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| Criterion |  Systems Thinking Future Reality Tree |  Product Strategy ICE Scoring |  Systems Thinking Evaporating Cloud |  Decision Making Decision Matrix |
|---|---|---|---|---|
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 ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 2-4 h | 30-60 min | 60-120 min | 45-90 min |
Participantsdifferent | 3-8 | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | ICE Table, Top Idea List | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | PrioritizationScoringGrowthDecision | Theory of ConstraintsAssumptionsSystems thinking | DecisionCriteriaScoringTradeoffs |