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| Criterion |  UX Research Surveys |  Operations A3 Problem Solving |  Operations Family Tree Analysis |  Operations Root Cause 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. | 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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 3-14 Tage | 45-90 min | 2-4 h | 1-4 h |
Participantsdifferent | 50+ | 2-5 | 2-6 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | A3 Report, Action Plan, Root Cause Analysis | Family Tree Diagram, Pattern Notes, Systemic Measures | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | QuantitativeResearchValidation | LeanProblem solvingCoachingOperations | Root causePatternsIncidentSystemic | Root causeProblem solvingQualityIncident |