Project changes should be expected, planned for, and well managed.
Out-of-scope extras (gold-plating) add no value to the project and should be avoided.
Scope verification ensures that the work product is formally accepted. Quality assurance ensures the correctness of the work product.
Lessons learned are important resources for planning and future projects. Maintaining the lessons learned during project control is important.
All change-control systems should include guidance on the following factors;
How to influence the factors that cause change
How to detect when a change has occurred
How to obtain agreement on a change activity
How to manage the change
Earned value is the preferred project controlling and performance reporting ...