The Shortest Truthful Distance
Use this when you want to check that a piece of product work went through the whole loop without a stand-in doing a user’s step. Worked in “A Fast Loop Only Works if Real Users Stay in It.”
The Shortest Truthful Distance loop check for one piece of work.
| Step | Who did it | Output | Real user present where the step needs one? |
|---|---|---|---|
User |
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Observation |
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Evidence |
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Prototype |
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Real-user validation |
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Engineering hardening |
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Production measurement |
User, real-user validation, and production measurement can’t be done without real users. If any of those three rows names only internal staff, the work isn’t finished; it’s waiting at that step.