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| Criterion |  Architecture Architecture Decision Record |  Product Discovery Solution Interview |  Product Discovery Concierge MVP |  Product Discovery Problem Interview |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 15-45 min | 30-60 min je Interview | 1-4 Wochen | 30-60 min je Interview |
Participantsdifferent | 1-3 | 5-10 Interviews | 3-10 Kunden | 5-12 Interviews |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Solution Feedback, Objection List, Validation Notes | Concierge Learnings, Service Blueprint, MVP Risks | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ValidationInterviewsPrototype | MVPValidationServiceDiscovery | DiscoveryInterviewsValidation |