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| Criterion |  Decision Making Decision Matrix |  UX Research User Interviews |  Decision Making Delphi Method |
|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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 | Medium | Low | High |
Timedifferent | 45-90 min | 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 | Decision Matrix, Scoring Rationale, Selected Option | Interview Notes, Themes, Insight Summary | Expert Forecast, Consensus Range, Assumption Notes |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | QualitativeResearchCustomerDiscovery | ForecastingExpertsDecisionStrategy |
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