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| Criterion |  Product Discovery Problem Interview |  Business Strategy Blue Ocean Strategy Canvas |  Innovation Design Thinking |  Product Discovery Solution Interview |
|---|---|---|---|---|
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 Blue Ocean Strategy Canvas shows how an offering is positioned relative to the market. Differentiation thereby becomes tangible in value factors instead of merely being claimed. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 2-4 h | 1 Tag bis mehrere Wochen | 30-60 min je Interview |
Participantsdifferent | 5-12 Interviews | 3-10 | 4-10 | 5-10 Interviews |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Strategy Canvas, Value Curve, ERRC Actions | Problem Statement, Prototype, Test Learnings | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | DiscoveryInterviewsValidation | StrategyPositioningInnovationValue | InnovationPrototypeResearch | ValidationInterviewsPrototype |