It is wrong to pressure an employee into doing something
Heather is a manager, and one of her employees wants to take time off to spend with his family in a couple weeks.
Heather wants to make sure her employee gets their work done on time.
Heather conditionally grants the vacation days if the employee submits a good progress report later that week.
Heather says that she would grant the request but that she might have to give them a poor performance review if they take the vacation.
The employee works hard to make sure they can get a good report in on time and enjoys their vacation.
The employee, afraid for their job, forgoes the vacation but starts looking for another job that will allow them more vacation time.