161 citations · 235 across the 16 of their papers we have counts for
5 papers · 1 filter
Shifts in U.S. Social Media Use, 2020-2024: Decline, Fragmentation, and Enduring Polarization
Petter Törnberg
Using nationally representative data from the 2020 and 2024 American National Election Studies (ANES), this paper traces how the U.S. social media landscape has shifted across plat…
Online Homogeneity Can Emerge Without Filtering Algorithms or Homophily Preferences
Petter Törnberg
Ideologically homogeneous online environments - often described as "echo chambers" or "filter bubbles" - are widely seen as drivers of polarization, radicalization, and misinformat…
Can We Fix Social Media? Testing Prosocial Interventions using Generative Social Simulation
Maik Larooij, Petter Törnberg
Social media platforms have been widely linked to societal harms, including rising polarization and the erosion of constructive debate. Can these problems be mitigated through pros…
Measuring Negative Campaigning across Languages with Large Language Models: A Study of 18 Million Tweets in 19 Countries
Victor Hartman, Petter Törnberg
Negative campaigning is a defining feature of electoral competition, yet comparative research on its drivers has remained limited by the high cost and limited scalability of existi…
Elite political incivility is rising across democracies
Petter Törnberg, Juliana Chueri
Is political incivility rising across democracies - and if so, why? Analysing approximately 13.8 million tweets from parliamentarians in 26 countries with a validated large languag…