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Selected:Constraint AnalysisATAM (Architecture Tradeoff Analysis Method)MVP Test MatrixFake Door Test
| Criterion |  Decision Making Constraint Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery MVP Test Matrix |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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 | Low | High | Medium | Medium |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 45-75 min | 1-5 Tage |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Test Matrix, Test Plan | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ConstraintsDecisionPlanningOptions | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsValidationDiscoveryOptions | ValidationExperimentsDemandDiscovery |