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| Criterion |  UX Research Diary Study |  Operations Eat the Frog |  Operations 5 Whys |  Decision Making Pareto 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-4 Wochen | 15-90 min daily | 15-30 min | 30-60 min |
Participantsdifferent | 5-20 | 1 | 2-6 | 1-6 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Priority Task, Completion Note, Daily Focus | Root cause notes, Countermeasures | Pareto Chart, Top Causes, Focus List |
Tagsno overlap | UX researchTrackingBehavior | PrioritizationProductivityFocusExecution | Root causeIncidentLeanProblem solving | PrioritizationQualityFocusRoot cause |