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| Criterion |  Agile Three Amigos |  Operations Change Analysis |  Operations Root Cause Analysis |  Architecture SAAM (Software Architecture Analysis Method) |
|---|---|---|---|---|
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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 15-30 min | 45-120 min | 1-4 h | Preparation, scenario analysis, and findings review; effort depends on scope |
Participantsdifferent | 3 | 2-6 | 3-8 | Architecture experts and stakeholders for scenarios and weighting |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | ChangeRoot causeTroubleshootingComparison | Root causeProblem solvingQualityIncident | ArchitectureChangeAnalysisComparisonQuality |