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| Criterion |  Product Discovery Solution Interview |  Product Discovery Test Card |  Architecture Architecture Inception Canvas |  UX Design Lean UX Canvas |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | 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 | 30-60 min je Interview | 20-35 min | 1-2 h | 2-3 h |
Participantsdifferent | 5-10 Interviews | 1-5 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Test Card with a pre-set threshold | Inception Canvas, Risks, Goal List, Open Questions | Completed Lean UX Canvas, Hypothesis list, First experiment |
Tagsno overlap | ValidationInterviewsPrototype | ExperimentsValidationDiscoveryHypothesis | AlignmentArchitectureCanvas | CanvasHypothesisOutcomesDiscovery |