“…Sentimentr has mostly been applied by computer scientists in studying big data, such as consumers' online reviews (Kawate & Patil, 2017), emotion that YouTubers convey (Kleinberg, Mozes, & van der Vegt, 2018), and online polls (Kassraie, Modirshanechi, & Aghajan, 2017). Although sentimentr has not been used in mainstream psychology, it has been applied to many areas of research involving the study of emotion, such as public opinions in business and management (Ikoro, Sharmina, Malik, & Batista-Navarro, 2018;Sinha, Choudhury, & Agrawal, 2014), political science (Sanders, 2018) and even predicting stock trend from sentiments reflected in the market and social media (J.…”