McDonalds Motivational Theories

To what extent do McDonalds use motivational theories to enhance the performance of their employees and hence increase efficiency/productivity? Are these methods effective?
Introduction
McDonalds is a large multinational company that supplies millions of people with fast food. It is important for them to ensure that the workforce they employ is working to their full potential. McDonalds are very customer/ market orientated. They depend on a reputation for customer service. If employees are not motivated then this will suffer. If workers aren't motivated costs rise.…