1. Elton Mayo and other researchers conducted a series of experiments known as the Hawthorne Experiments between 1924-1932 at the Hawthorne Works of Western Electric Company in Chicago.
2. The experiments sought to understand the impact of various workplace factors like lighting, breaks, incentives on worker productivity but found no conclusive relationships. Productivity increased regardless of changes, highlighting the importance of social and psychological factors.
3. The experiments demonstrated that workers are influenced more by social relationships and feeling of being valued rather than just physical and economic factors alone. This challenged prevailing views and established human relations as important in workplace management.