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| Criterion |  UX Research Diary Study |  Operations A3 Problem Solving |  UX Design Service Blueprinting |  Knowledge Modeling Event Modeling |
|---|---|---|---|---|
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 a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 1-4 Wochen | 45-90 min | 0.5-2 Tage | 2-6 h |
Participantsdifferent | 5-20 | 2-5 | 6-12 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | A3 Report, Action Plan, Root Cause Analysis | Service Blueprint, Fail Points, Ownership Map | Event Model, UI Flow, Commands, Read Models |
Tagsno overlap | UX researchTrackingBehavior | LeanProblem solvingCoachingOperations | Service designOperationsJourneyBlueprint | EventsBlueprintDomain-Driven DesignBehavior |