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Selected:Lean StartupArchitecture Decision RecordDesign ThinkingARID (Active Reviews for Intermediate Designs)
| Criterion |  Innovation Lean Startup |  Architecture Architecture Decision Record |  Innovation Design Thinking |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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 | Low | High | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 15-45 min | 1 Tag bis mehrere Wochen | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 2-8 | 1-3 | 4-10 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | ADR File, Decision Log, Rationale | Problem Statement, Prototype, Test Learnings | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | LeanStartupValidationMVP | ArchitectureRationaleDocumentationGovernance | InnovationPrototypeResearch | ArchitectureEngineeringFeedbackValidationTasks |