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| Criterion |  Facilitation Dot Estimation |  Decision Making Wideband Delphi |  Systems Thinking Future Reality Tree |
|---|---|---|---|
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 single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | 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. |
Complexitydifferent | Low | High | High |
Timedifferent | 5-20 min | 1-4 h or multiple rounds | 2-4 h |
Participantsdifferent | 3-20 | 4-12 Experten | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Estimate Range, Assumption Log, Expert Consensus Notes | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | EstimationEffortRisk | EstimationExpertsForecasting | Theory of ConstraintsSystems thinkingChange |
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