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| Criterion |  Product Discovery Problem Interview |  Business Strategy VRIO Framework |  Product Discovery Solution Interview |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
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. | The VRIO Framework rates resources and capabilities on whether they are Valuable, Rare, Inimitable, and Organized. It compares strengths, risks, market logic, and courses of action. The result is captured as a VRIO table and strategic actions. | 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | 90-180 min | 30-60 min je Interview | Half day |
Participantsdifferent | 5-12 Interviews | 3-6 | 5-10 Interviews | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | VRIO Table, Strategic Actions | Solution Feedback, Objection List, Validation Notes | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | DiscoveryInterviewsValidation | StrategyDiagnosisBusiness modelCapability | ValidationInterviewsPrototype | StrategyBusiness modelRiskDiagnosis |