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| Criterion |  Decision Making Delphi Method |  UX Research User Interviews |  Facilitation Decision Jam |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 30–60 min per interview | 60-90 min | 45-90 min |
Participantsdifferent | 6-30 Experten | 1 participant per interview | 4-10 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Interview Notes, Themes, Insight Summary | Problem Cluster, Prioritized Challenge, Experiment | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ForecastingExpertsDecisionStrategy | QualitativeResearchCustomerDiscovery | FacilitationDecisionProblem solvingWorkshop | AssumptionsRiskDecisionDiscovery |