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| Criterion |  Product Strategy Product Canvas |  Architecture Architecture Decision Record |  Product Discovery Test Card |  UX Design Lean UX Canvas |
|---|---|---|---|---|
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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-2 h | 15-45 min | 20-35 min | 2-3 h |
Participantsdifferent | 2-8 | 1-3 | 1-5 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | ADR File, Decision Log, Rationale | Test Card with a pre-set threshold | Completed Lean UX Canvas, Hypothesis list, First experiment |
Tagsno overlap | CanvasDiscoveryScope | ArchitectureRationaleDocumentationGovernance | ExperimentsValidationDiscoveryHypothesis | CanvasHypothesisOutcomesDiscovery |