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| Criterion |  UX Research Diary Study |  Innovation Lean Startup |  Product Strategy Impact Mapping |  Product Strategy Lean Canvas |
|---|---|---|---|---|
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 a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-4 Wochen | Wochen bis Monate je Lernzyklus | 45-90 min | 45-90 min |
Participantsdifferent | 5-20 | 2-8 | 3-8 | 1-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Impact Map, Outcome Hypotheses, Delivery Options | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | UX researchTrackingBehavior | LeanStartupValidationMVP | OutcomesStrategyBehaviorPlanning | StartupLeanAssumptionsBusiness model |