Exhibit 726

Like-minded sources on Facebook are prevalent but not polarizing

Exhibit 726 · Peer-reviewed study

Like-minded sources on Facebook are prevalent but not polarizing

had no measurable effects on eight preregistered attitudinal measures such as affective polarization, ideological extremity, candidate evaluations and belief in false claims.

Field experiment, 23,377 users; like-minded-source exposure cut by about one-third.

Source: Nyhan, Settle, Thorson, Wojcieszak, Barbera, Chen et al. (Nature)
Date: 27 July 2023
Quoted from: Abstract
Grade: Peer-reviewed
Document: https://doi.org/10.1038/s41586-023-06297-w
Accessed: 2026-11-09
Cited by: Findings citing this exhibit

Cited by

Finding POL-3.8: Peer-reviewed In randomized experiments run with Meta during the 2020 election, switching users to chronological feeds, removing reshares, reducing exposure to like-minded sources and deactivating accounts changed what users saw and produced no significant change in polarization.