Tackling poor performance effectively is a challenge for all managers. Gain acknowledgment that a problem exists, then you can deal with it constructively by identifying causes and asking the staff member to come up with effective solutions.
Use good questioning techniques to explore solutions.
Avoid discussing problems that do not affect performance.
Before you can correct a problem, the employee must acknowledge that a problem exists. It is important that they realize the adverse impact of their actions on meeting their objectives, or they will not commit to solving the problem. Explain how their performance has affected that of their team or the organization. Ask questions ...