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| Criterion |  UX Research Surveys |  Growth A/B Testing |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | Medium | High | High |
Timedifferent | 3-14 Tage | 1-4 Wochen | Mehrere Tage bis Wochen |
Participantsdifferent | 50+ | 1-6 | 2-6 |
Formatdifferent | Async | Async | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Experiment results, Decision log, Learning summary | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | QuantitativeResearchValidation | ExperimentsGrowthAnalyticsValidation | Root causeSafetySystemicIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
