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| Criterion |  Operations A3 Problem Solving |  Facilitation Decision Jam |  Engineering Fault Isolation |  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. | When a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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 | Low | Medium | Medium |
Timedifferent | 45-90 min | 60-90 min | 30-180 min | 30-240 min |
Participantsdifferent | 2-5 | 4-10 | 1-6 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Problem Cluster, Prioritized Challenge, Experiment | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary |
Tagsno overlap | LeanProblem solvingCoachingOperations | FacilitationDecisionProblem solvingWorkshop | TroubleshootingDiagnosisEngineering | TroubleshootingProblem solvingDiagnosis |