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| Criterion |  UX Research User Interviews |  Systems Thinking Current Reality Tree |  Operations MORT Analysis |
|---|---|---|---|
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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. |
Complexitydifferent | Low | High | High |
Timedifferent | 30–60 min per interview | 2-6 h | Mehrere Tage bis Wochen |
Participantsdifferent | 1 participant per interview | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Current Reality Tree, Core Problems, Intervention Ideas | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | QualitativeResearchCustomerDiscovery | Systems thinkingRoot causeConstraintsCausality | Root causeSafetySystemicIncident |
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