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| Criterion |  Operations Failure Mode and Effects Analysis |  UX Research Surveys |  Operations 8D Problem Solving |  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 a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | Medium | High | Low |
Timedifferent | 2-6 h | 3-14 Tage | 1-6 Wochen | 30-60 min |
Participantsdifferent | 3-10 | 50+ | 4-10 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Survey Results, Charts, Segment Insights | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | RiskQualityOperationsRoot cause | QuantitativeResearchValidation | QualityProblem solvingRoot cause | Root causeQualityOperations |