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| Criterion |  Product Discovery Solution Interview |  Product Discovery Test Card |  Architecture Architecture Inception 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 20-35 min | 1-2 h |
Participantsdifferent | 5-10 Interviews | 1-5 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Test Card with a pre-set threshold | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | ValidationInterviewsPrototype | ExperimentsValidationDiscoveryHypothesis | AlignmentArchitectureCanvas |
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