The M in POIM stands for MEASURE.
“To measure is to know.”
Measurement of the POIM process allows the plan to be adjusted ensuring the probability of success with in the allotted time. When we measure a project it is translated to numbers:
When you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meagre and unsatisfactory kind.