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Selected:Architecture Communication CanvasExperiment CanvasATAM (Architecture Tradeoff Analysis Method)Test Card
| Criterion |  Architecture Architecture Communication Canvas |  Product Discovery Experiment Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 60-120 min | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 20-35 min |
Participantsdifferent | 2-8 | 1-5 | Evaluation team, architects, and relevant stakeholders | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Completed Experiment Canvas, Success Metric | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Test Card with a pre-set threshold |
Tagsno overlap | ArchitectureCommunicationStakeholdersCanvas | ExperimentsValidationDiscoveryHypothesis | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsValidationDiscoveryHypothesis |