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| Criterion |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |  Engineering Hypothesis-Driven Troubleshooting |
|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 45-90 min | 2-8 h | 30-240 min |
Participantsdifferent | 2-5 | 2-8 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary |
Tags1 shared | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations | TroubleshootingProblem solvingDiagnosis |
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