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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Growth Funnel Analysis |  Product Discovery Riskiest Assumption 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 h | 1-2 Wochen pro Iteration |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-5 | 2-6 |
Formatdifferent | Workshop + async | 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 | Funnel report, Drop-off analysis, Optimization hypotheses | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | AnalyticsConversionGrowth | ExperimentsValidationDiscoveryAssumptions |
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