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| Criterion |  Systems Thinking Future Reality Tree |  Architecture Request for Comments |  Systems Thinking Evaporating Cloud |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | 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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | 2-4 h | 1-3 Wochen vom Draft bis zur Entscheidung | 60-120 min | 45-90 min |
Participantsdifferent | 3-8 | 3-20 Reviewer | 2-8 | 2-8 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ArchitectureDecisionAsyncGovernance | Theory of ConstraintsAssumptionsSystems thinking | AssumptionsRiskDecisionDiscovery |