept of 'echo chambers':”
§ Filter bubble > Abstract
What the sources say
- Not matchedcites Nechushtai and Lewis, 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Not checked — no full text of the sourcecites Haim et al., 2018 source
- Not matchedcites Krafft et al., 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Not matched
None of the sources cited for this claim have been checked yet.
In the paper
“In 2018 alone, three major studies showed substantial overlaps in the search results seen by users of different political and other interests:”
§ Filter bubble > (INTER-)DISCIPLINARY PERSPECTIVES ON FILTER BUBBLES
What the sources say
- Not matchedcites Nechushtai and Lewis, 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Not checked — no full text of the sourcecites Haim et al., 2018 source
- Not matchedcites Krafft et al., 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“empirical studies exploring the existence and impact of filter bubbles (and echo chambers) in any context have generally been forced to introduce their own definitions, which reduces their comparability”
§ Filter bubble > (INTER-)DISCIPLINARY PERSPECTIVES ON FILTER BUBBLES
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
- Probably not a substantial claim. 24
- It may state two separate claims as one. 19
Every source the paper cites for this claim was checked and supports it.
In the paper
“Notably, there are a great many contexts where such homophily can be understood as beneficial:”
§ Filter bubble > NETWORK SCIENCE
What the sources say
- Supportedcites Helberger, 2019 source
The Concluding Remarks say that selective exposure may benefit media and citizens depending on the values and conditions at stake. The sections on participatory and liberal recommenders give distinct examples: like-minded filtering may help marginalised voices organise, while focused recommendations may deepen expertise. These passages support the claim in the paper’s context of news recommendations. (LLM, conf=0.87)
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Supported
The cited sources support only part of this claim — read each source’s verdict below.
In the paper
“For Twitter, comprehensive maps of follower connections in the Australian (Bruns et al., 2017) and Norwegian Twitterspheres (Bruns & Enli, 2018) have similarly shown the existence of interest-driven clusters of dense interconnection around topics from politics to sports, but point to few significant disconnects across the overall network.”
§ Filter bubble > NETWORK SCIENCE
What the sources say
- Partly supportedcites Bruns et al., 2017 sourceExperimental — accuracy not yet measured
The Analysis and Network Structure sections describe densely connected, predominantly thematic clusters in the Australian follower network, including politics and sports. The paper also describes some clusters as comparatively isolated, but does not establish that there are few significant disconnects across the overall network; its principal map focuses on 255,000 best-connected accounts. The Norwegian findings belong to the separately cited source and are not assessed here. (LLM, conf=0.82)
- Supportedcites Bruns & Enli, 2018 source
For the Norwegian Twittersphere, the Conclusion and outlook identifies clusters based largely on thematic interests and says that, despite densely connected regions, accounts follow a diverse range of others. The Network structure section describes clusters around politics and sports and says the network is fairly well connected throughout. The separate Australian citation is not being assessed here. (LLM, conf=0.93)
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Partly supported
The cited sources support only part of this claim — read each source’s verdict below.
In the paper
“While the empirical evidence does not support the existence of echo chambers and filter bubbles as actual, observable phenomena in public communication”
- Also stated in: § SOCIAL AND POLITICAL RELEVANCE AND IMPACT · boosted
“there is a pronounced absence of evidence that genuine filter bubbles or echo chambers are real, outside of highly specific and unusual contexts”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
What the sources say
- Not matchedcites Bruns, 2019
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Partly supportedcites Dubois & Blank, 2018 sourceExperimental — accuracy not yet measured
The Discussion (page unavailable) reports little evidence of echo chambers across the full media environment, but identifies a small group for whom an echo chamber is more likely. The Background (page unavailable) says the study focuses on people’s information choices rather than algorithmic filtering, so it does not support the claim about filter bubbles or the categorical claim that neither phenomenon is observable. (LLM, conf=0.90)
- Partly supportedcites Zuiderveen Borgesius et al., 2016 sourceExperimental — accuracy not yet measured
The 6. CONCLUSION says there is no empirical evidence warranting strong worries about filter bubbles, and the section on prevalence of self-selected personalisation says that, if echo chambers exist, their walls are porous. That supports skepticism about their prevalence or effects, but not the stronger claim that empirical evidence does not support their existence as observable phenomena in public communication. The paper does not confine their existence to highly specific or unusual contexts. (LLM, conf=0.87)
boosted- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Also stated in: § SOCIAL AND POLITICAL RELEVANCE AND IMPACT · boosted
In the paper
“Pariser largely fails to provide a clear definition for the 'filter bubble' concept; it remains vague and founded in anecdotes.”
§ Filter bubble > INTRODUCTION
What the sources say
- Not matchedcites Pariser, 2011a
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper may give no reason why it holds. It may state two separate claims as one.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“This terminological confusion -about the exact definitions of either term in itself, and about their interrelationship with each other -has significantly hindered our ability to test them through rigorous research.”
§ Filter bubble > INTRODUCTION
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim.
None of the sources cited for this claim could be matched to a paper in Crossref, so there is nothing to check it against.
In the paper
“However, in such recent discussions the term 'filter bubble' is no longer primarily applied to search results, as it was in Pariser's original conceptualisation; today, filter bubbles are more frequently envisaged as disruptions to information flows in online and especially social media.”
§ Filter bubble > INTRODUCTION
What the sources say
- Not matchedcites Pariser, 2015
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Not matchedcites Newman et al., 2016
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. It may state two separate claims as one.
- Not matched
None of the sources cited for this claim have been checked yet.
In the paper
“at least for search, it seems that the filter bubble idea has deflated: far from the vision (or threat) of an individually unique Daily Me, personalisation in general and newsspecific search results still appears to be exceptionally limited.”
§ Filter bubble > (INTER-)DISCIPLINARY PERSPECTIVES ON FILTER BUBBLES
What the sources say
- Not matchedcites Nechushtai and Lewis, 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Not checked — no full text of the sourcecites Haim et al., 2018 source
- Not matchedcites Krafft et al., 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Not matched
In the paper
“the originator of the 'echo chamber' concept, the legal scholar Cass Sunstein, never clearly defines the latter term either.”
§ Filter bubble > INTRODUCTION
What the sources say
- Not matchedcites Sunstein, 2001
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
boosted- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
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Probably not a substantial claim.
- Not matched
In the paper
“This definitional blur at the heart of the concept did not prevent it from gaining considerable currency in scientific as well as mainstream societal discourse, however:”
§ Filter bubble > INTRODUCTION
What the sources say
- Not matchedcites Obama, 2017
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
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Probably not a substantial claim. The paper’s conclusions may not depend on it.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“In other words, the localised homophily that is likely to exist in specific contexts and spaces does not fundamentally undermine the general heterogeneity of the hybrid media ecology, and cannot usually prevent its participants from encountering -willingly or unwillingly -a broad range of information and perspectives.”
§ Filter bubble > MEDIA AND COMMUNICATION STUDIES
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“As a result, network science studies that look beyond such inherently ideological communities find significantly less homophily and polarisation in non-political contexts, and also detect considerable crossconnection between the groups that populate those ideological spaces.”
§ Filter bubble > NETWORK SCIENCE
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“For social media, on the other hand, the debate about filter bubbles and echo chambers continues, with various studies both supporting and denying their existence.”
§ Filter bubble > (INTER-)DISCIPLINARY PERSPECTIVES ON FILTER BUBBLES
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Notably, especially in comparison with earlier concerns about the fragmentation of national mediaspheres as a result of the multiplication of cable channels or online information sources, or about social stratification due to diverging media literacies amongst different parts of the population, the echo chamber and filter bubble concepts clearly centre on the individual media user and their tre”
§ Filter bubble > CONCLUSION
boosted- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“such large-scale, longitudinal, survey-based observations may be valid at an aggregate level, but show considerable variation for individual communities and individuals:”
§ Filter bubble > SOCIAL SCIENCE
hedged- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: unclear — It is unclear why the paper says it holds.
It may state two separate claims as one.
In the paper
“"The myth of the filter bubble", above all, "is one thing: a big misunderstanding" (Meineck, 2018, n.p.;my translation)”
§ Filter bubble > CONCLUSION
What the sources say
- Not matchedcites Meineck, 2018
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
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Probably not a substantial claim.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Mainstream media have operationalised it to suggest that only their orderly and professional gatekeeping procedures, and not the collective and self-organising gatewatching processes on social media, have the ability to sufficiently inform citizens, for example”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
None of the sources cited for this claim could be matched to a paper in Crossref, so there is nothing to check it against.
In the paper
“as O'Hara and Stevens describe it, "a networked individual would have to enter the echo chamber and somehow lose his or her diverse connections, replacing them with more and stronger connections within the echo chamber"”
§ Filter bubble > MEDIA AND COMMUNICATION STUDIES
What the sources say
- Not matchedcites O'Hara and Stevens
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
- Not matchedcites [2015]
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
hedgeddirect- Asserted: passes — The authors put it forward as true.
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Probably not a substantial claim.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Further, such moral panics often also serve as part of the rear-guard defence of the old elites that stand to lose the most from any change to the status quo”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“This means that, contrary to concerns about the fragmentation of society as a result of filter bubbles, for many users social media have positively increased the diversity of their information diet, and prevent them from becoming locked into ideological monocultures.”
§ Filter bubble > SOCIAL SCIENCE
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“Concepts like 'echo chamber' and 'filter bubble' -which, notably, were introduced not by scholars in media, communication, internet, or related fields of study, but by authors working well outside their area of expertise (Pariser is an activist and tech entrepreneur, Sunstein is a legal scholar)”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“For societies where ideological boundaries align with clear economic, ethnic, or religious divisions, and where bipolar two-party systems prevent the emergence of centrist consensus alternatives to the polarised status quo, this challenge is especially acute.”
§ Filter bubble > CONCLUSION
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“the claim that audiences and voters diverging from these well-trodden paths do so because they are caught in technologically created filter bubbles and can no longer be reached by reasoned, sensible argument also has the considerable added benefit that the journalists and politicians making that claim are never required to confront their own failings”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“establishment politicians have used it to assert that only their welldesigned party structures, and not the populist and/or grassroots models of their opponents, can provide strong and stable leadership for their countries”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“otherwise, the network structures of both Twitterspheres facilitate a largely unencumbered flow of information across the entire user base and would therefore be unable to support the existence of filter bubbles.”
§ Filter bubble > NETWORK SCIENCE
hedgeddirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
In the paper
“If there is a filter at all, then, it is not the algorithmic filter postulated by the 'filter bubble' concept, which prevents us altogether from seeing 'different' content that runs counter to our own worldviews -rather, the more critical filter exists (more weakly formed perhaps in the societal mainstream, more strongly developed on the extreme fringes) in our heads, and variously leads us to ad”
§ Filter bubble > CONCLUSION
What the sources say
- Not matchedcites Hall, 1980
Couldn’t be matched to a paper in Crossref, so it can’t be checked.
hedgeddirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
- Not matched
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“the relative prevalence of the filter bubble idea in different countries' political debates may also indicate the depth of broader concerns about their political and democratic processes”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
hedgedcorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
In the paper
“since dial-in bulletin board systems and the early Usenet first became popular, it has been this very opportunity to connect with like-minded others that has attracted users to computer-mediated communication platforms (e.g., Baym, 2000).”
§ Filter bubble > NETWORK SCIENCE
What the sources say
- Not checked — no full text of the sourcecites Baym, 2000 source
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“In order to result in a notable divergence in the information diets experienced by members and nonmembers of an echo chamber or filter bubble, they would actively have to both seek out engagement with like-minded others (in other words, pursue selective exposure), and stay away from those who might introduce them to alternative views (that is, practice selective avoidance).”
§ Filter bubble > NETWORK SCIENCE
hedgeddirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“These moral panics point to the persistence of a simplistic and naïve understanding of media effects both amongst the general public and amongst media and political actors.”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Fact checks may still be valuable to prevent mainstream users from drifting off to the fringes -but for those already on the fringe they only serve to deepen their disconnect from rational public debate.”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
hedgeddirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“such transformations are not fuelled simply by surface factors such as the communication technologies and platforms preferred by these new political actors and their established opponents, respectively -rather, they are an expression of far more fundamental social, economic, societal, and political challenges”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“While such earlier concerns tackled aggregate, population-wide trends, therefore, these new phenomena are driven by individualised personalisation processes (and possible user interventions in such personalisation).”
§ Filter bubble > CONCLUSION
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“while not neutral, the technologies and their providers are neither inherently good nor evil in this, but can be employed by their users to serve socially and societally beneficial as well as disruptive ends”
§ Filter bubble > CONCLUSION
plain- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: passes — The paper gives a reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“have served to obscure considerably more pressing societal problems, and to misdirect scholarly, journalistic, and regulatory attention to the technological rather than social and societal factors underpinning these problems”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: unclear — It is unclear whether it could be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: unclear — It is unclear why the paper says it holds.
It may state two separate claims as one.
The paper states this without a source or data behind it here, so there is nothing to check it against. The quote shows it is in the paper.
In the paper
“such network science approaches mainly tend to look for evidence of homophily: a preference for interconnections between participants with similar interests, views, and ideologies.”
§ Filter bubble > NETWORK SCIENCE
plaincorrelational- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: fails — The paper’s conclusions may not depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper’s conclusions may not depend on it. The paper may give no reason why it holds.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“Phenomena such as homophily (as well as heterophily) can be readily observed in contemporary communicative spaces, as can the algorithmic shaping and personalisation of newsfeeds and information streams (as well users' efforts to control such shaping).”
§ Filter bubble > CONCLUSION
plain- Asserted: passes — The authors put it forward as true.
- Checkable: passes — It can be checked against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. The paper may give no reason why it holds. It may state two separate claims as one.
A conclusion the paper draws from its own results — it cites no other source for it, so there is none to check. The quote shows it is in the paper.
In the paper
“That this message is still not getting through to the general public shows the seductive nature of moral panic narratives, but must also count as a failing for media and communication research.”
§ Filter bubble > SOCIAL AND POLITICAL RELEVANCE AND IMPACT
plaindirect- Asserted: passes — The authors put it forward as true.
- Checkable: fails — It may be too vague to check against evidence.
- Load-bearing: passes — The paper’s conclusions depend on it.
- Based: fails — The paper may give no reason why it holds.
Probably not a substantial claim. It may be too vague to check against evidence. The paper may give no reason why it holds. It may state two separate claims as one.
The paper relies on this without support.
The persistent use of the filter bubble and echo chamber concepts in mainstream media and political debates has created a discursive reality that materially impacts societal institutions, media, platforms, and users.
“However, the persistent use of these concepts in mainstream media and political debates has now created its own discursive reality that continues to impact materially on societal institutions, media and communication platforms, and ordinary users themselves.”
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
Each contradiction between two passages listed here was confirmed by an independent check.
Rated minor: it would not touch a result — a value no result rests on, a p-value that stays on the same side of the significance level, or a conflict that is clerical, resolved elsewhere in the paper, or outside its own findings.
In the paper
§ Filter bubble > (INTER-)DISCIPLINARY PERSPECTIVES ON FILTER BUBBLES
“In 2018 alone, three major studies showed substantial overlaps in the search results seen by users of different political and other interests: Nechushtai and Lewis reported that Google News searchers in the US were directed overwhelmingly to "longstanding national newspapers and television networks" (2018, p. 302)”
§ Filter bubble > References
“20. Nechushtai, E., & Lewis, S. C. (2019). What Kind of News Gatekeepers Do We Want Machines to Be? Filter Bubbles, Fragmentation, and the Normative Dimensions of Algorithmic Recommendations.”
Citations
Cites
I tweet honestly, I tweet passionately: Twitter users, context collapse, and the imagined audience
Marwick, A. E., & boyd, D. (2011) · New Media & Society · doi:10.1177/1461444810365313 · Cited by 4,612
(2011) · Cited by 4,430
Reuters Institute Digital News Report 2015
Newman, N., Levy, D. A. L., & Nielsen, R. K. (2015) · SSRN Electronic Journal · doi:10.2139/ssrn.2619576 · Cited by 1,890
Negroponte, N., & Asher, M. (1995) · doi:10.1016/0099-1333(95)90102-7 · Cited by 1,866
The echo chamber is overstated: the moderating effect of political interest and diverse media
Dubois, E., & Blank, G. (2018) · Information, Communication & Society · doi:10.1080/1369118x.2018.1428656 · Cited by 1,055 · cited 3×
“…to develop more systematic and empirically verifiable definitions for either term (e.g., O’Hara & Stevens, 2015; Zuiderveen Borgesius et al ., 2016; Dubois & Blank, 2018), and to re-evaluate extant studies against such definitions (e.g., Bruns, 2019), but there is a need for considerably more…”
BackgroundInfluentialIdeological Segregation Online and Offline *
Gentzkow, M., & Shapiro, J. M. (2011) · The Quarterly Journal of Economics · doi:10.1093/qje/qjr044 · Cited by 980 · cited 1×
“…with the mainstream media, at least in order to monitor what their enemies are thinking: readers of extremist white supremacy sites are significantly more likely to visit the New York Times or similar quality news outlets than ordinary news users, for example (Gentzkow & Shapiro 2011, p. 1823).”
BackgroundTune in, Log on: Soaps, Fandom, and Online Community
Baym, N. (2000) · doi:10.4135/9781452204710 · Cited by 863
Are people incidentally exposed to news on social media? A comparative analysis
Fletcher, R., & Nielsen, R. K. (2018) · New Media & Society · doi:10.1177/1461444817724170 · Cited by 738 · cited 2×
“…are unlikely to drive filter bubble tendencies: indeed, research using the survey data gathered for the Digital News Report has shown that “those who are incidentally exposed to news on social media use more different sources of online news than non-users” (Fletcher & Nielsen, 2018, p. 2459).”
BackgroundShould we worry about filter bubbles?
Zuiderveen Borgesius, F. J., Trilling, D., Möller, J., Bodó, B., de Vreese, C. H., & Helberger, N. (2016) · Internet Policy Review · doi:10.14763/2016.1.401 · Cited by 541
Fake news and ideological polarization: Filter bubbles and selective exposure on social media
Spohr, D. (2017) · Business Information Review · doi:10.1177/0266382117722446 · Cited by 530
Research works printed but not linked: 4
- Hall, S. (1980). Encoding/Decoding. In S. Hall, D. Hobson, A. Lowe, & P. Willis (Eds.), Culture, Media, Language: Working Papers in Cultural Studies, 1972-79 (pp. 128-139). London: Unwin
- Pariser, E. (2015, May 7). Did Facebook's Big Study Kill My Filter Bubble Thesis? Wired. Retrieved from https://www.wired.com/2015/05/did-facebooks-big-study-kill-my-filter- bubble-thesis/
- Schmidt, J.-H. (2014). Twitter and the Rise of Personal Publics. In K. Weller, A. Bruns, J. Burgess, M. Mahrt, & C. Puschmann (Eds.), Twitter and Society (pp. 3-14). New York: Peter Lang.
- Sunstein, C. R. (2001). Echo Chambers: Bush v. Gore, Impeachment, and Beyond. Princeton: Princeton University Press.
Cited by
Sorted by citations
A critical review of filter bubbles and a comparison with selective exposure
Dahlgren, P. (2021) · Nordicom review/NORDICOM review · doi:10.2478/nor-2021-0002 · Cited by 179
Himeur, Y., Sohail, S. S., Bensaali, F., Amira, A., & Alazab, M. (2022) · Computers & Security · doi:10.1016/j.cose.2022.102746 · Cited by 139
Eg, R., Tønnesen, O. D., & Tennfjord, M. K. (2022) · Computers in Human Behavior Reports · doi:10.1016/j.chbr.2022.100253 · Cited by 137
Recommender systems and the amplification of extremist content
Whittaker, J., Looney, S., Reed, A., & Votta, F. (2021) · Internet Policy Review · doi:10.14763/2021.2.1565 · Cited by 135
“There is little distinction made between the similar, yet different, concepts of filter bubbles and echo chambers (Zuiderveen Borgesius et al., 2016; Bruns, 2019).”
BackgroundInfluentialConceptualizing “Dark Platforms”. Covid-19-Related Conspiracy Theories on 8kun and Gab
Zeng, J., & Schäfer, M. S. (2021) · Digital Journalism · doi:10.1080/21670811.2021.1938165 · Cited by 125
“The prevalence of legacy and authoritative information sources provide evidence to support Bruns (2019) critique on filter bubbles.”
Background
Metadata
- Authors
- Bruns, A.
- Affiliations
- Queensland University of Technology (AU)
- Corresponding author
- Bruns, Axel
- ORCID
- Bruns, Axel
- Venue
- Internet Policy Review
- Published
- 2019-11-29
- Volume
- 8
- Issue
- 4
- ISSN
- 2197-6775 (ISSN-L)
- OpenAlex
- W4206182481
- Cited by
- 193
- References
- 28
- Citations by year
- 2026: 19 · 2025: 34 · 2024: 34 · 2023: 45 · 2022: 32 · 2021: 23 · 2020: 5 · 2019: 1
- FWCI
- 30.80
- Type
- journal article
- Language
- en
- Open access
- diamond
- doi.org
- Licence
- cc-by
- Locations
- Internet Policy Review (publishedVersion, cc-by)
- QUT ePrints (Queensland University of Technology) (submittedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Econstor (Econstor) (submittedVersion, cc-by)
- Funders
- Australian Research Council
- Topics
- Social Sciences › Sociology and Political Science › Misinformation and Its Impacts
- Physical Sciences › Computer Science › Artificial Intelligence › Ethics and Social Impacts of AI
- Social Sciences › Communication › Social Media and Politics
- Keywords
- filter bubbles, algorithmic filtering, information filtering, internet environment, conceptual definitions, research critique
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
A language model drew the claims from the paper on 2026-10-13, under version 3 of the claim definition (model deepseek-v4.1-flash, prompt extract-v3).
A second model labelled each claim on 2026-10-13 (model jev-1.13-20260917, definition revision gold-guideline-v0.2).
Cited sources are checked with a language model’s help (gpt-6-sol).
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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