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| Criterion |  UX Research User Interviews |  Decision Making Delphi Method |  Decision Making Decision Rights Mapping |  Product Strategy DIBB |
|---|---|---|---|---|
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. | 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | Low | High | Medium | Low |
Timedifferent | 30–60 min per interview | 1-4 Wochen | 90-180 min | 1-2 h |
Participantsdifferent | 1 participant per interview | 6-30 Experten | 4-12 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Expert Forecast, Consensus Range, Assumption Notes | Decision Rights Matrix, Agreement | DIBB document, Belief list, Bet list, Learning report |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ForecastingExpertsDecisionStrategy | DecisionGovernanceAlignmentResponsibility | StrategyDecisionAssumptionsHypothesis |