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| Criterion |  Operations Standard Work Analysis |  Delivery Value Stream Mapping |  Operations Failure Mode and Effects Analysis |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Medium | High | Low |
Timedifferent | 1-3 h | 1-3 h | 2-6 h | 30-120 min |
Participantsdifferent | 2-6 | 4-10 | 3-10 | 2-6 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Current-state map, Future-state map, Bottleneck list | FMEA Table, Risk Priority, Mitigation Actions | Observation Notes, Improvement Ideas |
Tagsno overlap | LeanProcessQuality | LeanFlowWasteDelivery | RiskQualityOperationsRoot cause | LeanObservationProcessOperations |