Dynamic Debates: An Analysis of Group Polarization Over Time on Twitter

  title={Dynamic Debates: An Analysis of Group Polarization Over Time on Twitter},
  author={Sarita Yardi and Danah Boyd},
  journal={Bulletin of Science, Technology \& Society},
  pages={316 - 327}
  • S. Yardi, D. Boyd
  • Published 2010
  • Psychology
  • Bulletin of Science, Technology & Society
The principle of homophily says that people associate with other groups of people who are mostly like themselves. Many online communities are structured around groups of socially similar individuals. On Twitter, however, people are exposed to multiple, diverse points of view through the public timeline. The authors captured 30,000 tweets about the shooting of George Tiller, a late-term abortion doctor, and the subsequent conversations among pro-life and pro-choice advocates. They found that… Expand

Figures and Tables from this paper

Paper Mentions

Blog Post
Making friends and enemies on social media: the case of gun policy organizations
  • M. Merry
  • Computer Science, Sociology
  • Online Inf. Rev.
  • 2016
The findings suggest that interest groups’ use of social media accelerates the formation of online echo chambers, but does not lead to an increase in polarization beyond existing levels, given practices that maintain civility between opposing sides. Expand
Investigating Political Polarization on Twitter: A Canadian Perspective
This article investigates political polarization in social media by undertaking social network analysis of a sample of 5,918 tweets posted by 1,492 Twitter users during the 2011 Canadian FederalExpand
Stance polarity in political debates: A diachronic perspective of network homophily and conversations on Twitter
An Italian annotated corpus for stance detection is created for automatically estimating the stance of a relevant number of users on Twitter on the 2016 referendum on the reform of the Italian Constitution and suggests that users tend to be less explicit in expressing their stances after the outcome of the vote. Expand
How Twitter affects the perception of public opinion: Two case studies
It is shown that different opinion groups exhibit different propensities to get involved in debate, and therefore have unequal impact on public opinion, and through the interplay of the two network representations, which opinion groups on the platform primarily shape public opinion is investigated. Expand
Birds of a Feather Tweet Together: Integrating Network and Content Analyses to Examine Cross-Ideology Exposure on Twitter
It is found that Twitter users are unlikely to be exposed to cross-ideological content from the clusters of users they followed, as these were usually politically homogeneous. Expand
Finding Intermediary Topics Between People of Opposing Views: A Case Study
The diversity of intermediary topics, which are latent topics estimated from user generated content, are studied so that these topics can be used as features in recommender systems aimed at introducing people of diverse political viewpoints. Expand
Tweeting on Catalonia’s Independence: The Dynamics of Political Discussion and Group Polarisation
This article provides evidence in favour of social media serving as facilitators of public deliberation, in contrast with the hypothesis that emphasises the dominance of the “echo chamber” effect. ItExpand
Me, My Echo Chamber, and I: Introspection on Social Media Polarization
Social Mirror is introduced, a social network visualization tool that enables a sample of Twitter users to explore the politically-active parts of their social network and finds that recommending accounts of the opposite political ideology to follow reduces participants» beliefs in the political homogeneity of their network connections but still enhances their connection diversity one week after treatment. Expand
#Snowden: Understanding Biases Introduced by Behavioral Differences of Opinion Groups on Social Media
A study of 10-month Twitter discussions on the controversial topic of Edward Snowden found that the minority group engaged in a "shared audiencing" practice with more persistent production of original tweets, focusing increasingly on inter-personal interactions with like-minded others. Expand
Pacts with Twitter. Predicting voters' indecision and preferences for coalitions in multiparty systems
In recent years, social networking sites (SNS) have become enormously popular, in particular microblogging sites such as Twitter. Twitter is nowadays one of the most used SNS for social, economic andExpand


Cross-ideological discussions among conservative and liberal bloggers
Abstract With the increasing spread of information technologies and their potential to filter content, some have argued that people will abandon the reading of dissenting political opinions in favorExpand
The Law of Group Polarization
In a striking empirical regularity, deliberation tends to move groups, and the individuals who compose them, toward a more extreme point in the direction indicated by their own predeliberationExpand
The political blogosphere and the 2004 U.S. election: divided they blog
Differences in the behavior of liberal and conservative blogs are found, with conservative blogs linking to each other more frequently and in a denser pattern. Expand
Why People Pass on News: Motivations for Diffusion
,All of us, with some degree of frequency, have turned t o others and said, "Hey, did you hear the news a b o u t ? " While the role of interpersonal communication in the news diffusion process hasExpand
Birds of a Feather: Homophily in Social Networks
Similarity breeds connection. This principle—the homophily principle—structures network ties of every type, including marriage, friendship, work, advice, support, information transfer, exchange,Expand
Blogs are Echo Chambers: Blogs are Echo Chambers
It is found that agreement outnumbers disagreement in blog comments by more than 3 to 1, however, this ratio depends heavily on a blog's genre, and it is shown that natural language processing techniques can identify the linguistic markers of agreement. Expand
Spinning the web of hate : web-based hate propagation by extremist organizations
Professed and suspected members of hate organizations have been involved in a number of highly publicized violent episodes in recent years. It has been suggested that there are connections betweenExpand
Hate Online: A Content Analysis of Extremist Internet Sites
Extremists, such as hate groups espousing racial supremacy or separation, have established an online presence. A content analysis of 157 extremist web sites selected through purposive sampling wasExpand
Political Friendship in the Legislature
Behavior fundamental to the legislative process--channeling of information and dissemination of voting cues--is patterned in accord with the interpersonal ties of legislators. What are the bases ofExpand
Homophily and differential returns: Sex differences in network structure and access in an advertising firm.
Herminia Ibarra Harvard University This paper argues that two network mechanisms operate to create and reinforce gender inequalities in the organizational distribution of power: sex differences inExpand