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| Criterion |  Operations Causal Factor Analysis |  UX Research User Interviews |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. | 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. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 2-6 h | 30–60 min per interview | 45-90 min |
Participantsdifferent | 3-10 | 1 participant per interview | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Interview Notes, Themes, Insight Summary | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | CausalityIncidentRoot causeTimeline | QualitativeResearchCustomerDiscovery | LeanProblem solvingCoachingOperations |
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