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| Criterion |  Agile Specification by Example |  Operations Root Cause Tree Analysis |  Operations 5 Whys |
|---|---|---|---|
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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 | Medium | Medium | Low |
Timedifferent | 60-90 min pro Feature | 1-3 h | 15-30 min |
Participantsdifferent | 3-6 | 2-8 | 2-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Example Table, Acceptance Tests | Cause Tree, Evidence Notes, Countermeasures | Root cause notes, Countermeasures |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | Root causeTreeIncidentQuality | Root causeIncidentLeanProblem solving |
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