For people who like to shop, this sounds like a fun job, but there is actually a lot of work to do. They don't just go into a store and pretend to shop (or really shop). What they're really doing is finding out how friendly the staff is or how long it takes to get waited on. This girl is trying too hard to convince them she's a shopper!
Mystery shoppers have different names to describe their job. Which one of these do you think is correct?