Answer:
inconsistency
Step-by-step explanation:
This characteristic of service also referred to as heterogeneity, is a function of human involvement in the delivery and consumption process.
Inconsistency occurs largely because different service providers perform a given service on different occasions. The service performed by an individual provider may differ over a period of time because interaction between customer and provider may vary. Every time a service is performed, the process and the customer experience are different.
The performance of the local band on campus during a pre-graduation party, is not of same standard as the concert at the club downtown , as it will depend on a host of factors like preparation, mood, participation of the students, ambiance etc