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| Criterion |  Agile Three Amigos |  Agile Specification by Example |  Operations 8D Problem Solving |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | 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 acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 15-30 min | 60-90 min pro Feature | 1-6 Wochen | 1-4 h |
Participantsdifferent | 3 | 3-6 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Example Table, Acceptance Tests | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | AgileRequirementsExamplesBehavior-Driven Development | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident |