An outcome is more impactful than the hard work. Harsh, but true. The upshot is always awaited. Underperforming people tend to face failure and have to suffer harsh comments. Performance management techniques can be applied to any person, regardless of their designation in any company.
A supervisor faces multiple problems while handling a group of individuals. There are a variety of people: Some chose to come late; some are disobedient and being undisciplined is a big issue. The educational and informative way of dealing with such kinds of people is performance management, which deals with many genres such as humanity and science.