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| Criterion |  Operations A3 Problem Solving |  Systems Thinking Future Reality Tree |  Operations ABC Analysis |  Systems Thinking Evaporating Cloud |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 45-90 min | 2-4 h | 30-60 min | 60-120 min |
Participantsdifferent | 2-5 | 3-8 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | ABC Classification, Focus Rules, Control List | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments |
Tagsno overlap | LeanProblem solvingCoachingOperations | Theory of ConstraintsSystems thinkingChange | PrioritizationOperationsPortfolio | Theory of ConstraintsAssumptionsSystems thinking |