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| Criterion |  Knowledge Modeling Event Modeling |  UX Research Diary Study |  Agile Three Amigos |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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. | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 2-6 h | 1-4 Wochen | 15-30 min | 1-6 Wochen |
Participantsdifferent | 2-8 | 5-20 | 3 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Diary Entries, Longitudinal Patterns, Experience Timeline | Clarified Story, Test Examples, Open Questions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | UX researchTrackingBehavior | CollaborationBehavior-Driven DevelopmentQualityRefinement | QualityProblem solvingRoot cause |