Latent human traits in the language of social media: An open-vocabulary approach

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Author
Kulkarni, V; Kern, ML; Stillwell, D; Kosinski, M; Matz, S; Ungar, L; Skiena, S; Schwartz, HADate
2018-11-28Source Title
PLoS OnePublisher
PUBLIC LIBRARY SCIENCEUniversity of Melbourne Author/s
Kern, MargaretAffiliation
Melbourne Graduate School of EducationMetadata
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Journal ArticleCitations
Kulkarni, V., Kern, M. L., Stillwell, D., Kosinski, M., Matz, S., Ungar, L., Skiena, S. & Schwartz, H. A. (2018). Latent human traits in the language of social media: An open-vocabulary approach. PLOS ONE, 13 (11), https://doi.org/10.1371/journal.pone.0201703.Access Status
Open AccessAbstract
Over the past century, personality theory and research has successfully identified core sets of characteristics that consistently describe and explain fundamental differences in the way people think, feel and behave. Such characteristics were derived through theory, dictionary analyses, and survey research using explicit self-reports. The availability of social media data spanning millions of users now makes it possible to automatically derive characteristics from behavioral data-language use-at large scale. Taking advantage of linguistic information available through Facebook, we study the process of inferring a new set of potential human traits based on unprompted language use. We subject these new traits to a comprehensive set of evaluations and compare them with a popular five factor model of personality. We find that our language-based trait construct is often more generalizable in that it often predicts non-questionnaire-based outcomes better than questionnaire-based traits (e.g. entities someone likes, income and intelligence quotient), while the factors remain nearly as stable as traditional factors. Our approach suggests a value in new constructs of personality derived from everyday human language use.
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