The Retest Queue — Underplaced Challenge

01 · Brief

What you know

The point is not to guess quickly. It is to spend scarce questions on information that can change your decision.

Depot42 technicians

Thirty days ago94% same-day

Now61% same-day

Known changesNone reported

The depot diagnoses and repairs industrial control modules. Headcount appears stable, demand appears normal, and managers insist the process has not changed. A growing queue now misses the last carrier pickup every night.

02 · Ask

Choose exactly three questions

Every answer is true. The value lies in deciding which uncertainty to remove first.

0 of 3 questions used Choose the evidence with the highest decision value.

03 · Decide

Write the operating diagnosis

Be concrete. Link the evidence to a cause, choose a reversible first move, and say what would prove you wrong.

04 · Review

Inspectable self-review

This is a transparent prototype rubric, not a psychometric score or hiring recommendation.

Information searchPending

Did the three questions distinguish process, change, and cause?

Causal diagnosisPending

Does the diagnosis connect specific evidence to a mechanism?

First movePending

Is the action bounded, reversible, and close to the suspected cause?

VerificationPending

Does the plan name a before/after measure and a falsifier?

Reviewer note

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