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| Criterion |  UX Research Diary Study |  Systems Thinking Evaporating Cloud |  Operations Barrier Analysis |  Systems Thinking Current Reality 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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 1-4 Wochen | 60-120 min | 2-4 h | 2-6 h |
Participantsdifferent | 5-20 | 2-8 | 2-6 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | UX researchTrackingBehavior | Theory of ConstraintsAssumptionsSystems thinking | Root causeSafetyIncident | Systems thinkingRoot causeConstraintsCausality |