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| Criterion |  Product Strategy Lean Canvas |  Engineering Fault Isolation |  Operations Kaizen Event |  Engineering Hypothesis-Driven Troubleshooting |
|---|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 45-90 min | 30-180 min | 0.5-5 Tage | 30-240 min |
Participantsdifferent | 1-6 | 1-6 | 4-10 | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary |
Tagsno overlap | StartupLeanAssumptionsBusiness model | TroubleshootingDiagnosisEngineering | LeanContinuous improvementOperations | TroubleshootingProblem solvingDiagnosis |