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| Criterion |  UX Research Diary Study |  Innovation Design Sprint |  Product Discovery Pretotyping |  Product Discovery Smoke Test |
|---|---|---|---|---|
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 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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-4 Wochen | 4-5 Tage | Stunden bis wenige Tage | 1-5 Tage |
Participantsdifferent | 5-20 | 5-8 | 1-4 | Nutzertraffic |
Formatdifferent | Async | Workshop | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Prototype, Test Findings, Decision Rationale | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | UX researchTrackingBehavior | Design sprintPrototypeValidationInnovation | ValidationDemandMVP | ValidationExperimentsDemandGrowth |