The Lacuna Project

lacuna (n.) a gap in a record where something should be

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Exhibit 728

The effects of Facebook and Instagram on the 2020 election: A deactivation experiment

Exhibit 728 ยท Peer-reviewed study

The effects of Facebook and Instagram on the 2020 election: A deactivation experiment

the effects of both Facebook and Instagram deactivation on affective and issue polarization, perceived legitimacy of the election, candidate favorability, and voter turnout were all precisely estimated and close to zero.

Randomized 6-week deactivation of 19,857 Facebook and 15,585 Instagram users before the 2020 election.

Source
Allcott, Gentzkow, Mason, Wilkins, Barbera et al. (PNAS)
Date
13 May 2024
Quoted from
Abstract
Grade
Peer-reviewed
Document
https://doi.org/10.1073/pnas.2321584121
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.