Proceedings of the Second Workshop on NLP and Computational Social Science 2017
DOI: 10.18653/v1/w17-2909
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Non-lexical Features Encode Political Affiliation on Twitter

Abstract: Previous work on classifying Twitter users' political alignment has mainly focused on lexical and social network features. This study provides evidence that political affiliation is also reflected in features which have been previously overlooked: users' discourse patterns (proportion of Tweets that are retweets or replies) and their rate of use of capitalization and punctuation. We find robust differences between politically left-and right-leaning communities with respect to these discourse and sub-lexical fe… Show more

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Cited by 7 publications
(5 citation statements)
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“…Similarly, Kosovo officials are also referred to within quotation marks, for example the "Minister of Foreign Affairs of Kosovo" ("Enver Hodžaj", 2017). This is in agreement with the study of Rachael Tatman et al, in which they have come to the conclusion that non-lexical textual patterns allow the possibility of divulging the author's political affiliation, punctuation being one of the revealing instances (Tatman, Stewart, Paullada, & Spiro, 2017), in this case, the excessive use of parentheses, coupled with a repetitive lexical choice. This lexical selection commonly surfaces in the form of the "fake" or "so-called" state of Kosovo, confirming R. Sherlock Campbell and James W. Pennebaker's research on pronouns as most important signifiers within qualitative content analysis (Campbell & Pennebaker, 2003).…”
Section: Case Studiessupporting
confidence: 91%
“…Similarly, Kosovo officials are also referred to within quotation marks, for example the "Minister of Foreign Affairs of Kosovo" ("Enver Hodžaj", 2017). This is in agreement with the study of Rachael Tatman et al, in which they have come to the conclusion that non-lexical textual patterns allow the possibility of divulging the author's political affiliation, punctuation being one of the revealing instances (Tatman, Stewart, Paullada, & Spiro, 2017), in this case, the excessive use of parentheses, coupled with a repetitive lexical choice. This lexical selection commonly surfaces in the form of the "fake" or "so-called" state of Kosovo, confirming R. Sherlock Campbell and James W. Pennebaker's research on pronouns as most important signifiers within qualitative content analysis (Campbell & Pennebaker, 2003).…”
Section: Case Studiessupporting
confidence: 91%
“…Smaller proportion of replies with more punctuation and capitalisation were noted in the case of right-winged users. Although there were robust differences between left and right leaning groups with respect to their discourse and sub-lexical features, their predictive accuracy was low (Tatman, Stewart, Paullada, & Spiro, 2017). In a study on the linguistic features present in populist discourse on tweets by four European political leaders-Luigi Di Maio, Matteo Salvini, Marine Le Pen and Nigel Farage and its relationship with their popularity, Carrella (2018) identified emotionalization, simplistic rhetoric and intensified evaluations as the discursive elements of populistic expressions.…”
Section: Linguistic Analysismentioning
confidence: 99%
“…One common task is identifying political affiliation. Both linguistic and non-linguistic features have proven effective in classifying political leanings of users in Twitter data (Tatman et al, 2017). Preoiuc-Pietro et al (2017) provide a method for identifying whether users are liberal or conservative, and point to a variety of user level classifications that can be predictive of political ideology.…”
Section: Task 2: Evacuation Classificationmentioning
confidence: 99%