April 20, 2024

What’s Fueling Political Polarization Across the US? People Unknowingly Grouping Themselves Together Online

As individuals curate their online news feeds, they might be unwillingly sorting themselves into polarized networks. Credit: Egan Jimenez, Princeton University
As people curate their online news feeds, they may be reluctantly sorting themselves into polarized networks, according to a research study led by researchers at Princeton University.
The team established a model of intricate contagions usually utilized to study how habits spreads in groups, instead using it to how response to news coverage might spread and cultivate online polarization. They then checked their theoretical design utilizing Twitter data.
They discovered that when individuals are less reactive to news, their online environment remains politically mixed. When users continuously react to and share posts of their chosen news sources, they are more most likely to foster a politically isolated network, or what the researchers call “epistemic bubbles.”

The follower demographic of CBS News and USA Today, 2 mainstream news outlets known for constant fact-based reporting, was more ideologically varied than Vox and the Washington Examiner, which, according to the researchers, tend to provide more slanted and agenda-based news coverage. The followers of Vox and the Washington Examiner tended to lose political and ideological diversity amongst their own online connections faster than users who followed CBS News and USA Today.
“Its not difficult to discover proof of polarized discourse on social media, but we know less about the systems of how social media can drive individuals apart. The research study group advocates for more investigation into how these trends may contribute to the spread and usage of “fake news” and false information, and how inaccurate news fuels political department amongst the public. The study suggests that people who consume and share fake news might be unintentionally separating themselves from everybody else who follows mainstream sources.

When users remain in these bubbles, they in fact miss out on more news articles, consisting of those from their preferred media outlets. Users appear to prevent what they consider as “unimportant” news at the expenditure of losing out on subjectively essential news, the design reveals.
All of this could be driving the extremely high rates of American political divisiveness and social suspect, the scientists conclude.
” Our research study shows that, even without social media algorithms, coverage from polarized news outlets is changing users social connections and pressing them unknowingly into so-called political echo chambers, where they are surrounded by others who share their exact same political identity and beliefs,” stated Christopher Tokita Ph.D. 21, who is now a data researcher at cybersecurity start-up Phylum. “Whether a user selects to respond to or overlook specific news posts can help determine if their social media network will end up being ideologically homogenous or remain more diverse.”
Working with Andy Guess, assistant teacher of politics and public affairs at the Princeton School of Public and International Affairs, and Corina Tarnita, teacher of ecology and evolutionary biology with the Princeton Department of Ecology and Evolutionary Biology, Tokita studied these behaviors by building a theoretical model and screening its predictions with data from real social networks on Twitter.
Central to their modeling was the idea of “info cascades,” or the process of people observing and imitating the actions of others so that a broad online shift takes place. This phenomenon is not unlike the cumulative behavior seen in schools of fish or insect swarms.
They investigate this concept further, revealing that the sharing of viral newspaper article can lead people to conclude that some of the “buddies” they follow on social networks are misrepresenting the news as reported by their own favored outlets. When users “unfollow” unreliable connections– consequently curating their own online social spheres– they inadvertently sort themselves into polarized networks.
They then checked the design with Twitter data, examining 1,000 fans of each of four news outlets: CBS News, USA Today, Vox, and the Washington Examiner. To track tips of political ideology and shifting social networks, they utilized the total follower network of users to tape who followed and unfollowed each other over a six-week period in summer season 2020.
Their insights revealed a number of online trends and habits that may add to political polarization. The follower demographic of CBS News and USA Today, two mainstream news outlets understood for consistent fact-based reporting, was more ideologically diverse than Vox and the Washington Examiner, which, according to the scientists, tend to supply more inclined and agenda-based news coverage. The fans of Vox and the Washington Examiner tended to lose ideological and political variety among their own online connections faster than users who followed CBS News and USA Today.
While online interactions can not entirely account for the divisive shift occurring in American politics, they have actually significantly influenced human behavior and relationships. The studys outcomes show that blatant knowledge of political ideology or positioning is not essential for social networks to end up being politically segregated for users.
“Its not hard to find proof of polarized discourse on social media, however we understand less about the systems of how social media can drive individuals apart. Our contribution is to reveal that polarization of online social networks emerges naturally as individuals curate their feeds. Counterintuitively, this can take place even without knowing other users partisan identities,” Guess said.
The research study team supporters for further investigation into how these patterns might contribute to the spread and intake of “phony news” and false information, and how inaccurate news fuels political department among the general public. For example, the research study recommends that people who consume and share fake news might be inadvertently isolating themselves from everybody else who follows mainstream sources. This ought to be checked out even more.
“Though derived from a simple theoretical model of cumulative characteristics, our outcomes demonstrate the power of a cross-disciplinary approach to the research study of political polarization. We hope that they might influence future examinations into social network-specific algorithms and patterns as potential contributors to social polarization,” Tarnita said.
Recommendation: “Polarized details ecosystems can reorganize social networks by means of info cascades” 6 December 2021, Proceedings of the National Academy of Sciences.