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| Criterion |  Knowledge Modeling Event Modeling |  UX Research Diary Study |  Operations Fishbone Diagram |  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 a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | 30-60 min | 1-6 Wochen |
Participantsdifferent | 2-8 | 5-20 | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Diary Entries, Longitudinal Patterns, Experience Timeline | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | UX researchTrackingBehavior | Root causeQualityOperations | QualityProblem solvingRoot cause |