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| Criterion |  Innovation Design Sprint |  Growth A/B Testing |  Architecture Risk Storming |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. |
Complexitydifferent | High | High | Low | High |
Timedifferent | 4-5 Tage | 1-4 Wochen | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 5-8 | 1-6 | 4-12 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Prototype, Test Findings, Decision Rationale | Experiment results, Decision log, Learning summary | Annotated Diagram, Prioritized Risk List, Action Backlog | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | Design sprintPrototypeValidationInnovation | ExperimentsGrowthAnalyticsValidation | RiskArchitectureWorkshopValidation | ArchitectureQualityRiskTradeoffsStakeholders |