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| Criterion |  Agile T-Shirt Sizing |  Delivery Value Stream Mapping |  Facilitation Dot Estimation |  Engineering Kanban |
|---|---|---|---|---|
Purposedifferent | When effort only needs to be classified roughly, it makes comparability more important than false precision. It helps sort work quickly into manageable sizes. | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-45 min | 1-3 h | 5-20 min | Ongoing |
Participantsdifferent | 2-12 | 4-10 | 3-20 | 2-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Size Buckets, Rough Backlog Map, Split Candidates | Current-state map, Future-state map, Bottleneck list | Effort Heatmap, Risk Signals, Discussion Targets | Kanban board, WIP policies, Flow metrics |
Tagsno overlap | EstimationAgileRoadmap | LeanFlowWasteDelivery | EstimationEffortRisk | FlowVisual managementDelivery |