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| Criterion |  Operations Failure Mode and Effects Analysis |  Operations PDCA Cycle |  Decision Making Assumption Surfacing |  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. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Low |
Timedifferent | 2-6 h | 1 h bis mehrere Wochen | 45-90 min | 30-60 min |
Participantsdifferent | 3-10 | 1-8 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Assumption List, Critical Assumptions, Learning Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskQualityOperationsRoot cause | Continuous improvementLeanExperiments | AssumptionsRiskDecisionDiscovery | Root causeQualityOperations |