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| Criterion |  Systems Thinking Evaporating Cloud |  Operations 8D Problem Solving |  Operations Change Analysis |  Systems Thinking Future Reality Tree |
|---|---|---|---|---|
Purposedifferent | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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 deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | Medium | High | Medium | High |
Timedifferent | 60-120 min | 1-6 Wochen | 45-120 min | 2-4 h |
Participantsdifferent | 2-8 | 4-10 | 2-6 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | Theory of ConstraintsAssumptionsSystems thinking | QualityProblem solvingRoot cause | ChangeRoot causeTroubleshootingComparison | Theory of ConstraintsSystems thinkingChange |