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| Criterion |  Decision Making Delphi Method |  UX Research Affinity Diagramming |  UX Research User Interviews |  UX Research Empathy Mapping |
|---|---|---|---|---|
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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 45–90 min | 30–60 min per interview | 30–60 min |
Participantsdifferent | 6-30 Experten | 3-10 | 1 participant per interview | 4-8 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Theme clusters, Insight statements, Opportunity areas | Interview Notes, Themes, Insight Summary | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | ForecastingExpertsDecisionStrategy | SynthesisQualitativeRoot cause | QualitativeResearchCustomerDiscovery | SynthesisQualitativeWorkshop |