Table 1.

Measurement variables and items.

Variable	Survey Item	Item	References
Confidence benefit	-Have a firm belief in service quality -Have a conviction in service procedure professionalism -Not anxious when using the service	3	Gwinner et al. [9] Reynolds and Beatty [13] Henning-Thurau et al. [25]
Social benefit	-Maintain friend-like relationship -The service provider recognizes me -Feel joy when receiving the service	3
Economic benefit	-Use the service at cheap price -Receive the service at reasonable price -Receive large price discount	3	Yen and Gwinner [17] Koritos et al. [19]
Service trust	-Always believe in and visit the car repair center -Have a belief that the center will do its best for customers	2	Sirdeshmukh et al. [52]
Service satisfaction	-Satisfied with the service overall -Satisfied with workers’ working mode and repair	2	De Wulf et al. [53] Eggert et al. [41]
Customer engagement	-Have an intention to publicize the repair center using SNS -Have an intention to suggest an improvement for the service	2	Brodie et al. [32] So et al. [54]
Long-Term relationship orientation	-Will continue to visit the repair center -Have no intention to change the repair center -Will maintain long-term relationship with the repair center	3	Ganesan [55] Jahanshahi et al. [56]