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Selected:Assumption MappingArchitecture Decision RecordARID (Active Reviews for Intermediate Designs)
| Criterion |  Product Discovery Assumption Mapping |  Architecture Architecture Decision Record |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-60 min | 15-45 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 2-8 | 1-3 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | ADR File, Decision Log, Rationale | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | AssumptionsRiskExperimentsValidation | ArchitectureRationaleDocumentationGovernance | ArchitectureEngineeringFeedbackValidationTasks |
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