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| Criterion |  Agile Specification by Example |  Agile Three Amigos |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
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. | 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. | 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 | Medium | Low | High |
Timedifferent | 60-90 min pro Feature | 15-30 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-6 | 3 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Example Table, Acceptance Tests | Clarified Story, Test Examples, Open Questions | 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 | AgileRequirementsExamplesBehavior-Driven Development | CollaborationBehavior-Driven DevelopmentQualityRefinement | ArchitectureQualityRiskTradeoffsStakeholders |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
