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

A novel framework for sentiment classification employing Bi-GRU optimized by enhanced human evolutionary optimization algorithm.

Sentiment analysis of content is highly essential for myriad natural language processing tasks. Particularly, as the movies are often created on the basis of public opinions, reviews of people have ga…

Polarisation politique et co-présence sociale numérique
Wang, X., & Nourmohammadi, S. (2025). A novel framework for sentiment classification employing Bi-GRU optimized by enhanced human evolutionary optimization algorithm.. Sci Rep, 15(1), 17038. https://doi.org/10.1038/s41598-025-01516-y

Do people prefer to share political information that boosts their ingroup or derogates the outgroup? 📖 En lecture

Recent analyses of social media activity indicate that outgroup animosity drives user engagement more than ingroup favoritism, with content that derogates the outgroup tending to generate more viral r…

Polarisation politique et co-présence sociale numérique
Kasper, J., & Gilovich, T. (2025). Do people prefer to share political information that boosts their ingroup or derogates the outgroup?. J Exp Psychol Gen, 154(5), 1221-1235. https://doi.org/10.1037/xge0001683

Text-in-Image Enhanced Self-Supervised Alignment Model for Aspect-Based Multimodal Sentiment Analysis on Social Media.

The rapid development of social media has driven the need for opinion mining and sentiment analysis based on multimodal samples. As a fine-grained task within multimodal sentiment analysis, aspect-bas…

Polarisation politique et co-présence sociale numérique
Zhao, X., Wang, Y., & Zhong, Z. (2025). Text-in-Image Enhanced Self-Supervised Alignment Model for Aspect-Based Multimodal Sentiment Analysis on Social Media.. Sensors (Basel), 25(8). https://doi.org/10.3390/s25082553

Not our kind of crowd! How partisan bias distorts perceptions of political bots on Twitter (now X).

Social bots, employed to manipulate public opinion, pose a novel threat to digital societies. Existing bot research has emphasized technological aspects while neglecting psychological factors shaping …

Polarisation politique et co-présence sociale numérique
Lüders, A., Reiss, S., Dinkelberg, A., MacCarron, P., & Quayle, M. (2025). Not our kind of crowd! How partisan bias distorts perceptions of political bots on Twitter (now X).. Br J Soc Psychol, 64(2), e12794. https://doi.org/10.1111/bjso.12794

From Individual Expression to Group Polarization: A Study on Twitter's Emotional Diffusion Patterns in the German Election.

This study analyzes 194,151 tweets from the 2021 German federal election using sentiment analysis and statistical techniques to examine social media's role in shaping group emotions, voters' emotional…

Polarisation politique et co-présence sociale numérique
Zhang, Y., Zhou, B., Hu, Y., & Zhai, K. (2025). From Individual Expression to Group Polarization: A Study on Twitter's Emotional Diffusion Patterns in the German Election.. Behav Sci (Basel), 15(3). https://doi.org/10.3390/bs15030360

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

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

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

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

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

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

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