“…In the field of service robotics research, anthropomorphism of service robots includes many factors, such as appearance personification, voice personification and even body movement personification (Huang et al, 2021;Kim and In, 2020;Zhang et al, 2014). Among these factors, appearance personification refers to the assignation of human-like appearance to robots (Yu and Xu, 2020). The existing literature has demonstrated that when human employees are Effects of personification of service robots the service subjects, employees' appearance has an impact on customer perception, satisfaction, loyalty and decision-making (Seok et al, 2011;Karl et al, 2016), and when service robots replace human employees as service subjects, appearance is still an important factor.…”