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Register a new userPolitical Ideology and Polarization of Policy Positions: A Multi-dimensional Approach
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Added by
Junyi Jessy Li
Publication date
2021
fields
Informatics Engineering
and research's language is
English
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Analyzing political ideology and polarization is of critical importance in advancing our understanding of the political context in society. Recent research has made great strides towards understanding the ideological bias (i.e., stance) of news media along a left-right spectrum. In this work, we take a novel approach and study the ideology of the policy under discussion teasing apart the nuanced co-existence of stance and ideology. Aligned with the theoretical accounts in political science, we treat ideology as a multi-dimensional construct, and introduce the first diachronic dataset of news articles whose political ideology under discussion is annotated by trained political scientists and linguists at the paragraph-level. We showcase that this framework enables quantitative analysis of polarization, a temporal, multifaceted measure of ideological distance. We further present baseline models for ideology prediction.
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Political polarization appears to be on the rise, as measured by voting behavior, general affect towards opposing partisans and their parties, and contents posted and consumed online. Research over the years has focused on the role of the Web as a driver of polarization. In order to further our understanding of the factors behind online polarization, in the present work we collect and analyze Web browsing histories of tens of thousands of users alongside careful measurements of the time spent browsing various news sources. We show that online news consumption follows a polarized pattern, where users visits to news sources aligned with their own political leaning are substantially longer than their visits to other news sources. Next, we show that such preferences hold at the individual as well as the population level, as evidenced by the emergence of clear partisan communities of news domains from aggregated browsing patterns. Finally, we tackle the important question of the role of user choices in polarization. Are users simply following the links proffered by their Web environment, or do they exacerbate partisan polarization by intentionally pursuing like-minded news sources? To answer this question, we compare browsing patterns with the underlying hyperlink structure spanned by the considered news domains, finding strong evidence of polarization in partisan browsing habits beyond that which can be explained by the hyperlink structure of the Web.
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Propagation of political ideologies in social networks has shown a notorious impact on voting behavior. Both the contents of the messages (the ideology) and the politicians influence on their online audiences (their followers) have been associated with such an impact. Here we evaluate which of these factors exerted a major role in deciding electoral results of the 2015 Colombian regional elections by evaluating the linguistic similarity of political ideologies and their influence on the Twitter sphere. The electoral results proved to be strongly associated with tweets and retweets and not with the linguistic content of their ideologies or their Twitter followers. Suggestions on new ways to analyze electoral processes are finally discussed.
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