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Selected:Request for CommentsARID (Active Reviews for Intermediate Designs)Assumption SurfacingAssumption Mapping
| Criterion |  Architecture Request for Comments |  Architecture ARID (Active Reviews for Intermediate Designs) |  Decision Making Assumption Surfacing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 2–4 h review as a planning range; preparation and evaluation additional | 45-90 min | 45-60 min |
Participantsdifferent | 3-20 Reviewer | Designers, developers as users, and facilitation | 2-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Assumption List, Critical Assumptions, Learning Plan | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | ArchitectureEngineeringFeedbackValidationTasks | AssumptionsRiskDecisionDiscovery | AssumptionsRiskExperimentsValidation |