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| Criterion |  UX Research Diary Study |  Systems Thinking Future Reality Tree |  Decision Making Constraint 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. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. | 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 | High | Low | High |
Timedifferent | 1-4 Wochen | 2-4 h | 30-90 min | 2-6 h |
Participantsdifferent | 5-20 | 3-8 | 2-8 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | UX researchTrackingBehavior | Theory of ConstraintsSystems thinkingChange | ConstraintsDecisionPlanningOptions | Systems thinkingRoot causeConstraintsCausality |