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| Criterion |  Operations Bottleneck Analysis |  Operations Failure Mode and Effects Analysis |  Systems Thinking Current Reality Tree |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 1-3 h | 2-6 h | 2-6 h | 1-6 Wochen |
Participantsdifferent | 3-8 | 3-10 | 3-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | FMEA Table, Risk Priority, Mitigation Actions | Current Reality Tree, Core Problems, Intervention Ideas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | FlowMeasurementConstraints | RiskQualityOperationsRoot cause | Systems thinkingRoot causeConstraintsCausality | QualityProblem solvingRoot cause |