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| Criterion |  Product Discovery Assumption Mapping |  Innovation Design Sprint |  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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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 | High | Medium |
Timedifferent | 45-60 min | 4-5 Tage | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 2-8 | 5-8 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Prototype, Test Findings, Decision Rationale | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tags1 shared | AssumptionsRiskExperimentsValidation | Design sprintPrototypeValidationInnovation | ArchitectureEngineeringFeedbackValidationTasks |
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