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| Criterion |  Operations 5 Whys |  Agile Acceptance Criteria Workshop |  Agile Specification by Example |
|---|---|---|---|
Purposedifferent | 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. | When a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. | 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 | 20-40 min pro Story | 60-90 min pro Feature |
Participantsdifferent | 2-6 | 3-6 | 3-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Acceptance Criteria, Story Update | Example Table, Acceptance Tests |
Tagsno overlap | Root causeIncidentLeanProblem solving | AgileRequirementsRefinementBehavior-Driven Development | AgileRequirementsExamplesBehavior-Driven Development |
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