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| Criterion |  UX Research Diary Study |  Decision Making Constraint Analysis |  Decision Making Pre-Mortem |  Decision Making Decision Tree |
|---|---|---|---|---|
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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-4 Wochen | 30-90 min | 20–45 min | 30-90 min |
Participantsdifferent | 5-20 | 2-8 | Small cross-functional group | 1-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Risk list, Mitigation plan, Assumption log | Decision Tree, Option Map, Assumption List |
Tagsno overlap | UX researchTrackingBehavior | ConstraintsDecisionPlanningOptions | RiskDecisionFailurePlanning | DecisionTreeOptions |