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| Criterion |  Operations Failure Mode and Effects Analysis |  Operations Eat the Frog |  Operations 8D Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | High | Low | High | High |
Timedifferent | 2-6 h | 15-90 min daily | 1-6 Wochen | 2-8 h |
Participantsdifferent | 3-10 | 1 | 4-10 | 2-8 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Priority Task, Completion Note, Daily Focus | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | RiskQualityOperationsRoot cause | PrioritizationProductivityFocusExecution | QualityProblem solvingRoot cause | Problem solvingRoot causeDecisionOperations |