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| Criterion |  Systems Thinking Future Reality Tree |  Product Discovery Assumption Mapping |  Decision Making Pre-Mortem |
|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-4 h | 45-60 min | 20–45 min |
Participantsdifferent | 3-8 | 2-8 | Small cross-functional group |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Assumption map, Test backlog, Risk ranking | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | AssumptionsRiskExperimentsValidation | RiskDecisionFailurePlanning |
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