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| Criterion |  Operations Failure Mode and Effects Analysis |  Facilitation World Café |  Operations Root Cause Analysis |
|---|---|---|---|
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 a group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-6 h | 60-180 min | 1-4 h |
Participantsdifferent | 3-10 | 12-100+ | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Table Notes, Emergent Themes, Shared Questions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | RiskQualityOperationsRoot cause | FacilitationDialogueLarge groupSensemaking | Root causeProblem solvingQualityIncident |
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