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| Criterion |  Product Discovery Pretotyping |  Architecture Risk Storming |  Decision Making Assumption Surfacing |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | Stunden bis wenige Tage | 60-90 min | 45-90 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-4 | 4-12 | 2-8 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Annotated Diagram, Prioritized Risk List, Action Backlog | Assumption List, Critical Assumptions, Learning Plan | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | ValidationDemandMVP | RiskArchitectureWorkshopValidation | AssumptionsRiskDecisionDiscovery | ArchitectureEngineeringFeedbackValidationTasks |