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| Criterion |  Agile Specification by Example |  Operations Gemba Walk |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 60-90 min pro Feature | 30-120 min | 2-6 h | 30-60 min |
Participantsdifferent | 3-6 | 2-6 | 3-10 | 2-8 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Example Table, Acceptance Tests | Observation Notes, Improvement Ideas | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | LeanObservationProcessOperations | RiskQualityOperationsRoot cause | Root causeQualityOperations |