Previous research has explored the relationship between interpersonal justice and organizational citizenship behavior. Additionally, loyalty to supervisor is seen as one of the critical employee attitudes in Chinese culture. Past studies also pointed out that loyalty to supervisor has a positive relationship with interpersonal justice and organizational citizenship behavior. Generation Z is regarded as a unique generation, and it has entered the workplace nowadays. With limited research related to Generation Z' s work attitude and behavior, this research tried to fill the gap and understand how Generation Z' s perception of interpersonal justice from the supervisor influences loyalty to the supervisor and how these attitudes affect organizational citizenship behavior. A quantitative study was designed to examine these relationships among Generation Z employees in Taiwan. Office workers aged 18-28, who have been working with the current direct supervisor for over six months are the target sample. Google Forms was used to design the online survey and the link was distributed to social media platforms online. This study collected 260 valid responses and IBM SPSS was used to analyze the data. The results indicated that interpersonal justice has a positive relationship with organizational citizenship behavior and loyalty to supervisor partially mediates the relationship between interpersonal justice and organizational citizenship behavior. The findings of this study provided a preliminary understanding of Generation Z's employees in Taiwan.

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