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| Criterion |  Agile Three Amigos |  Operations Gemba Walk |  Agile Specification by Example |
|---|---|---|---|
Purposedifferent | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 15-30 min | 30-120 min | 60-90 min pro Feature |
Participantsdifferent | 3 | 2-6 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Observation Notes, Improvement Ideas | Example Table, Acceptance Tests |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | LeanObservationProcessOperations | AgileRequirementsExamplesBehavior-Driven Development |
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