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| Criterion |  Operations Standard Work Analysis |  Product Discovery Problem Interview |  Operations Root Cause Tree 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 30-60 min je Interview | 1-3 h |
Participantsdifferent | 2-6 | 5-12 Interviews | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Problem Evidence, Risk Notes, Customer Segments | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | LeanProcessQuality | DiscoveryInterviewsValidation | Root causeTreeIncidentQuality |
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