Chapter 9Tools for Measurement
When you can measure what you are speaking of, and express it in numbers, you know that on which you are discoursing. But if you cannot measure it and express it in numbers, your knowledge is of a meagre and unsatisfactory kind.
—Lord Kelvin
9.1 Introduction
It is generally accepted that when we start a journey, the most essential thing to know is where we are going. We agree that a road map showing where we want to go is important, and we have covered this aspect in the section on project charters. Even if you have a reliable road map, you will get lost if you do not know where ...
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