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| Criterion |  Operations Standard Work Analysis |  UX Research User Interviews |  Operations 5 Whys |
|---|---|---|---|
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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 h | 30–60 min per interview | 15-30 min |
Participantsdifferent | 2-6 | 1 participant per interview | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Interview Notes, Themes, Insight Summary | Root cause notes, Countermeasures |
Tagsno overlap | LeanProcessQuality | QualitativeResearchCustomerDiscovery | Root causeIncidentLeanProblem solving |
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