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Selected:Specification by ExampleAcceptance Criteria WorkshopARID (Active Reviews for Intermediate Designs)Three Amigos
| Criterion |  Agile Specification by Example |  Agile Acceptance Criteria Workshop |  Architecture ARID (Active Reviews for Intermediate Designs) |  Agile Three Amigos |
|---|---|---|---|---|
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 a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 60-90 min pro Feature | 20-40 min pro Story | 2–4 h review as a planning range; preparation and evaluation additional | 15-30 min |
Participantsdifferent | 3-6 | 3-6 | Designers, developers as users, and facilitation | 3 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Example Table, Acceptance Tests | Acceptance Criteria, Story Update | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Clarified Story, Test Examples, Open Questions |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | AgileRequirementsRefinementBehavior-Driven Development | ArchitectureEngineeringFeedbackValidationTasks | CollaborationBehavior-Driven DevelopmentQualityRefinement |