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| Criterion |  Facilitation Dot Estimation |  Systems Thinking Future Reality Tree |  Systems Thinking Evaporating Cloud |  Agile Ideal Days |
|---|---|---|---|---|
Purposedifferent | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | 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. | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 5-20 min | 2-4 h | 60-120 min | 15-60 min |
Participantsdifferent | 3-20 | 3-8 | 2-8 | 2-9 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | EstimationEffortRisk | Theory of ConstraintsSystems thinkingChange | Theory of ConstraintsAssumptionsSystems thinking | EstimationEffortAgile |