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| Criterion |  Operations Gemba Walk |  Agile Specification by Example |  Operations 5 Whys |
|---|---|---|---|
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 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-120 min | 60-90 min pro Feature | 15-30 min |
Participantsdifferent | 2-6 | 3-6 | 2-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Example Table, Acceptance Tests | Root cause notes, Countermeasures |
Tagsno overlap | LeanObservationProcessOperations | AgileRequirementsExamplesBehavior-Driven Development | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
