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| Criterion |  UX Research Diary Study |  Operations PDCA Cycle |  Operations After-Action Review |
|---|---|---|---|
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. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 1 h bis mehrere Wochen | 20-45 min |
Participantsdifferent | 5-20 | 1-8 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Lessons learned, Action items, Event summary |
Tagsno overlap | UX researchTrackingBehavior | Continuous improvementLeanExperiments | LearningOperationsImprovement |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
