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| Criterion |  UX Research Diary Study |  Knowledge Modeling IBIS |  Product Strategy RICE Scoring |  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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | 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 | Medium | Medium | Low |
Timedifferent | 1-4 Wochen | 1-3 h | 60-90 min | 30-60 min |
Participantsdifferent | 5-20 | 2-8 | 2-10 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Issue Map, Positions, Argument Notes | RICE Scores, Ranked List, Assumption Log | ICE Table, Top Idea List |
Tagsno overlap | UX researchTrackingBehavior | RationaleKnowledgeDecision | PrioritizationScoringRoadmapTradeoffs | PrioritizationScoringGrowthDecision |