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| Criterion |  Operations Failure Mode and Effects Analysis |  Product Discovery Smoke Test |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | 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. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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 | Low | Low |
Timedifferent | 2-6 h | 1-5 Tage | 30-60 min |
Participantsdifferent | 3-10 | Nutzertraffic | 2-8 |
Formatdifferent | Workshop | Async | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Interest Metrics, Conversion Signal, Learning Note | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskQualityOperationsRoot cause | ValidationExperimentsDemandGrowth | Root causeQualityOperations |
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