Most of our information on manager effectiveness comes from surveys and monitoring workplace metrics. However, it is a problematic category of data to evaluate and analyze, because while good management practices exist, a lot will depend on what the employees perceive as beneficial.
But can a manager’s effectiveness at his job significantly affect whether an employee will stay with the company or quit? To answer this, we can take a look at Google’s Project Oxygen, which set out to prove that managers weren’t necessary, especially for a company with a flat organization. However, they managed to show the opposite.