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| Criterion |  Operations Process Mapping |  UX Research User Interviews |  Product Discovery Opportunity Interview |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 h | 30–60 min per interview | 30-60 min je Interview | 30-120 min |
Participantsdifferent | 3-10 | 1 participant per interview | 5-12 Interviews | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes | Observation Notes, Improvement Ideas |
Tagsno overlap | ProcessOperationsImprovement | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer | LeanObservationProcessOperations |