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| Criterion |  Delivery Value Stream Mapping |  Operations Kepner-Tregoe |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-3 h | 2-8 h | 30-120 min |
Participantsdifferent | 4-10 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Problem Analysis, Decision Analysis, Risk Plan | Observation Notes, Improvement Ideas |
Tagsno overlap | LeanFlowWasteDelivery | Problem solvingRoot causeDecisionOperations | LeanObservationProcessOperations |
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