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  "doi": null,
  "retrievedAt": "2026-08-24T19:46:43.506Z",
  "createdAt": "2026-05-09T07:08:27.270Z",
  "updatedAt": "2026-05-09T07:08:27.270Z",
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    "text": "The algorithm-structure interaction hypothesis is contradicted by the fact that US-specific experiments directly testing algorithmic effects in the US political context also find null effects on affective polarization."
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      "text": "Guess et al. (2023) tested algorithmic feed effects on US users during the 2020 US election and found no significant effect on affective polarization despite substantial changes in content exposure.",
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