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| Criterion |  Product Discovery Problem Interview |  UX Research User Interviews |  Architecture Software Architecture Canvas |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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 | Low |
Timedifferent | 30-60 min je Interview | 30–60 min per interview | 1-2 h | 1-2 h |
Participantsdifferent | 5-12 Interviews | 1 participant per interview | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Interview Notes, Themes, Insight Summary | Architecture Canvas, Goals, Constraints, Quality Attributes | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | DiscoveryInterviewsValidation | QualitativeResearchCustomerDiscovery | CanvasArchitectureAlignmentWorkshop | AlignmentArchitectureCanvas |