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| Criterion |  Engineering Failure Scenario Analysis |  Systems Thinking Future Reality Tree |  Decision Making Assumption Surfacing |  Systems Thinking Evaporating Cloud |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | 1-3 h | 2-4 h | 45-90 min | 60-120 min |
Participantsdifferent | 3-8 | 3-8 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Assumption List, Critical Assumptions, Learning Plan | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments |
Tagsno overlap | FailureResilienceRisk | Theory of ConstraintsSystems thinkingChange | AssumptionsRiskDecisionDiscovery | Theory of ConstraintsAssumptionsSystems thinking |