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| Criterion |  UX Research Diary Study |  Decision Making Decision Matrix |  Decision Making Decision Tree |  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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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 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 | 45-90 min | 30-90 min | 30-60 min |
Participantsdifferent | 5-20 | 2-8 | 1-6 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Decision Matrix, Scoring Rationale, Selected Option | Decision Tree, Option Map, Assumption List | ICE Table, Top Idea List |
Tagsno overlap | UX researchTrackingBehavior | DecisionCriteriaScoringTradeoffs | DecisionTreeOptions | PrioritizationScoringGrowthDecision |