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| Criterion |  Facilitation Dot Estimation |  Systems Thinking Future Reality Tree |  Systems Thinking Leverage Points |  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. | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | 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 | High | Low |
Timedifferent | 5-20 min | 2-4 h | Half day | 15-60 min |
Participantsdifferent | 3-20 | 3-8 | 3-12 | 2-9 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Leverage Map, Action Strategy | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | EstimationEffortRisk | Theory of ConstraintsSystems thinkingChange | Systems thinkingChangeStrategy | EstimationEffortAgile |