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| Criterion |  Operations Standard Work Analysis |  UX Research User Interviews |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 h | 30–60 min per interview | 1-4 h |
Participantsdifferent | 2-6 | 1 participant per interview | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Interview Notes, Themes, Insight Summary | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LeanProcessQuality | QualitativeResearchCustomerDiscovery | Root causeProblem solvingQualityIncident |
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