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

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.

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

Modifiable risk factors of vaccine hesitancy: insights from a mixed methods multiple population study combining machine learning and thematic analysis during the COVID-19 pandemic.

BACKGROUND: Vaccine hesitancy, the delay in acceptance or reluctance to vaccinate, ranks among the top threats to global health. Identifying modifiable factors contributing to vaccine hesitancy is cru…

Polarisation politique et co-présence sociale numérique
Ebrahimi, O. V., Sandbakken, E. M., Moss, S. M., Johnson, S. U., Hoffart, A., Bauermeister, S., Solbakken, O. A., Westlye, L. T., & Leonardsen, E. H. (2025). Modifiable risk factors of vaccine hesitancy: insights from a mixed methods multiple population study combining machine learning and thematic analysis during the COVID-19 pandemic.. BMC Med, 23(1), 155. https://doi.org/10.1186/s12916-025-03953-y
12/03/2025 Lire →

To meme or not to meme? Political social media posts and ideologically motivated aggression in job recommendations.

This study tested the notion of ideological asymmetry, which proposes that conservatives are more prejudiced than liberals. It involved 682 self-identified conservative ( = 383) and liberal ( = 299) p…

Polarisation politique et co-présence sociale numérique
Ridge, R. D., Hawk, C. E., Hartvigsen, L. D., & McCombs, L. D. (2025). To meme or not to meme? Political social media posts and ideologically motivated aggression in job recommendations.. J Soc Psychol, 165(2), 171-188. https://doi.org/10.1080/00224545.2024.2316619
04/03/2025 Lire →

Short-term exposure to filter-bubble recommendation systems has limited polarization effects: Naturalistic experiments on YouTube.

An enormous body of literature argues that recommendation algorithms drive political polarization by creating "filter bubbles" and "rabbit holes." Using four experiments with nearly 9,000 participants…

Polarisation politique et co-présence sociale numérique
Liu, N., Hu, X. E., Savas, Y., Baum, M. A., Berinsky, A. J., Chaney, A. J. B., Lucas, C., Mariman, R., de, B. e. n. e. d. i. c. t. i. s. -. K. e. s. s. n. e. r. . J., Guess, A. M., Knox, D., & Stewart, B. M. (2025). Short-term exposure to filter-bubble recommendation systems has limited polarization effects: Naturalistic experiments on YouTube.. Proc Natl Acad Sci U S A, 122(8), e2318127122. https://doi.org/10.1073/pnas.2318127122
25/02/2025 Lire →

Examining emotion reactivity to politically polarizing media in a randomized controlled trial of mindfulness training versus active coping training. ✓

Emotional appraisals of political stimuli (e.g., videos) have been shown to drive shared neural encoding, which correspond to shared, yet divisive, interpretations of such stimuli. However, mindfulnes…

Polarisation politique et co-présence sociale numérique
Rahrig, H., Beloborodova, P., Castro, C., Sabet, K., Johnson, M., Pearce, O., Celik, E., & Brown, K. W. (2025). Examining emotion reactivity to politically polarizing media in a randomized controlled trial of mindfulness training versus active coping training.. Sci Rep, 15(1), 5209. https://doi.org/10.1038/s41598-024-84510-0
12/02/2025 Lire →

Unveiling the drivers of active participation in social media discourse.

The emergence of new public forums in the form of online social media has introduced unprecedented challenges to public discourse, including polarization, misinformation, and the rise of echo chambers…

Polarisation politique et co-présence sociale numérique
Baqir, A., Chen, Y., Diaz-Diaz, F., Kiyak, S., Louf, T., Morini, V., Pansanella, V., Torricelli, M., & Galeazzi, A. (2025). Unveiling the drivers of active participation in social media discourse.. Sci Rep, 15(1), 4906. https://doi.org/10.1038/s41598-025-88117-x
10/02/2025 Lire →

Public Health Messaging on Twitter During the COVID-19 Pandemic: Observational Study.

BACKGROUND: Effective communication is crucial during health crises, and social media has become a prominent platform for public health experts (PHEs) to share information and engage with the public. …

Polarisation politique et co-présence sociale numérique
Rao, A., Sabri, N., Guo, S., Raschid, L., & Lerman, K. (2025). Public Health Messaging on Twitter During the COVID-19 Pandemic: Observational Study.. J Med Internet Res, 27, e63910. https://doi.org/10.2196/63910
05/02/2025 Lire →

Psychological underpinnings of partisan bias in tie formation on social media.

Individuals preferentially reciprocate connections with copartisans versus counter-partisans online. However, the mechanisms underlying this partisan bias remain unclear. Do individuals simply prefer …

Polarisation politique et co-présence sociale numérique
Mosleh, M., Martel, C., & Rand, D. G. (2025). Psychological underpinnings of partisan bias in tie formation on social media.. J Exp Psychol Gen, 154(2), 378-390. https://doi.org/10.1037/xge0001662
01/02/2025 Lire →

Geosocial Media's Early Warning Capabilities Across US County-Level Political Clusters: Observational Study.

BACKGROUND: The novel coronavirus disease (COVID-19) sparked significant health concerns worldwide, prompting policy makers and health care experts to implement nonpharmaceutical public health interve…

Polarisation politique et co-présence sociale numérique
Arifi, D., Resch, B., Santillana, M., Guan, W. W., Knoblauch, S., Lautenbach, S., Jaenisch, T., Morales, I., & Havas, C. (2025). Geosocial Media's Early Warning Capabilities Across US County-Level Political Clusters: Observational Study.. JMIR Infodemiology, 5, e58539. https://doi.org/10.2196/58539
30/01/2025 Lire →

Evaluating the relationship between news source sharing and political beliefs.

In an era marked by an abundance of news sources, access to information significantly influences public opinion. Notably, the bias of news sources often serves as an indicator of individuals' politica…

Polarisation politique et co-présence sociale numérique
Del, P. o. z. o. . S. M., Pinto, S., Serafino, M., Moss, F., Cicchini, T., Makse, H. A., & Balenzuela, P. (2025). Evaluating the relationship between news source sharing and political beliefs.. Sci Rep, 15(1), 516. https://doi.org/10.1038/s41598-024-84110-y
02/01/2025 Lire →

How politics affect pandemic forecasting: spatio-temporal early warning capabilities of different geo-social media topics in the context of state-level political leaning.

OBJECTIVES: Due to political polarization, adherence to public health measures varied across US states during the COVID-19 pandemic. Although social media posts have been shown effective in anticipati…

Polarisation politique et co-présence sociale numérique
Arifi, D., Resch, B., Santillana, M., Knoblauch, S., Lautenbach, S., Jaenisch, T., & Morales, I. (2025). How politics affect pandemic forecasting: spatio-temporal early warning capabilities of different geo-social media topics in the context of state-level political leaning.. Front Public Health, 13, 1618347. https://doi.org/10.3389/fpubh.2025.1618347
01/01/2025 Lire →

Bluesky: Network topology, polarization, and algorithmic curation.

Bluesky is a nascent "Twitter-like" and decentralized social media network with novel features and unprecedented data access. This paper provides a characterization of its interaction network, studyin…

Polarisation politique et co-présence sociale numérique
Quelle, D., & Bovet, A. (2025). Bluesky: Network topology, polarization, and algorithmic curation.. PLoS One, 20(2), e0318034. https://doi.org/10.1371/journal.pone.0318034
01/01/2025 Lire →

A systematic review of automated hyperpartisan news detection.

Hyperpartisan news consists of articles with strong biases that support specific political parties. The spread of such news increases polarization among readers, which threatens social unity and democ…

Polarisation politique et co-présence sociale numérique
Maggini, M. J., Bassi, D., Piot, P., Dias, G., & Otero, P. G. (2025). A systematic review of automated hyperpartisan news detection.. PLoS One, 20(2), e0316989. https://doi.org/10.1371/journal.pone.0316989
01/01/2025 Lire →
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