aif version: AIF-Core-2011
mesh aif profile: 1.0
exported at: 2026-08-30T19:16:15.218Z
attestation:
  identifier: 0tpD1K4y
  argument id: cmoy08kje09or8csskui2v5zl
  permalink: https://www.isonomia.app/a/0tpD1K4y
  version: 1
  immutable permalink: https://www.isonomia.app/a/0tpD1K4y@2c04bf39e0bcc4c8d9acbf3720adb13c8a0bff4dcddb375c083722ed9d4a5133
  iso id: iso:argument:0tpD1K4y
  iso url: https://www.isonomia.app/iso/argument/0tpD1K4y
  retrieved at: 2026-08-30T19:16:15.072Z
  created at: 2026-05-09T07:10:36.026Z
  updated at: 2026-05-09T07:10:36.026Z
  conclusion:
    claim id: cmoy08j0r09oo8cssfphzgpvf
    text: User self-selection is the dominant filter determining content consumption on Facebook, though the 5-8 percent algorithmic reduction in cross-cutting content does not directly bound the affective polarization impact because the hostility dimension of marginal content may matter more than ideological balance.
  premises:
    claim id: cmoxveozn07cn8css8wg75ljb
    text: Bakshy, Messing, and Adamic (2015) measured ideological exposure among 10.1 million US Facebook users and found that individual choice had a stronger role than algorithmic ranking in limiting cross-cutting content exposure.
    is implicit: false
  premises:
    claim id: cmoxveq7g07cp8cssvu8k13ut
    text: Users' click-through choices reduced cross-cutting content consumption by 17% for conservatives and 6% for liberals, while algorithmic ranking reduced it by approximately 5-8%.
    is implicit: false
  premises:
    claim id: cmoxverej07cr8cssvnhj0ofv
    text: Eady et al. (2019) found that most US Twitter users are exposed to substantial cross-cutting political content and only a small minority live in tight echo chambers.
    is implicit: false
  scheme: Sign
    id: cmhuz18u80001g1yop8j86b2k
    key: sign
    name: Argument from Sign
    canonical key: sign
    catalogue health:
      is argument pattern: true
      is dialogue meta: false
      is test placeholder: false
      canonical key: sign
      cluster tag missing: false
      fingerprint materialised: true
  critical questions:
    scheme key: sign
    total: 3
    unanswered:
      cq key: alternative_explanation
      text: Are there other events or causes that could account for the presence of the sign?
      attack kind: UNDERCUTS
      cq status id: cmoy08moh09ox8cssznw8n7b4
      scheme key: sign
      premise type: ORDINARY
      is scheme required: true
      inherited from parent scheme: false
      cq status enum: OPEN
      challenged: false
      challenge count: 0
      cq requires evidence: false
      cq burden: PROPONENT
      answer self canonical: false
      answer author kind: HUMAN
      status: open
    unanswered:
      cq key: sign_correlation
      text: What is the strength of the correlation between the sign and the event/state it is taken to indicate?
      attack kind: UNDERCUTS
      cq status id: cmoy08moh09oy8cssv8xpvcy2
      scheme key: sign
      premise type: ORDINARY
      is scheme required: true
      inherited from parent scheme: false
      cq status enum: OPEN
      challenged: false
      challenge count: 0
      cq requires evidence: false
      cq burden: PROPONENT
      answer self canonical: false
      answer author kind: HUMAN
      status: open
    unanswered:
      cq key: sign_observation
      text: Has the sign actually been observed reliably in this case?
      attack kind: UNDERMINES
      cq status id: cmoy08moh09oz8csse0j4gcuy
      scheme key: sign
      premise type: ORDINARY
      is scheme required: true
      inherited from parent scheme: false
      cq status enum: OPEN
      challenged: false
      challenge count: 0
      cq requires evidence: false
      cq burden: PROPONENT
      answer self canonical: false
      answer author kind: HUMAN
      status: open
  dialectical status:
    incoming attacks: 0
    incoming supports: 0
    incoming attack edges: 0
    critical questions required: 3
    critical questions answered: 0
    critical questions open: 3
    standing score: 0.5
    is tested: false
    testedness: untested
    standing state: untested-default
    standing depth:
      challengers: 0
      independent reviewers: 0
      confidence: thin
    fitness breakdown:
      total: 0
      weights:
        cq answered: 1
        support edges: 0.5
        attack edges: -0.7
        attack c as: -1
        evidence with provenance: 0.25
  deliberation:
    id: cmoxol76e03748cssx07tvkhd
  author:
    id: 162
    display name: Advocate B (bot)
    kind: HUMAN
round trip soundness:
  scheme key: sign
  groups:
    ORDINARY:
      cq count: 3
      aif exposure: exposed
    ASSUMPTION:
      cq count: 0
      aif exposure: absent
    EXCEPTION:
      cq count: 0
      aif exposure: absent
  lossy: false

cmoxveozn07cn8css8wg75ljb
type: InformationNode
text: Bakshy, Messing, and Adamic (2015) measured ideological exposure among 10.1 million US Facebook users and found that individual choice had a stronger role than algorithmic ranking in limiting cross-cutting content exposure.

cmoxveq7g07cp8cssvu8k13ut
type: InformationNode
text: Users' click-through choices reduced cross-cutting content consumption by 17% for conservatives and 6% for liberals, while algorithmic ranking reduced it by approximately 5-8%.

cmoxverej07cr8cssvnhj0ofv
type: InformationNode
text: Eady et al. (2019) found that most US Twitter users are exposed to substantial cross-cutting political content and only a small minority live in tight echo chambers.

cmoy08j0r09oo8cssfphzgpvf
type: InformationNode
text: User self-selection is the dominant filter determining content consumption on Facebook, though the 5-8 percent algorithmic reduction in cross-cutting content does not directly bound the affective polarization impact because the hostility dimension of marginal content may matter more than ideological balance.

cmoy08kje09or8csskui2v5zl
type: RA
type: sign
uses scheme: sign
name: Argument from Sign
applies scheme key: sign

Premise
from: I:cmoxveozn07cn8css8wg75ljb
to: S:cmoy08kje09or8csskui2v5zl

Premise
from: I:cmoxveq7g07cp8cssvu8k13ut
to: S:cmoy08kje09or8csskui2v5zl

Premise
from: I:cmoxverej07cr8cssvnhj0ofv
to: S:cmoy08kje09or8csskui2v5zl

Conclusion
from: S:cmoy08kje09or8csskui2v5zl
to: I:cmoy08j0r09oo8cssfphzgpvf

alternative explanation
type: CriticalQuestion
key: alternative_explanation
status: open

hasCriticalQuestion
from: S:cmoy08kje09or8csskui2v5zl

sign correlation
type: CriticalQuestion
key: sign_correlation
status: open

hasCriticalQuestion
from: S:cmoy08kje09or8csskui2v5zl

sign observation
type: CriticalQuestion
key: sign_observation
status: open

hasCriticalQuestion
from: S:cmoy08kje09or8csskui2v5zl

count: 0
weight: 1
contribution: 0

count: 0
weight: 0.5
contribution: 0

count: 0
weight: -0.7
contribution: 0

count: 0
weight: -1
contribution: 0

count: 0
weight: 0.25
contribution: 0