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Selected:ATAM (Architecture Tradeoff Analysis Method)Fake Door TestHypothesis Prioritization CanvasTest Card
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Fake Door Test |  Product Discovery Hypothesis Prioritization Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
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 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. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-5 Tage | 60-90 min | 20-35 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | Nutzertraffic | 3-8 | 1-5 |
Formatdifferent | Workshop + async | Async | Workshop | 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 | Click Data, Interest Signal, Learning Decision | Prioritization Canvas, Hypothesis Backlog | Test Card with a pre-set threshold |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ValidationExperimentsDemandDiscovery | ExperimentsPrioritizationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |