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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Innovation Lean Startup |  Product Discovery Assumption Mapping |  Product Strategy Lean Canvas |
|---|---|---|---|---|
Purposedifferent | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | Wochen bis Monate je Lernzyklus | 45-60 min | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 2-8 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Assumption map, Test backlog, Risk ranking | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | LeanStartupValidationMVP | AssumptionsRiskExperimentsValidation | StartupLeanAssumptionsBusiness model |