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Selected:Lean CanvasSAAM (Software Architecture Analysis Method)Lean StartupARID (Active Reviews for Intermediate Designs)
| Criterion |  Product Strategy Lean Canvas |  Architecture SAAM (Software Architecture Analysis Method) |  Innovation Lean Startup |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | 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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | 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. | 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 | Medium |
Timedifferent | 45-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | Wochen bis Monate je Lernzyklus | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-6 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureChangeAnalysisComparisonQuality | LeanStartupValidationMVP | ArchitectureEngineeringFeedbackValidationTasks |