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| Criterion |  UX Research Card Sorting |  Decision Making Delphi Method |  Decision Making Decision Tree |
|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 20-45 min | 1-4 Wochen | 30-90 min |
Participantsdifferent | Based on research question | 6-30 Experten | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Expert Forecast, Consensus Range, Assumption Notes | Decision Tree, Option Map, Assumption List |
Tagsno overlap | Information architectureNavigationStructure | ForecastingExpertsDecisionStrategy | DecisionTreeOptions |
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