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| Criterion |  UX Research User Interviews |  Operations Root Cause Analysis |  Operations Eat the Frog |
|---|---|---|---|
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. | 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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 1-4 h | 15-90 min daily |
Participantsdifferent | 1 participant per interview | 3-8 | 1 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | QualitativeResearchCustomerDiscovery | Root causeProblem solvingQualityIncident | PrioritizationProductivityFocusExecution |
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