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| Criterion |  Operations Waste Analysis |  Facilitation Dot Estimation |  Systems Thinking Future Reality Tree |
|---|---|---|---|
Purposedifferent | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | 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. |
Complexitydifferent | Low | Low | High |
Timedifferent | 45-120 min | 5-20 min | 2-4 h |
Participantsdifferent | 2-8 | 3-20 | 3-8 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | Effort Heatmap, Risk Signals, Discussion Targets | Future Reality Tree, Negative Branches, Assumption List, Improved Injections |
Tagsno overlap | WasteLeanProcess improvement | EstimationEffortRisk | Theory of ConstraintsSystems thinkingChange |
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