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| Criterion |  UX Research Diary Study |  Decision Making Assumption Surfacing |  Business Strategy Value Chain Analysis |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | 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 | Low | High | High |
Timedifferent | 1-4 Wochen | 45-90 min | Half day | Half day |
Participantsdifferent | 5-20 | 2-8 | 3-8 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Assumption List, Critical Assumptions, Learning Plan | Value Chain Map, Lever List | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | UX researchTrackingBehavior | AssumptionsRiskDecisionDiscovery | StrategyBusiness modelDiagnosisAnalysis | StrategyBusiness modelRiskDiagnosis |