A mystery shopper is like an undercover agent. You may be assigned to visit a business or even make a phone call, as if you are a sincere, potential customer looking for a particular service. While you are getting help from the associate(s), you are to evaluate the greeting and overall attitude of the store employees, store appearance, etc. Each individual mystery shopper outing is different. Each one has specific areas to evaluate during the evaluation. It is up to you to know your specifics so that you can perform the evaluations correctly. A mystery shopper can help you employees focus on doing a good job.