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| Criterion |  Agile NoEstimates |  Facilitation Dot Estimation |  Systems Thinking Future Reality Tree |  Agile Ideal Days |
|---|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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. | 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 | Medium | Low | High | Low |
Timedifferent | laufend | 5-20 min | 2-4 h | 15-60 min |
Participantsdifferent | 2-12 | 3-20 | 3-8 | 2-9 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Effort Heatmap, Risk Signals, Discussion Targets | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | EstimationForecastingFlow | EstimationEffortRisk | Theory of ConstraintsSystems thinkingChange | EstimationEffortAgile |