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| Criterion |  Product Discovery Opportunity Interview |  Knowledge Modeling IBIS |  Product Strategy DIBB |
|---|---|---|---|
Purposedifferent | 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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 1-3 h | 1-2 h |
Participantsdifferent | 5-12 Interviews | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Opportunity Themes, Customer Quotes | Issue Map, Positions, Argument Notes | DIBB document, Belief list, Bet list, Learning report |
Tagsno overlap | DiscoveryInterviewsOpportunityCustomer | RationaleKnowledgeDecision | StrategyDecisionAssumptionsHypothesis |
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