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| Criterion |  Operations Gemba Walk |  Operations Failure Mode and Effects Analysis |  Agile Specification by Example |
|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | High | Medium |
Timedifferent | 30-120 min | 2-6 h | 60-90 min pro Feature |
Participantsdifferent | 2-6 | 3-10 | 3-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | FMEA Table, Risk Priority, Mitigation Actions | Example Table, Acceptance Tests |
Tagsno overlap | LeanObservationProcessOperations | RiskQualityOperationsRoot cause | AgileRequirementsExamplesBehavior-Driven Development |
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