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| Criterion |  UX Research Diary Study |  Operations ALPEN Method |  Systems Thinking Current Reality Tree |  Decision Making Constraint Analysis |
|---|---|---|---|---|
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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-4 Wochen | 10-20 min daily | 2-6 h | 30-90 min |
Participantsdifferent | 5-20 | 1 | 3-8 | 2-8 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Daily Plan, Time Estimates, Review Notes | Current Reality Tree, Core Problems, Intervention Ideas | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries |
Tagsno overlap | UX researchTrackingBehavior | PlanningTime managementProductivityOperations | Systems thinkingRoot causeConstraintsCausality | ConstraintsDecisionPlanningOptions |