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| Criterion |  UX Research Empathy Mapping |  Knowledge Modeling Event Modeling |  Operations Barrier Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30–60 min | 2-6 h | 2-4 h | 15-30 min |
Participantsdifferent | 4-8 | 2-8 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Event Model, UI Flow, Commands, Read Models | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Root cause notes, Countermeasures |
Tagsno overlap | SynthesisQualitativeWorkshop | EventsBlueprintDomain-Driven DesignBehavior | Root causeSafetyIncident | Root causeIncidentLeanProblem solving |