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| Criterion |  Operations Fault Tree Analysis |  Operations Failure Mode and Effects Analysis |  Business Strategy 5-Minuten VC-Check |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | High | High | Low | Low |
Timedifferent | 2-6 h | 2-6 h | 5-15 min | 30-60 min |
Participantsdifferent | 3-8 | 3-10 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | FMEA Table, Risk Priority, Mitigation Actions | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskRoot causeSafety | RiskQualityOperationsRoot cause | StartupValidationCompetition | Root causeQualityOperations |