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Selected:Assumption SurfacingARID (Active Reviews for Intermediate Designs)Risk MatrixAssumption Mapping
| Criterion |  Decision Making Assumption Surfacing |  Architecture ARID (Active Reviews for Intermediate Designs) |  Decision Making Risk Matrix |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 45-90 min | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min | 45-60 min |
Participantsdifferent | 2-8 | Designers, developers as users, and facilitation | 3-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Risk Matrix, Top Risk List | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ArchitectureEngineeringFeedbackValidationTasks | RiskDecisionPrioritizationAssessment | AssumptionsRiskExperimentsValidation |