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| Criterion |  Operations Gemba Walk |  Operations Standard Work Analysis |  Agile Bucket System |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | 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 a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-120 min | 1-3 h | 30-90 min | 45-90 min |
Participantsdifferent | 2-6 | 2-6 | 3-12 | 2-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Bucketed Backlog, Relative Estimates, Split Candidates | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanObservationProcessOperations | LeanProcessQuality | EstimationBacklogRelative sizing | LeanProblem solvingCoachingOperations |