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| Criterion |  UX Research User Interviews |  Business Strategy Value Chain Analysis |  Innovation Design Thinking |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. | 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. |
Complexitydifferent | Low | High | High | High |
Timedifferent | 30–60 min per interview | Half day | 1 Tag bis mehrere Wochen | Half day |
Participantsdifferent | 1 participant per interview | 3-8 | 4-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Value Chain Map, Lever List | Problem Statement, Prototype, Test Learnings | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | QualitativeResearchCustomerDiscovery | StrategyBusiness modelDiagnosisAnalysis | InnovationPrototypeResearch | StrategyBusiness modelRiskDiagnosis |