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| Criterion |  UX Research User Interviews |  Operations A3 Problem Solving |  Decision Making Assumption Surfacing |
|---|---|---|---|
Purposedifferent | 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 complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 45-90 min | 45-90 min |
Participantsdifferent | 1 participant per interview | 2-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | A3 Report, Action Plan, Root Cause Analysis | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | LeanProblem solvingCoachingOperations | AssumptionsRiskDecisionDiscovery |
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