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Robert Kennedy

, as well as the nature of responses in terms of whether they support or contradict previous posts. Analysis of the two modes together also enables a sentiment analysis. The results show a larger degree of anger and fear than in other texts; in addition, the posts contain recurrent expressions of

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Christopher Johansen, Kim D. Reynolds, Jennifer Wolch, Jason Byrne, Chih-Ping Chou, Sarah Boyle, Donna Spruijt-Metz, Brianna A. Lienemann, Susan Weaver, and Michael Jerrett

, in some situations, trail crowding may be viewed as enhancing perceived safety and facilitating the formation or activation of social connections, particularly when shared on social media sites. Future studies could use sentiment analysis of social media to verify associations between trail crowding

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Akira Asada, Yuhei Inoue, and Yonghwan Chang

. ( 2018 ). Collaborative touchdown with #Kaepernick and #BLM: Sentiment analysis of tweets expressing Colin Kaepernick’s refusal to stand during the national anthem and its association with #BLM . Journal of Sports Media, 13 ( 2 ), 39 – 60 . 10.1353/jsm.2018.0008