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| Criterion |  Decision Making Risk Matrix |  Product Discovery Assumption Mapping |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
Purposedifferent | 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. | 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 | Low | Medium | Medium |
Timedifferent | 30-60 min | 45-60 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 3-10 | 2-8 | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Risk Matrix, Top Risk List | Assumption map, Test backlog, Risk ranking | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | RiskDecisionPrioritizationAssessment | AssumptionsRiskExperimentsValidation | ArchitectureEngineeringFeedbackValidationTasks |
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