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| Criterion |  UX Research Diary Study |  Product Strategy Lean Canvas |  Operations Kaizen Event |  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 an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | 45-90 min | 0.5-5 Tage | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 5-20 | 1-6 | 4-10 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Lean Canvas, Core Assumptions, Experiment Backlog | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | UX researchTrackingBehavior | StartupLeanAssumptionsBusiness model | LeanContinuous improvementOperations | LeanStartupValidationMVP |