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| Criterion |  Product Discovery Working Backwards |  Growth A/B Testing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Risk Storming |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | High | High | Low |
Timedifferent | 4-8 h, mehrere Iterationen | 1-4 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min |
Participantsdifferent | 2-6 | 1-6 | Evaluation team, architects, and relevant stakeholders | 4-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Future Press Release, FAQ, Vision Statement | Experiment results, Decision log, Learning summary | 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 | VisionNarrativeAlignment | ExperimentsGrowthAnalyticsValidation | ArchitectureQualityRiskTradeoffsStakeholders | RiskArchitectureWorkshopValidation |