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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Growth Funnel Analysis |  Product Discovery Fake Door Test |
|---|---|---|---|
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. | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 h | 1-5 Tage |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Async | 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 | Funnel report, Drop-off analysis, Optimization hypotheses | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | AnalyticsConversionGrowth | ValidationExperimentsDemandDiscovery |
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