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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Operations A3 Problem Solving |  Growth Flywheel |  Engineering Fault Isolation |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | Growth often breaks down where a reinforcing mechanism builds up too much friction. A Flywheel shows the cycle of value, repetition, and reinforcement meant to sustain growth. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-240 min | 45-90 min | 60-120 min | 30-180 min |
Participantsdifferent | 1-6 | 2-5 | 3-8 | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | A3 Report, Action Plan, Root Cause Analysis | Flywheel Map, Friction Points, Growth Levers, Experiment Backlog | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | LeanProblem solvingCoachingOperations | GrowthRetentionConversion | TroubleshootingDiagnosisEngineering |