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| Criterion |  Product Strategy Product Canvas |  Product Discovery Experiment Canvas |  Architecture Architecture Communication Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 h | 30-60 min | 60-120 min | 20-35 min |
Participantsdifferent | 2-8 | 1-5 | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Completed Experiment Canvas, Success Metric | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Test Card with a pre-set threshold |
Tagsno overlap | CanvasDiscoveryScope | ExperimentsValidationDiscoveryHypothesis | ArchitectureCommunicationStakeholdersCanvas | ExperimentsValidationDiscoveryHypothesis |