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| Criterion |  UX Research User Interviews |  Product Strategy DIBB |  Business Strategy Business Model Stress Test |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 30–60 min per interview | 1-2 h | Half day | 45-60 min |
Participantsdifferent | 1 participant per interview | 2-8 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | DIBB document, Belief list, Bet list, Learning report | Stress Test Report, Action Plan per Scenario | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | QualitativeResearchCustomerDiscovery | StrategyDecisionAssumptionsHypothesis | StrategyBusiness modelRiskDiagnosis | AssumptionsRiskExperimentsValidation |