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| Criterion |  UX Research Diary Study |  Growth A/B Testing |  Business Strategy 5-Minuten VC-Check |  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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | 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 | High | Low | Medium |
Timedifferent | 1-4 Wochen | 1-4 Wochen | 5-15 min | 1-5 Tage |
Participantsdifferent | 5-20 | 1-6 | 1-5 | Nutzertraffic |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Experiment results, Decision log, Learning summary | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | UX researchTrackingBehavior | ExperimentsGrowthAnalyticsValidation | StartupValidationCompetition | ValidationExperimentsDemandDiscovery |