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| Criterion |  UX Research User Interviews |  Knowledge Modeling Event Modeling |  UX Design Customer Journey Canvas |  UX Design Service Blueprinting |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | 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. |
Complexitydifferent | Low | Medium | Medium | High |
Timedifferent | 30–60 min per interview | 2-6 h | 1-3 h | 0.5-2 Tage |
Participantsdifferent | 1 participant per interview | 2-8 | 3-10 | 6-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Event Model, UI Flow, Commands, Read Models | Customer Journey Canvas, Pain Points, Experience Opportunities | Service Blueprint, Fail Points, Ownership Map |
Tagsno overlap | QualitativeResearchCustomerDiscovery | EventsBlueprintDomain-Driven DesignBehavior | JourneyCustomerService designCanvas | Service designOperationsJourneyBlueprint |