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| Criterion |  Product Strategy DIBB |  Decision Making Delphi Method |  UX Research Tree Testing |
|---|---|---|---|
Purposedifferent | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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 a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 1-2 h | 1-4 Wochen | 1-2 Tage |
Participantsdifferent | 2-8 | 6-30 Experten | Based on research question |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | DIBB document, Belief list, Bet list, Learning report | Expert Forecast, Consensus Range, Assumption Notes | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | StrategyDecisionAssumptionsHypothesis | ForecastingExpertsDecisionStrategy | Information architectureNavigationFindability |
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