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| Criterion |  UX Research Diary Study |  Decision Making Decision Tree |  Product Discovery Smoke Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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 decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-4 Wochen | 30-90 min | 1-5 Tage | 45-75 min |
Participantsdifferent | 5-20 | 1-6 | Nutzertraffic | 2-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Decision Tree, Option Map, Assumption List | Interest Metrics, Conversion Signal, Learning Note | Test Matrix, Test Plan |
Tagsno overlap | UX researchTrackingBehavior | DecisionTreeOptions | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryOptions |