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

Social Media, Citizens' Distrust in the Government, and Misinformation During a National Crisis: An Experimental Test of a COVID-19 Case.

This study tests whether misinformation on social media undermines citizens' capability to perceive the factual public health information provided by the government during the pandemic and whether suc…

Polarisation politique et co-présence sociale numérique
Shin, G., & Rhee, Y. C. (2025). Social Media, Citizens' Distrust in the Government, and Misinformation During a National Crisis: An Experimental Test of a COVID-19 Case.. Health Commun, 1-15. https://doi.org/10.1080/10410236.2025.2606898

Testing the impact of fallacies and contrarian claims in climate change misinformation.

Climate misinformation reduces public acceptance of climate change and undermines support for mitigation policies. This study explored the impact of different types of climate misinformation, examinin…

Polarisation politique et co-présence sociale numérique
Lieu, R., Hayes, O. R., & Cook, J. (2025). Testing the impact of fallacies and contrarian claims in climate change misinformation.. Br J Psychol. https://doi.org/10.1111/bjop.70049

Firearm Violence and Health in Policymaker Discourse: Mixed Methods Social Media Analysis.

BACKGROUND: Since 2019, firearm violence has remained the leading cause of death for US children and adolescents aged 1-19 years. This crisis has spurred action from policymakers, health professionals…

Polarisation politique et co-présence sociale numérique
Ashok, V. A., Vervilles, W. J. K., Kellom, K. S., Chatterjee, A., Ntigbu, I., Boms, O., Szabo, A., Fein, J. A., Richmond, T. S., Purtle, J., Kearney, M. D., & Meisel, Z. F. (2025). Firearm Violence and Health in Policymaker Discourse: Mixed Methods Social Media Analysis.. JMIR Form Res, 9, e80397. https://doi.org/10.2196/80397

Disentangling participation in online political discussions with a collective field experiment.

Online political discussions are often dominated by a small group of active users, while most remain silent. This visibility gap can distort perceptions of public opinion and fuel polarization. Using …

Polarisation politique et co-présence sociale numérique
Oswald, L., Schulz, W. S., & Lorenz-Spreen, P. (2025). Disentangling participation in online political discussions with a collective field experiment.. Sci Adv, 11(50), eady8022. https://doi.org/10.1126/sciadv.ady8022

Leveraging complex network features improves vaccine stance classification.

The widespread use of social media allows unprecedented ways to monitor opinions and stances regarding critical public health issues globally. Advanced Natural Language processing algorithms are being…

Polarisation politique et co-présence sociale numérique
Durazzi, F., Barbieri, N., Faccin, M., Gore, D., & Remondini, D. (2025). Leveraging complex network features improves vaccine stance classification.. Sci Rep, 15(1), 43634. https://doi.org/10.1038/s41598-025-27487-8

Public Trust in Scientists for Cancer Information Across Political Ideologies in the US.

IMPORTANCE: Public trust in scientists is essential for effective cancer communication and uptake of cancer control strategies. However, growing political polarization in the US may affect trust in sc…

Polarisation politique et co-présence sociale numérique
Wheldon, C. W., Tallapragada, M., & Thompson, E. L. (2025). Public Trust in Scientists for Cancer Information Across Political Ideologies in the US.. JAMA Netw Open, 8(12), e2546818. https://doi.org/10.1001/jamanetworkopen.2025.46818

Rebuilding vaccine confidence in Latin America and the Caribbean: strategies for the post-pandemic era.

INTRODUCTION: Vaccine hesitancy in Latin America and the Caribbean (LAC) has a complex nature. It is shaped by socio-political, cultural, economic factors, and an influence of the COVID-19 pandemic on…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Debbag, R., Gallo, J., Ãvila-Agüero, M. L., Beltran, C., Brea-Del, C. a. s. t. i. l. l. o. . J., Puentes, A., & Enrique, S. (2025). Rebuilding vaccine confidence in Latin America and the Caribbean: strategies for the post-pandemic era.. Expert Rev Vaccines, 24(1), 615-623. https://doi.org/10.1080/14760584.2025.2527327

Reranking partisan animosity in algorithmic social media feeds alters affective polarization.

Today, social media platforms hold the sole power to study the effects of feed-ranking algorithms. We developed a platform-independent method that reranks participants' feeds in real time and used thi…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Piccardi, T., Saveski, M., Jia, C., Hancock, J., Tsai, J. L., & Bernstein, M. S. (2025). Reranking partisan animosity in algorithmic social media feeds alters affective polarization.. Science, 390(6776), eadu5584. https://doi.org/10.1126/science.adu5584

Selective Empathy Theory: the Bias of Affective Empathy and the Role of Social Frames.

This paper introduces the Selective Empathy Theory, a new theoretical framework that challenges the idealized, universalist understanding of empathy in psychology and social discourse. Contrary to the…

Polarisation politique et co-présence sociale numérique
Park, I. K. (2025). Selective Empathy Theory: the Bias of Affective Empathy and the Role of Social Frames.. Integr Psychol Behav Sci, 59(4), 81. https://doi.org/10.1007/s12124-025-09957-w

Drivers of health polarization during the COVID-19 pandemic: A systematic review.

Health polarization has emerged as a critical factor shaping public health attitudes and behaviors, particularly during crises such as the COVID-19 pandemic. This study provides a systematic review of…

Cognition politique et traitement des médias Polarisation politique et co-présence sociale numérique
Camacho-García, M., Serrano-Macías, M., Ortega-Martin, E., & Alvarez-Galvez, J. (2025). Drivers of health polarization during the COVID-19 pandemic: A systematic review.. Sci Adv, 11(46), eady5064. https://doi.org/10.1126/sciadv.ady5064

"Just be honest with us": A qualitative analysis of Canadians' public trust during the COVID-19 pandemic.

OBJECTIVES: This qualitative study examines how trust has changed during and after the pandemic among our study participants. It reveals how they made meaning of trust in federal and provincial govern…

Polarisation politique et co-présence sociale numérique
Muhajarine, N., Neudorf, C., Braun, F., Mehdiyeva, K., Baudelaire, K., Omot, A., Bedard, B., Entwistle, K., Bandara, T., Sadique, S., Abraham, N., Huyser, K., Lavoie, K. L., Dubé, Ã. ˆ., & Betker, C. (2025). "Just be honest with us": A qualitative analysis of Canadians' public trust during the COVID-19 pandemic.. Can J Public Health. https://doi.org/10.17269/s41997-025-01121-6

Examining the Meaning of "Violence" Through Machine Learning Techniques.

This paper examines the meaning of violence in contemporary Western societies. Scholars have argued that in contemporary Western societies, the concept is expanding toward a broader understanding of v…

Polarisation politique et co-présence sociale numérique
van, B. r. e. e. n. . J., Rijcken, E., Kantorowicz, J., & Liem, M. (2025). Examining the Meaning of "Violence" Through Machine Learning Techniques.. J Interpers Violence, 40(21-22), 5072-5094. https://doi.org/10.1177/08862605241301793