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Selected:ATAM (Architecture Tradeoff Analysis Method)Assumption MappingShape-First ModelingA/B Testing
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Assumption Mapping |  Knowledge Modeling Shape-First Modeling |  Growth A/B Testing |
|---|---|---|---|---|
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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | Shape-First Modeling defines data quality through shapes before implementation or integration frays at the edges. The approach fits when validation and data contracts should be part of the design from the start. | 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. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-60 min | Halber Tag pro Domain Slice | 1-4 Wochen |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 1-4 | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + 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 | Assumption map, Test backlog, Risk ranking | SHACL or ShEx Shapes, Validation Reports, Data Contracts, Shape Documentation | Experiment results, Decision log, Learning summary |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskExperimentsValidation | Knowledge graphValidationSemantic | ExperimentsGrowthAnalyticsValidation |