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| Criterion |  UX Research Diary Study |  Product Strategy ICE Scoring |  Product Discovery Smoke Test |  Delivery Cost of Delay |
|---|---|---|---|---|
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 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. | 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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 1-4 Wochen | 30-60 min | 1-5 Tage | 90-180 min |
Participantsdifferent | 5-20 | 2-8 | Nutzertraffic | 3-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | ICE Table, Top Idea List | Interest Metrics, Conversion Signal, Learning Note | CoD Table, Prioritization Sequence |
Tagsno overlap | UX researchTrackingBehavior | PrioritizationScoringGrowthDecision | ValidationExperimentsDemandGrowth | PrioritizationDeliveryEconomicsDecision |