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| Criterion |  Systems Thinking Future Reality Tree |  Systems Thinking Evaporating Cloud |  Growth Hooked Model |  Growth North Star Metric |
|---|---|---|---|---|
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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | The Hooked Model helps clarify engagement loops, user behavior, and experiments. It makes repeat behavior measurable and captures the result as a hooked loop, trigger map, and reward design. | When product teams track many metrics, the view of the actual customer outcome easily gets lost. A North Star Metric bundles growth, usage, and value contribution into one signal that makes the system's direction visible. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 2-4 h | 60-120 min | Multiple workshops over several weeks | 1-2 h |
Participantsdifferent | 3-8 | 2-8 | 2-8 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Hooked loop, Trigger map, Reward design, Ethics check | North Star metric, Input metric tree, Measurement cadence |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | Theory of ConstraintsAssumptionsSystems thinking | GrowthBehaviorRetention | GrowthMetricsAlignmentRetention |