Performance Analysis · The question · Component

The precision needed

How accurate the answer has to be to be useful — because precision beyond the decision requirement is expense with no return.

The deliverable

What it is

Most business decisions need a direction rather than an estimate. Establishing which of two options is better rarely requires knowing by how much.

The instinct to keep refining is strong and is where analytical time disappears. A stopping rule set in advance prevents it.

One level in

What it is made of

Each element is a constituent part of the component. Follow one to see the attributes it carries.

  1. The requirement

    What accuracy the decision actually needs.

    3 attributes: Required · Tolerance · Reason

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  2. The method fit

    Whether the chosen method delivers that and no more.

    3 attributes: Method · Precision delivered · Proportionate

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  3. The stopping rule

    When the analysis is finished.

    3 attributes: Stopping condition · Effort budget · Reached

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Most business decisions need a direction, not an estimate. Knowing by how much is usually optional.