6.7 Checklist
As a project planner you may often need to use the effort estimates produced by experts from technical areas where you are not knowledgeable. Are there any ways in which you can realistically review these estimates? It may be possible to assess the plausibility of the estimates by asking the estimator the questions below.
What methods were used to produce the estimates?
How is the relative size of the job measured (in other words, what are the size/effort drivers)?
How much effort was assumed would be required for each unit of the size driver in other words, what productivity rates are you assuming)?
Can a past project of about the same size be identified which had about the same effort?
If a job with a comparable size cannot be identified, ...
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