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| Criterion |  Innovation Lean Startup |  UX Research Surveys |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Risk Storming |
|---|---|---|---|---|
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. | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 3-14 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min |
Participantsdifferent | 2-8 | 50+ | Evaluation team, architects, and relevant stakeholders | 4-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Survey Results, Charts, Segment Insights | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | LeanStartupValidationMVP | QuantitativeResearchValidation | ArchitectureQualityRiskTradeoffsStakeholders | RiskArchitectureWorkshopValidation |