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| Criterion |  Operations Process Mapping |  Operations Change Analysis |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 | Low |
Timedifferent | 1-3 h | 45-120 min | 30-120 min |
Participantsdifferent | 3-10 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Observation Notes, Improvement Ideas |
Tagsno overlap | ProcessOperationsImprovement | ChangeRoot causeTroubleshootingComparison | LeanObservationProcessOperations |
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