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| Criterion |  Operations Gemba Walk |  Operations Ivy Lee Method |  Operations After-Action Review |
|---|---|---|---|
Purposedifferent | 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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-120 min | 5-10 min daily | 20-45 min |
Participantsdifferent | 2-6 | 1 | 3-12 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Daily Priority List, Completion Notes | Lessons learned, Action items, Event summary |
Tagsno overlap | LeanObservationProcessOperations | PrioritizationProductivityExecution | LearningOperationsImprovement |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
