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| Criterion |  UX Research Diary Study |  Innovation Lean Startup |  UX Research Contextual Inquiry |  Business Strategy 5-Minuten VC-Check |
|---|---|---|---|---|
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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | When work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | Wochen bis Monate je Lernzyklus | 1-3 Wochen | 5-15 min |
Participantsdifferent | 5-20 | 2-8 | 4-12 Beobachtungen | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Field Notes, Workflow Insights, Pain Points | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step |
Tagsno overlap | UX researchTrackingBehavior | LeanStartupValidationMVP | UX researchObservationContext | StartupValidationCompetition |