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| Criterion |  UX Research Card Sorting |  Decision Making Delphi Method |  Decision Making Trade-off Analysis |  Decision Making Decision Matrix |
|---|---|---|---|---|
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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | 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. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 20-45 min | 1-4 Wochen | 45-120 min | 45-90 min |
Participantsdifferent | Based on research question | 6-30 Experten | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Expert Forecast, Consensus Range, Assumption Notes | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | Information architectureNavigationStructure | ForecastingExpertsDecisionStrategy | TradeoffsDecisionCriteriaOptions | DecisionCriteriaScoringTradeoffs |