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| Criterion |  UX Research Diary Study |  Operations Gemba Walk |  Innovation Lean Startup |
|---|---|---|---|
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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 30-120 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 5-20 | 2-6 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Observation Notes, Improvement Ideas | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | UX researchTrackingBehavior | LeanObservationProcessOperations | LeanStartupValidationMVP |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
