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| Criterion |  UX Research Diary Study |  Innovation Lean Startup |  Innovation Design Sprint |
|---|---|---|---|
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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 1-4 Wochen | Wochen bis Monate je Lernzyklus | 4-5 Tage |
Participantsdifferent | 5-20 | 2-8 | 5-8 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | UX researchTrackingBehavior | LeanStartupValidationMVP | Design sprintPrototypeValidationInnovation |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
