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| Criterion |  UX Research Diary Study |  Product Discovery Smoke Test |  Business Strategy VRIO Framework |  Product Discovery Fake Door 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. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | The VRIO Framework rates resources and capabilities on whether they are Valuable, Rare, Inimitable, and Organized. It compares strengths, risks, market logic, and courses of action. The result is captured as a VRIO table and strategic actions. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 1-5 Tage | 90-180 min | 1-5 Tage |
Participantsdifferent | 5-20 | Nutzertraffic | 3-6 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Interest Metrics, Conversion Signal, Learning Note | VRIO Table, Strategic Actions | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | UX researchTrackingBehavior | ValidationExperimentsDemandGrowth | StrategyDiagnosisBusiness modelCapability | ValidationExperimentsDemandDiscovery |