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| Criterion |  UX Research Diary Study |  Decision Making Risk Matrix |  Product Discovery Smoke Test |  Product Strategy ICE Scoring |
|---|---|---|---|---|
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 a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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 ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-4 Wochen | 30-60 min | 1-5 Tage | 30-60 min |
Participantsdifferent | 5-20 | 3-10 | Nutzertraffic | 2-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Risk Matrix, Top Risk List | Interest Metrics, Conversion Signal, Learning Note | ICE Table, Top Idea List |
Tagsno overlap | UX researchTrackingBehavior | RiskDecisionPrioritizationAssessment | ValidationExperimentsDemandGrowth | PrioritizationScoringGrowthDecision |