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| Criterion |  UX Research User Interviews |  Product Strategy DIBB |  Operations Barrier Analysis |
|---|---|---|---|
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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30–60 min per interview | 1-2 h | 2-4 h |
Participantsdifferent | 1 participant per interview | 2-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | DIBB document, Belief list, Bet list, Learning report | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | QualitativeResearchCustomerDiscovery | StrategyDecisionAssumptionsHypothesis | Root causeSafetyIncident |
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