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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Business Strategy 5-Minuten VC-Check |  Operations Change Analysis |  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. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-240 min | 5-15 min | 45-120 min | 30-180 min |
Participantsdifferent | 1-6 | 1-5 | 2-6 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | StartupValidationCompetition | ChangeRoot causeTroubleshootingComparison | TroubleshootingDiagnosisEngineering |