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| Criterion |  Agile Three Amigos |  Operations 5 Whys |  Architecture ATAM (Architecture Tradeoff 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 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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. |
Complexitydifferent | Low | Low | High |
Timedifferent | 15-30 min | 15-30 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3 | 2-6 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Root cause notes, Countermeasures | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | Root causeIncidentLeanProblem solving | ArchitectureQualityRiskTradeoffsStakeholders |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
