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| Criterion |  Innovation Lean Startup |  Architecture Architecture Decision Record |  Product Strategy Lean Canvas |  Architecture arc42 |
|---|---|---|---|---|
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. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 15-45 min | 45-90 min | 1-2 Tage |
Participantsdifferent | 2-8 | 1-3 | 1-6 | 1-4 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | ADR File, Decision Log, Rationale | Lean Canvas, Core Assumptions, Experiment Backlog | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | LeanStartupValidationMVP | ArchitectureRationaleDocumentationGovernance | StartupLeanAssumptionsBusiness model | ArchitectureDocumentationCommunication |