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| Criterion |  Operations A3 Problem Solving |  Agile Three Amigos |  Operations Gemba Walk |  Operations Standard Work Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 45-90 min | 15-30 min | 30-120 min | 1-3 h |
Participantsdifferent | 2-5 | 3 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Clarified Story, Test Examples, Open Questions | Observation Notes, Improvement Ideas | Standard Work Sheet, Deviation List, Improved Standard, Training Needs |
Tagsno overlap | LeanProblem solvingCoachingOperations | CollaborationBehavior-Driven DevelopmentQualityRefinement | LeanObservationProcessOperations | LeanProcessQuality |