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| Criterion |  Facilitation Dot Estimation |  Engineering Kanban |  Systems Thinking Current Reality Tree |  Operations Bottleneck Analysis |
|---|---|---|---|---|
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. | When work sits in too many parallel streams, throughput suffers and no one sees the bottlenecks. Kanban makes the flow of work visible and limits overload so a system becomes calmer and more predictable. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 5-20 min | Ongoing | 2-6 h | 1-3 h |
Participantsdifferent | 3-20 | 2-12 | 3-8 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Kanban board, WIP policies, Flow metrics | Current Reality Tree, Core Problems, Intervention Ideas | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures |
Tagsno overlap | EstimationEffortRisk | FlowVisual managementDelivery | Systems thinkingRoot causeConstraintsCausality | FlowMeasurementConstraints |