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| Criterion |  Operations 8D Problem Solving |  Systems Thinking Evaporating Cloud |  Systems Thinking Future Reality Tree |
|---|---|---|---|
Purposedifferent | 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. |
Complexitydifferent | High | Medium | High |
Timedifferent | 1-6 Wochen | 60-120 min | 2-4 h |
Participantsdifferent | 4-10 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | QualityProblem solvingRoot cause | Theory of ConstraintsAssumptionsSystems thinking | Theory of ConstraintsSystems thinkingChange |
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