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| Criterion |  Product Discovery Solution Interview |  Innovation Design Thinking |  Business Strategy Business Model Stress Test |  Business Strategy Value Chain Analysis |
|---|---|---|---|---|
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. | 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. | 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. | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 30-60 min je Interview | 1 Tag bis mehrere Wochen | Half day | Half day |
Participantsdifferent | 5-10 Interviews | 4-10 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Statement, Prototype, Test Learnings | Stress Test Report, Action Plan per Scenario | Value Chain Map, Lever List |
Tagsno overlap | ValidationInterviewsPrototype | InnovationPrototypeResearch | StrategyBusiness modelRiskDiagnosis | StrategyBusiness modelDiagnosisAnalysis |