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| Criterion |  Operations Standard Work Analysis |  Product Discovery Problem Interview |  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 the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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 |
Timedifferent | 1-3 h | 30-60 min je Interview | 1-4 h |
Participantsdifferent | 2-6 | 5-12 Interviews | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Problem Evidence, Risk Notes, Customer Segments | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LeanProcessQuality | DiscoveryInterviewsValidation | Root causeProblem solvingQualityIncident |
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