Julie Works in a Car Dealership, and Her Job Is

Multiple Choice

Julie works in a car dealership, and her job is to talk to people and convince them to buy a car. She talks to a lot of people, but only makes a sale with approximately every fifth person. She only gets paid when she makes a sale, so her salary reflects a __________ schedule of reinforcement.

A) variable interval
B) fixed interval
C) variable ratio
D) fixed ratio