What is the difference between Theory X and Th. McGregor was a student of Abraham Maslow and contributed a lot to management and motivation theories. Theory X And Theory Y Of Motivation By Mcgregor Theories Leadership Management Motivation From the Magazine May 1970 During the past 30 years managers have been bombarded with two competing approaches to the. . Theory X and Theory Y are theories of human work motivation and management. They were created by Douglas McGregor while he was working at the MIT Sloan School of Management in. The Theory X and Theory Y are the theories of motivation given by Douglas McGregor in 1960s. One is motivated by external incentives and requires supervision because they are less likely to. Assumptions of Theory Y in relation to Maslows hierarchy. McGregors Theory X and Theory Y describe two groups of employees. Theory X and Theory Y. Theory X and Y first published in the book