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| Criterion |  Product Discovery Solution Interview |  Business Strategy Business Model Canvas |  Product Discovery Problem Interview |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
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 Business Model Canvas condenses a business model to its key building blocks and assumptions. It makes variants quickly comparable and reveals gaps before validation or implementation begins. | 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. | 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 | 1-2 h | 30-60 min je Interview | Half day |
Participantsdifferent | 5-10 Interviews | 2-8 | 5-12 Interviews | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Business Model Canvas, Assumption List, Business Hypotheses | Problem Evidence, Risk Notes, Customer Segments | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | ValidationInterviewsPrototype | Business modelStrategyValueInnovation | DiscoveryInterviewsValidation | StrategyBusiness modelRiskDiagnosis |