Morality-based Assertion and Homophily on Social Media: A Cultural Comparison between English and Japanese Languages
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Moral psychology is a domain that deals with moral identity, appraisals and emotions. Previous work has greatly focused on moral development and the associated role of culture. Knowing that language is an inherent element of a culture, we used the social media platform Twitter for comparing the moral behaviors of Japanese users with English users. The five basic moral foundations i.e., Care, Fairness, Ingroup, Authority and Purity, along with the associated emotional valence are compared for English and Japanese tweets. The tweets from Japanese users depicted relatively higher Fairness, Ingroup and Purity. As far as emotions related to morality are concerned, the English tweets expressed more positive emotions for all moral dimensions. Considering the role of moral similarities in connecting users on social media, we quantified homophily concerning different moral dimensions using our proposed method. The moral dimensions Care, Authority and Purity for English and Ingroup for Japanese depicted homophily on Twitter. Overall, our study uncovers the underlying cultural differences with respect to moral behavior in English and Japanese speaking users.
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