Expectancy theory was given by Victor Vroom in 1964 when he was studying motivations behind decision-making. It is centred around motivation. It was given in an organizational behaviour context.| Communication Theory
Bureaucratic management refers to an organisational structure and set of administrative principles prioritising formal rules, fixed responsibilities, and a clear hierarchy of authority.| Communication Theory
Douglas McGregor introduced Theory X and Theory Y to explain different styles of management. Theory X refers to an authoritarian style and Theory Y refers to a participative/interactive style of managing employees.| Communication Theory