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| Criterion |  Product Strategy DIBB |  UX Research User Interviews |  Decision Making Delphi Method |
|---|---|---|---|
Purposedifferent | 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. | 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 knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. |
Complexitydifferent | Low | Low | High |
Timedifferent | 1-2 h | 30–60 min per interview | 1-4 Wochen |
Participantsdifferent | 2-8 | 1 participant per interview | 6-30 Experten |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | DIBB document, Belief list, Bet list, Learning report | Interview Notes, Themes, Insight Summary | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | StrategyDecisionAssumptionsHypothesis | QualitativeResearchCustomerDiscovery | ForecastingExpertsDecisionStrategy |
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