Queuing Theory Discuss the advantages and disadvantages of queuing theory for an organization in the service industry. What benefits are provided by the constant service time model? 2 Pages and references Also read: CHAPTER 14 Waiting Lines and Queuing Theory Models Chapter 12 Waiting Lines and Queuing Theory Models Chapter 13 Waiting Lines and Queuing Theory Models Queuing Systems Choose a middle-range theory or grand theory that, in your opinion, can be applied to research. What are the assumptions underpinning this theory? Theories of Development – Piaget’s Cognitive Theory Cognitive Theory: Applying Theory to a Practice Problem: Part 2: Application of Middle-Range Theory to Problem Sager’s study of Theory X and Theory Managers’ communicator style