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Selected:Design ThinkingAssumption SurfacingARID (Active Reviews for Intermediate Designs)Design Sprint
| Criterion |  Innovation Design Thinking |  Decision Making Assumption Surfacing |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 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. |
Complexitydifferent | High | Low | Medium | High |
Timedifferent | 1 Tag bis mehrere Wochen | 45-90 min | 2–4 h review as a planning range; preparation and evaluation additional | 4-5 Tage |
Participantsdifferent | 4-10 | 2-8 | Designers, developers as users, and facilitation | 5-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Assumption List, Critical Assumptions, Learning Plan | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | InnovationPrototypeResearch | AssumptionsRiskDecisionDiscovery | ArchitectureEngineeringFeedbackValidationTasks | Design sprintPrototypeValidationInnovation |