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| Criterion |  Operations Kepner-Tregoe |  Operations 8D Problem Solving |  Operations Scatter Diagram |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | 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. |
Complexitydifferent | High | High | Low | High |
Timedifferent | 2-8 h | 1-6 Wochen | 30-90 min | 2-6 h |
Participantsdifferent | 2-8 | 4-10 | 1-4 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Scatter Plot, Korrelationsnotiz, Hypothesenliste | FMEA Table, Risk Priority, Mitigation Actions |
Tags1 shared | Problem solvingRoot causeDecisionOperations | QualityProblem solvingRoot cause | Root causeQualityVisualization | RiskQualityOperationsRoot cause |