Veille Scientifique étudiante concernant la cognition partagée (SharedCognition) et la polarisation politique

Alimenté par : Claudia Dapino Ponel, Madeline Desmurs

Cette application est une plateforme collaborative de veille scientifique permettant d'importer des publications depuis PubMed, de suivre leur lecture, d'en extraire les éléments méthodologiques clés (protocole, variables, résultats), et de constituer une synthèse structurée pour faciliter la réalisation de revues de littérature.

Dernière synchronisation : 13/09/2026

Polarisation politique et co-présence sociale numérique

Effets de la co-présence sur la polarisation politique

412 articles disponibles

political polarization AND (media OR news) AND (experiment OR study)
attitude polarization AND (information OR exposure) AND experiment
opinion polarization AND (media OR news) AND (attitudes OR judgment)
group polarization AND (decision OR discussion OR experiment)
political attitudes AND polarization AND experiment

Toward an integrated and globally equitable understanding of political polarization.

Political polarization poses major societal risks, yet a globally relevant, interdisciplinary understanding remains lacking, as nearly half of all studies focus on the United States. We argue for rene…

Polarisation politique et co-présence sociale numérique
Falkenberg, M., Cinelli, M., Galeazzi, A., Bail, C. A., Benito, R. M., Bruns, A., Gruzd, A., Lazer, D., Lee, J. K., McCoy, J., Nagayoshi, K., Rand, D. G., Scala, A., Siegel, A. A., van, d. e. r. . L. i. n. d. e. n. . S., Varol, O., Weber, I., Wojcieszak, M., Zollo, F., … Quattrociocchi, W. (2026). Toward an integrated and globally equitable understanding of political polarization.. Nat Commun, 17(1). https://doi.org/10.1038/s41467-026-76110-5
02/09/2026 Lire →

PolCSBD: A contextual dataset of code-mixed Bengali and Banglish for political counter-speech detection.

The detection of counter-speech on social media is heavily dependent on the conversational context, particularly in low-resource and code-mixed languages. This article presents a dataset of 10,021 con…

Polarisation politique et co-présence sociale numérique
Mehedi, C. M., Emon, A. A., Mozumder, M. A., Akther, S., Tasnim, F., & Uddin, M. B. (2026). PolCSBD: A contextual dataset of code-mixed Bengali and Banglish for political counter-speech detection.. Data Brief, 67, 113062. https://doi.org/10.1016/j.dib.2026.113062
01/08/2026 Lire →

Impact of Repeated Exposure to Polarized Health-Related News on Explicit and Implicit Attitudes Toward Dietary Supplements: Online Experimental Study.

BACKGROUND: Repetition is a central feature of digital news consumption, where engagement-driven algorithms often expose users to similar health-related content. Prior research suggests that repeated …

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Secară, E. C., & Opre, N. A. (2026). Impact of Repeated Exposure to Polarized Health-Related News on Explicit and Implicit Attitudes Toward Dietary Supplements: Online Experimental Study.. JMIR Infodemiology, 6, e88632. https://doi.org/10.2196/88632
27/07/2026 Lire →

The Politics of Communicating Health Risks: Framing the Coronavirus Pandemic in a Polarized Society.

This study examines how political orientation shapes the communication of health risks during times of crises and uncertainty by analyzing news framing of COVID-19 in the French national press. Focusi…

Polarisation politique et co-présence sociale numérique
Jebril, N., & El, B. o. u. z. i. d. i. . M. (2026). The Politics of Communicating Health Risks: Framing the Coronavirus Pandemic in a Polarized Society.. Health Commun, 1-12. https://doi.org/10.1080/10410236.2026.2693954
21/07/2026 Lire →

Emotion Impact and Contagion Mechanism of Misinformation: A Network-Based Risk Analysis.

The proliferation of online misinformation poses severe societal risks, including public health crises and political polarization, with emotional manipulation serving as a key driver of its spread. Ho…

Polarisation politique et co-présence sociale numérique
Chen, Q. (2026). Emotion Impact and Contagion Mechanism of Misinformation: A Network-Based Risk Analysis.. Risk Anal, 46(6), e70265. https://doi.org/10.1111/risa.70265
01/06/2026 Lire →

State media control influences large language models.

Millions of people around the world query large language models (LLMs) for information. Although several studies have compellingly documented the persuasive potential of these models, there is limited…

Polarisation politique et co-présence sociale numérique
Waight, H., Yang, E., Yuan, Y., Messing, S., Roberts, M. E., Stewart, B. M., & Tucker, J. A. (2026). State media control influences large language models.. Nature. https://doi.org/10.1038/s41586-026-10506-7
13/05/2026 Lire →

Sad but true: how emotions and political ideology shape perceptions of information. ✓

Political and economic challenges, amplified by social media algorithms, are increasingly polarising how people receive and evaluate information. This study examines how political views and immediate …

Polarisation politique et co-présence sociale numérique
Halko, M. L., Halonen, J., Laukkanen, M., Nyberg, H., & Salmela, M. (2026). Sad but true: how emotions and political ideology shape perceptions of information.. Cogn Emot, 1-19. https://doi.org/10.1080/02699931.2026.2662478
06/05/2026 Lire →

The effects of political advertising on Facebook and Instagram before the 2020 US election.

We study the effects of social media political advertising by randomizing subsets of 36,906 Facebook users and 25,925 Instagram users to have political ads removed from their news feeds for 6 weeks be…

Polarisation politique et co-présence sociale numérique
Allcott, H., Gentzkow, M., Levy, R., Crespo-Tenorio, A., Dumas, N., Mason, W., Moehler, D., Barberá, P., Brown, T., Cisneros, J. C., Dimmery, D., Freelon, D., González-Bailón, S., Guess, A. M., Kim, Y. M., Lazer, D., Malhotra, N., Nair-Desai, S., Nyhan, B., … Tucker, J. A. (2026). The effects of political advertising on Facebook and Instagram before the 2020 US election.. Nat Hum Behav, 10(5), 884-895. https://doi.org/10.1038/s41562-025-02328-w
01/05/2026 Lire →

Who believes in science? A computational tool for identifying language invoking or disputing scientific knowledge.

From disputes over COVID-19 to contestation over climate science, questions of the value and legitimacy of mainstream scientific knowledge have become matters of high-stakes political struggle. Here, …

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Wetts, R., & Kitson, D. (2026). Who believes in science? A computational tool for identifying language invoking or disputing scientific knowledge.. Public Underst Sci, 35(4), 434-454. https://doi.org/10.1177/09636625251401198
01/05/2026 Lire →

Partisan Prejudice: The Role of Beliefs About the Unchanging Nature of Ideology and Partisans.

Although there is a tendency to think all forms of essentialism-the belief that characteristics are inherent and unchangeable-are similar, some theories suggest different foundations and outcomes. We …

Polarisation politique et co-présence sociale numérique
Hoyt, C. L., Burnette, J. L., & Moore, M. (2026). Partisan Prejudice: The Role of Beliefs About the Unchanging Nature of Ideology and Partisans.. Pers Soc Psychol Bull, 52(5), 1356-1385. https://doi.org/10.1177/01461672241283862
01/05/2026 Lire →

Why do Public Debates Escalate? Trigger Points and the Moral Dynamics of "Hot Politics".

Escalating, emotionally charged, and moralized forms of controversy are a central feature of contemporary politics. Our study develops a framework for understanding how political debates between ordin…

Polarisation politique et co-présence sociale numérique
Westheuser, L., Lux, T., & Mau, S. (2026). Why do Public Debates Escalate? Trigger Points and the Moral Dynamics of "Hot Politics".. Br J Sociol. https://doi.org/10.1111/1468-4446.70115
15/04/2026 Lire →

Digital Discourse, Secondary Victimization, and Psychological Harm: Mixed-Methods Analysis of System Justification in the #MeToo Movement.

BACKGROUND: The #MeToo movement, initiated in 2006 and amplified on social media in 2017, mobilized women worldwide to share experiences of sexual harassment and assault online. While the movement inc…

Polarisation politique et co-présence sociale numérique
Parekh, H., Thakkar, S., Bhatt, P., & Akello, P. (2026). Digital Discourse, Secondary Victimization, and Psychological Harm: Mixed-Methods Analysis of System Justification in the #MeToo Movement.. J Med Internet Res, 28, e75533. https://doi.org/10.2196/75533
09/04/2026 Lire →