Polarisation politique et co-présence sociale numérique

Effets de la co-présence sur la polarisation politique

405 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

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

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

An optimized public opinion communication system in social media networks based on K-means cluster analysis.

This study proposes a public opinion monitoring model that combines the K-means clustering algorithm with Particle Swarm Optimization (PSO) to enhance the accuracy and effectiveness of public opinion …

Polarisation politique et co-présence sociale numérique
Qi, M., Zhao, J., & Feng, Y. (2024). An optimized public opinion communication system in social media networks based on K-means cluster analysis.. Heliyon, 10(24), e40033. https://doi.org/10.1016/j.heliyon.2024.e40033

Metacognition biases information seeking in assessing ambiguous news.

How do we assess the veracity of ambiguous news, and does metacognition guide our decisions to seek further information? In a controlled experiment, participants evaluated the veracity of ambiguous ne…

Polarisation politique et co-présence sociale numérique
Guigon, V., Villeval, M. C., & Dreher, J. C. (2024). Metacognition biases information seeking in assessing ambiguous news.. Commun Psychol, 2(1), 122. https://doi.org/10.1038/s44271-024-00170-w

Strengthening the Resilience of Objective-Oriented Health System Reforms. Analysis of the Left-Turn in the Health Reform Proposals in Mexico (2019) and Colombia (2023).

This article explores the political and institutional factors that led two leftist governments to propose sweeping, rather than incremental, changes to earlier objective-oriented health systems reform…

Polarisation politique et co-présence sociale numérique
Flamand, L., Gómez-Dantés, O., Losada-Trujillo, N., Pinto, D., Serván-Mori, E., Cerecero-García, D., Hone, T., & Mazumdar, S. (2024). Strengthening the Resilience of Objective-Oriented Health System Reforms. Analysis of the Left-Turn in the Health Reform Proposals in Mexico (2019) and Colombia (2023).. Health Syst Reform, 10(3), 2461096. https://doi.org/10.1080/23288604.2025.2461096

Toxicity on Social Media During the 2022 Mpox Public Health Emergency: Quantitative Study of Topical and Network Dynamics.

BACKGROUND: Toxicity on social media, encompassing behaviors such as harassment, bullying, hate speech, and the dissemination of misinformation, has become a pressing social concern in the digital age…

Polarisation politique et co-présence sociale numérique
Fan, L., Li, L., & Hemphill, L. (2024). Toxicity on Social Media During the 2022 Mpox Public Health Emergency: Quantitative Study of Topical and Network Dynamics.. J Med Internet Res, 26, e52997. https://doi.org/10.2196/52997

The Resilience of Attitude Toward Vaccination: Web-Based Randomized Controlled Trial on the Processing of Misinformation.

BACKGROUND: Before the COVID-19 pandemic, it was already recognized that internet-based misinformation and disinformation could influence individuals to refuse or delay vaccination for themselves, the…

Polarisation politique et co-présence sociale numérique
Béchard, B., Gramaccia, J. A., Gagnon, D., Laouan-Sidi, E. A., Dubé, Ã. ˆ., Ouimet, M., de, H. e. m. p. t. i. n. n. e. . D., & Tremblay, S. (2024). The Resilience of Attitude Toward Vaccination: Web-Based Randomized Controlled Trial on the Processing of Misinformation.. JMIR Form Res, 8, e52871. https://doi.org/10.2196/52871

Nudging recommendation algorithms increases news consumption and diversity on YouTube.

Recommendation algorithms profoundly shape users' attention and information consumption on social media platforms. This study introduces a computational intervention aimed at mitigating two key biases…

Polarisation politique et co-présence sociale numérique
Yu, X., Haroon, M., Menchen-Trevino, E., & Wojcieszak, M. (2024). Nudging recommendation algorithms increases news consumption and diversity on YouTube.. PNAS Nexus, 3(12), pgae518. https://doi.org/10.1093/pnasnexus/pgae518

Zero-covid advocacy during the COVID-19 pandemic: a case study of views on Twitter/X.

During the COVID-19 pandemic, many advocacy groups and individuals criticized governments on social media for doing either too much or too little to mitigate the pandemic. In this article, we review a…

Polarisation politique et co-présence sociale numérique
Kepp, K. P., Bardosh, K., De, B. i. e. . T., Emilsson, L., Greaves, J., Lallukka, T., Muka, T., Rangel, J. C., Sandström, N., Schippers, M. C., Schmidt-Chanasit, J., & Vaillancourt, T. (2024). Zero-covid advocacy during the COVID-19 pandemic: a case study of views on Twitter/X.. Monash Bioeth Rev, 42(2), 169-199. https://doi.org/10.1007/s40592-024-00205-2

The Impact of Comment Slant and Comment Tone on Digital Health Communication Among Polarized Publics: A Web-Based Survey Experiment.

BACKGROUND: Public attitudes toward health issues are becoming increasingly polarized, as seen in social media comments, which vary from supportive to oppositional and frequently include uncivil langu…

Polarisation politique et co-présence sociale numérique
Lu, F., & Tu, C. (2024). The Impact of Comment Slant and Comment Tone on Digital Health Communication Among Polarized Publics: A Web-Based Survey Experiment.. J Med Internet Res, 26, e57967. https://doi.org/10.2196/57967

Patterns of partisan toxicity and engagement reveal the common structure of online political communication across countries.

Existing studies of political polarization are often limited to a single country and one form of polarization, hindering a comprehensive understanding of the phenomenon. Here we investigate patterns o…

Polarisation politique et co-présence sociale numérique Informations politiques et médiatiques françaises
Falkenberg, M., Zollo, F., Quattrociocchi, W., Pfeffer, J., & Baronchelli, A. (2024). Patterns of partisan toxicity and engagement reveal the common structure of online political communication across countries.. Nat Commun, 15(1), 9560. https://doi.org/10.1038/s41467-024-53868-0

Depolarized by the Media? The Role of Heterogeneous and Homogeneous Traditional and Digital Media Diets in Issue Polarization Around COVID-19 in the United States.

Research suggests that a heterogeneous media diet can foster more objective information evaluations, reducing issue polarization as a result. These findings beg the question: Can increased news hetero…

Polarisation politique et co-présence sociale numérique
Bogado, N., De, C. o. n. i. n. c. k. . D., Duque, M., & Schwartz, S. (2024). Depolarized by the Media? The Role of Heterogeneous and Homogeneous Traditional and Digital Media Diets in Issue Polarization Around COVID-19 in the United States.. Health Commun, 39(13), 3238-3246. https://doi.org/10.1080/10410236.2024.2312614