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| Criterion |  Systems Thinking Current Reality Tree |  Operations Failure Mode and Effects Analysis |  Systems Thinking Causal Loop Diagram |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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 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 Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | 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 | High | High | Medium | High |
Timedifferent | 2-6 h | 2-6 h | 1-3 h | 1-6 Wochen |
Participantsdifferent | 3-8 | 3-10 | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Current Reality Tree, Core Problems, Intervention Ideas | FMEA Table, Risk Priority, Mitigation Actions | Causal Loop Diagram, Feedback Notes, Leverage Points | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Systems thinkingRoot causeConstraintsCausality | RiskQualityOperationsRoot cause | FeedbackSystems thinkingCausalityDynamics | QualityProblem solvingRoot cause |