When was Mayo theory invented What year?

The Mayo theory, also known as the Hawthorne effect, was developed in the 1920s during the Hawthorne studies conducted at the Western Electric Hawthorne Works in Chicago. These studies began in 1924 and continued until 1932, focusing on how social factors and worker attention influenced productivity. The findings highlighted the importance of human relations in the workplace, leading to the formulation of the Mayo theory in the context of organizational behavior.