Mystery customers.
Retailers employ mystery customers to go to their own business and get feedback about the staff. They also sometimes go to competitors business to compare service levels. Businesses employ mystery customers so they can find out about the speed of service, the way the service was delivered, the attitude of staff and quality of the finished result. Tesco would send workers pretend to be customers and see how they are being treated as a customer.
Retailers employ mystery customers to go to their own business and get feedback about the staff. They also sometimes go to competitors business to compare service levels. Businesses employ mystery customers so they can find out about the speed of service, the way the service was delivered, the attitude of staff and quality of the finished result. Tesco would send workers pretend to be customers and see how they are being treated as a customer.