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| Criterion |  Architecture Architecture Decision Record |  Decision Making Decision Rights Mapping |  Agile Specification by Example |
|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-45 min | 90-180 min | 60-90 min pro Feature |
Participantsdifferent | 1-3 | 4-12 | 3-6 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Decision Rights Matrix, Agreement | Example Table, Acceptance Tests |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | DecisionGovernanceAlignmentResponsibility | AgileRequirementsExamplesBehavior-Driven Development |
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