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| Criterion |  Agile Specification by Example |  Operations Causal Factor 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 an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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 | High | Low |
Timedifferent | 60-90 min pro Feature | 2-6 h | 15-30 min |
Participantsdifferent | 3-6 | 3-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Example Table, Acceptance Tests | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Root cause notes, Countermeasures |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | CausalityIncidentRoot causeTimeline | Root causeIncidentLeanProblem solving |
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