Retraining Ourselves
With that vision in mind, you can change the way you approach estimation to make it your reality. Perhaps not perfectly, and certainly not immediately, but you can train yourself to operate in more effective ways.
When Asking for an Estimate
Let’s start from the point of view of the person requesting an estimate.
When you ask for an estimate, what information do you give? Do you explain how the estimate will be used and what decisions depend on it? Do you discuss the accuracy and precision needed, and the desired direction of error? As we discussed in When You’re Asked to Estimate Something New, these are things that the estimator needs to know to produce an estimate appropriate for the need.
Or do you assume that the ...
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