Emojis Predict Dropouts of Remote Workers: An Empirical Study of Emoji Usage on GitHub
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Emotions at work have long been identified as critical signals of work motivations, status, and attitudes, and as predictors of various work-related outcomes. For example, harmonious passion increases commitment at work but stress reduces sustainability and leads to burnouts. When more and more employees work remotely, these emotional and mental health signals of workers become harder to observe through daily, face-to-face communications. The use of online platforms to communicate and collaborate at work provides an alternative channel to monitor the emotions of workers. This paper studies how emojis, as non-verbal cues in online communications, can be used for such purposes. In particular, we study how the developers on GitHub use emojis in their work-related activities. We show that developers have diverse patterns of emoji usage, which highly correlate to their working status including activity levels, types of work, types of communications, time management, and other behavioral patterns. Developers who use emojis in their posts are significantly less likely to dropout from the online work platform. Surprisingly, solely using emoji usage as features, standard machine learning models can predict future dropouts of developers at a satisfactory accuracy.
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